public class java.util.concurrent.ConcurrentHashMap<K, V> extends java.util.AbstractMap<K, V> implements java.util.concurrent.ConcurrentMap<K, V>, java.io.Serializable
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.util.concurrent.ConcurrentHashMap
super_class: java.util.AbstractMap
{
private static final long serialVersionUID;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 7249069246763182397
static final int DEFAULT_INITIAL_CAPACITY;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 16
static final float DEFAULT_LOAD_FACTOR;
descriptor: F
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 0.75
static final int DEFAULT_CONCURRENCY_LEVEL;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 16
static final int MAXIMUM_CAPACITY;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 1073741824
static final int MIN_SEGMENT_TABLE_CAPACITY;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 2
static final int MAX_SEGMENTS;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 65536
static final int RETRIES_BEFORE_LOCK;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 2
private final transient int hashSeed;
descriptor: I
flags: (0x0092) ACC_PRIVATE, ACC_FINAL, ACC_TRANSIENT
final int segmentMask;
descriptor: I
flags: (0x0010) ACC_FINAL
final int segmentShift;
descriptor: I
flags: (0x0010) ACC_FINAL
final java.util.concurrent.ConcurrentHashMap$Segment<K, V>[] segments;
descriptor: [Ljava/util/concurrent/ConcurrentHashMap$Segment;
flags: (0x0010) ACC_FINAL
Signature: [Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
transient java.util.Set<K> keySet;
descriptor: Ljava/util/Set;
flags: (0x0080) ACC_TRANSIENT
Signature: Ljava/util/Set<TK;>;
transient java.util.Set<java.util.Map$Entry<K, V>> entrySet;
descriptor: Ljava/util/Set;
flags: (0x0080) ACC_TRANSIENT
Signature: Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;
transient java.util.Collection<V> values;
descriptor: Ljava/util/Collection;
flags: (0x0080) ACC_TRANSIENT
Signature: Ljava/util/Collection<TV;>;
private static final sun.misc.Unsafe UNSAFE;
descriptor: Lsun/misc/Unsafe;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final long SBASE;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final int SSHIFT;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final long TBASE;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final int TSHIFT;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final long HASHSEED_OFFSET;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final long SEGSHIFT_OFFSET;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final long SEGMASK_OFFSET;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final long SEGMENTS_OFFSET;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=3, locals=4, args_size=0
0: invokestatic sun.misc.Unsafe.getUnsafe:()Lsun/misc/Unsafe;
putstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
1: ldc [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 2
start local 2 2: ldc [Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 3
start local 3 3: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 2
invokevirtual sun.misc.Unsafe.arrayBaseOffset:(Ljava/lang/Class;)I
i2l
putstatic java.util.concurrent.ConcurrentHashMap.TBASE:J
4: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 3
invokevirtual sun.misc.Unsafe.arrayBaseOffset:(Ljava/lang/Class;)I
i2l
putstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
5: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 2
invokevirtual sun.misc.Unsafe.arrayIndexScale:(Ljava/lang/Class;)I
istore 1
start local 1 6: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 3
invokevirtual sun.misc.Unsafe.arrayIndexScale:(Ljava/lang/Class;)I
istore 0
start local 0 7: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
8: ldc Ljava/util/concurrent/ConcurrentHashMap;
ldc "hashSeed"
invokevirtual java.lang.Class.getDeclaredField:(Ljava/lang/String;)Ljava/lang/reflect/Field;
9: invokevirtual sun.misc.Unsafe.objectFieldOffset:(Ljava/lang/reflect/Field;)J
putstatic java.util.concurrent.ConcurrentHashMap.HASHSEED_OFFSET:J
10: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
11: ldc Ljava/util/concurrent/ConcurrentHashMap;
ldc "segmentShift"
invokevirtual java.lang.Class.getDeclaredField:(Ljava/lang/String;)Ljava/lang/reflect/Field;
12: invokevirtual sun.misc.Unsafe.objectFieldOffset:(Ljava/lang/reflect/Field;)J
putstatic java.util.concurrent.ConcurrentHashMap.SEGSHIFT_OFFSET:J
13: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
14: ldc Ljava/util/concurrent/ConcurrentHashMap;
ldc "segmentMask"
invokevirtual java.lang.Class.getDeclaredField:(Ljava/lang/String;)Ljava/lang/reflect/Field;
15: invokevirtual sun.misc.Unsafe.objectFieldOffset:(Ljava/lang/reflect/Field;)J
putstatic java.util.concurrent.ConcurrentHashMap.SEGMASK_OFFSET:J
16: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
17: ldc Ljava/util/concurrent/ConcurrentHashMap;
ldc "segments"
invokevirtual java.lang.Class.getDeclaredField:(Ljava/lang/String;)Ljava/lang/reflect/Field;
18: invokevirtual sun.misc.Unsafe.objectFieldOffset:(Ljava/lang/reflect/Field;)J
putstatic java.util.concurrent.ConcurrentHashMap.SEGMENTS_OFFSET:J
end local 3 end local 2 19: goto 22
end local 1 end local 0 StackMap locals:
StackMap stack: java.lang.Exception
20: astore 2
start local 2 21: new java.lang.Error
dup
aload 2
invokespecial java.lang.Error.<init>:(Ljava/lang/Throwable;)V
athrow
end local 2 start local 0 start local 1 22: StackMap locals: int int
StackMap stack:
iload 0
iload 0
iconst_1
isub
iand
ifne 23
iload 1
iload 1
iconst_1
isub
iand
ifeq 24
23: StackMap locals:
StackMap stack:
new java.lang.Error
dup
ldc "data type scale not a power of two"
invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
athrow
24: StackMap locals:
StackMap stack:
bipush 31
iload 0
invokestatic java.lang.Integer.numberOfLeadingZeros:(I)I
isub
putstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
25: bipush 31
iload 1
invokestatic java.lang.Integer.numberOfLeadingZeros:(I)I
isub
putstatic java.util.concurrent.ConcurrentHashMap.TSHIFT:I
end local 1 end local 0 26: return
LocalVariableTable:
Start End Slot Name Signature
7 20 0 ss I
22 26 0 ss I
6 20 1 ts I
22 26 1 ts I
2 19 2 tc Ljava/lang/Class;
3 19 3 sc Ljava/lang/Class;
21 22 2 e Ljava/lang/Exception;
Exception table:
from to target type
0 19 20 Class java.lang.Exception
private static int randomHashSeed(java.util.concurrent.ConcurrentHashMap);
descriptor: (Ljava/util/concurrent/ConcurrentHashMap;)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: invokestatic sun.misc.VM.isBooted:()Z
ifeq 2
getstatic java.util.concurrent.ConcurrentHashMap$Holder.ALTERNATIVE_HASHING:Z
ifeq 2
1: aload 0
invokestatic sun.misc.Hashing.randomHashSeed:(Ljava/lang/Object;)I
ireturn
2: StackMap locals:
StackMap stack:
iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 instance Ljava/util/concurrent/ConcurrentHashMap;
MethodParameters:
Name Flags
instance
static final <K, V> java.util.concurrent.ConcurrentHashMap$HashEntry<K, V> entryAt(java.util.concurrent.ConcurrentHashMap$HashEntry<K, V>[], int);
descriptor: ([Ljava/util/concurrent/ConcurrentHashMap$HashEntry;I)Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
flags: (0x0018) ACC_STATIC, ACC_FINAL
Code:
stack=6, locals=2, args_size=2
start local 0 start local 1 0: aload 0
ifnonnull 1
aconst_null
goto 4
1: StackMap locals:
StackMap stack:
getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
2: aload 0
iload 1
i2l
getstatic java.util.concurrent.ConcurrentHashMap.TSHIFT:I
lshl
getstatic java.util.concurrent.ConcurrentHashMap.TBASE:J
ladd
3: invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$HashEntry
4: StackMap locals:
StackMap stack: java.util.concurrent.ConcurrentHashMap$HashEntry
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
0 5 1 i I
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>([Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;I)Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
MethodParameters:
Name Flags
tab
i
static final <K, V> void setEntryAt(java.util.concurrent.ConcurrentHashMap$HashEntry<K, V>[], int, java.util.concurrent.ConcurrentHashMap$HashEntry<K, V>);
descriptor: ([Ljava/util/concurrent/ConcurrentHashMap$HashEntry;ILjava/util/concurrent/ConcurrentHashMap$HashEntry;)V
flags: (0x0018) ACC_STATIC, ACC_FINAL
Code:
stack=6, locals=3, args_size=3
start local 0 start local 1 start local 2 0: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
iload 1
i2l
getstatic java.util.concurrent.ConcurrentHashMap.TSHIFT:I
lshl
getstatic java.util.concurrent.ConcurrentHashMap.TBASE:J
ladd
aload 2
invokevirtual sun.misc.Unsafe.putOrderedObject:(Ljava/lang/Object;JLjava/lang/Object;)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
0 2 1 i I
0 2 2 e Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>([Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;ILjava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;)V
MethodParameters:
Name Flags
tab
i
e
private int hash(java.lang.Object);
descriptor: (Ljava/lang/Object;)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.hashSeed:I
istore 2
start local 2 1: iload 2
ifeq 3
aload 1
instanceof java.lang.String
ifeq 3
2: aload 1
checkcast java.lang.String
invokestatic sun.misc.Hashing.stringHash32:(Ljava/lang/String;)I
ireturn
3: StackMap locals: int
StackMap stack:
iload 2
aload 1
invokevirtual java.lang.Object.hashCode:()I
ixor
istore 2
4: iload 2
iload 2
bipush 15
ishl
sipush -12931
ixor
iadd
istore 2
5: iload 2
iload 2
bipush 10
iushr
ixor
istore 2
6: iload 2
iload 2
iconst_3
ishl
iadd
istore 2
7: iload 2
iload 2
bipush 6
iushr
ixor
istore 2
8: iload 2
iload 2
iconst_2
ishl
iload 2
bipush 14
ishl
iadd
iadd
istore 2
9: iload 2
iload 2
bipush 16
iushr
ixor
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 10 1 k Ljava/lang/Object;
1 10 2 h I
MethodParameters:
Name Flags
k
static final <K, V> java.util.concurrent.ConcurrentHashMap$Segment<K, V> segmentAt(java.util.concurrent.ConcurrentHashMap$Segment<K, V>[], int);
descriptor: ([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
flags: (0x0018) ACC_STATIC, ACC_FINAL
Code:
stack=4, locals=4, args_size=2
start local 0 start local 1 0: iload 1
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
lstore 2
start local 2 1: aload 0
ifnonnull 2
aconst_null
goto 3
2: StackMap locals: long
StackMap stack:
getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
lload 2
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
3: StackMap locals:
StackMap stack: java.util.concurrent.ConcurrentHashMap$Segment
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 ss [Ljava/util/concurrent/ConcurrentHashMap$Segment;
0 4 1 j I
1 4 2 u J
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>([Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;I)Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
MethodParameters:
Name Flags
ss
j
private java.util.concurrent.ConcurrentHashMap$Segment<K, V> ensureSegment(int);
descriptor: (I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
flags: (0x0002) ACC_PRIVATE
Code:
stack=7, locals=12, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 2
start local 2 1: iload 1
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
lstore 3
start local 3 2: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 2
lload 3
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 5
start local 5 3: ifnonnull 15
4: aload 2
iconst_0
aaload
astore 6
start local 6 5: aload 6
getfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
arraylength
istore 7
start local 7 6: aload 6
getfield java.util.concurrent.ConcurrentHashMap$Segment.loadFactor:F
fstore 8
start local 8 7: iload 7
i2f
fload 8
fmul
f2i
istore 9
start local 9 8: iload 7
anewarray java.util.concurrent.ConcurrentHashMap$HashEntry
astore 10
start local 10 9: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 2
lload 3
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 5
ifnonnull 15
10: new java.util.concurrent.ConcurrentHashMap$Segment
dup
fload 8
iload 9
aload 10
invokespecial java.util.concurrent.ConcurrentHashMap$Segment.<init>:(FI[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;)V
astore 11
start local 11 11: goto 14
12: StackMap locals: java.util.concurrent.ConcurrentHashMap int java.util.concurrent.ConcurrentHashMap$Segment[] long java.util.concurrent.ConcurrentHashMap$Segment java.util.concurrent.ConcurrentHashMap$Segment int float int java.util.concurrent.ConcurrentHashMap$HashEntry[] java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 2
lload 3
aconst_null
aload 11
dup
astore 5
invokevirtual sun.misc.Unsafe.compareAndSwapObject:(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
ifeq 14
13: goto 15
14: StackMap locals:
StackMap stack:
getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 2
lload 3
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 5
ifnull 12
end local 11 end local 10 end local 9 end local 8 end local 7 end local 6 15: StackMap locals: java.util.concurrent.ConcurrentHashMap int java.util.concurrent.ConcurrentHashMap$Segment[] long java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
aload 5
areturn
end local 5 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 16 1 k I
1 16 2 ss [Ljava/util/concurrent/ConcurrentHashMap$Segment;
2 16 3 u J
3 16 5 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
5 15 6 proto Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
6 15 7 cap I
7 15 8 lf F
8 15 9 threshold I
9 15 10 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
11 15 11 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
Signature: (I)Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
MethodParameters:
Name Flags
k
private java.util.concurrent.ConcurrentHashMap$Segment<K, V> segmentForHash(int);
descriptor: (I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=4, args_size=2
start local 0 start local 1 0: iload 1
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentShift:I
iushr
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentMask:I
iand
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
lstore 2
start local 2 1: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
lload 2
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 2 1 h I
1 2 2 u J
Signature: (I)Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
MethodParameters:
Name Flags
h
static final <K, V> java.util.concurrent.ConcurrentHashMap$HashEntry<K, V> entryForHash(java.util.concurrent.ConcurrentHashMap$Segment<K, V>, int);
descriptor: (Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
flags: (0x0018) ACC_STATIC, ACC_FINAL
Code:
stack=6, locals=3, args_size=2
start local 0 start local 1 0: aload 0
ifnull 2
aload 0
getfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
dup
astore 2
start local 2 1: ifnonnull 3
end local 2 StackMap locals:
StackMap stack:
2: aconst_null
goto 6
start local 2 3: StackMap locals: java.util.concurrent.ConcurrentHashMap$HashEntry[]
StackMap stack:
getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
4: aload 2
aload 2
arraylength
iconst_1
isub
iload 1
iand
i2l
getstatic java.util.concurrent.ConcurrentHashMap.TSHIFT:I
lshl
getstatic java.util.concurrent.ConcurrentHashMap.TBASE:J
ladd
5: invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$HashEntry
end local 2 6: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment int
StackMap stack: java.util.concurrent.ConcurrentHashMap$HashEntry
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
0 7 1 h I
1 2 2 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
3 6 2 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>(Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;I)Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
MethodParameters:
Name Flags
seg
h
public void <init>(int, float, int);
descriptor: (IFI)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=10, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokespecial java.util.AbstractMap.<init>:()V
1: aload 0
aload 0
invokestatic java.util.concurrent.ConcurrentHashMap.randomHashSeed:(Ljava/util/concurrent/ConcurrentHashMap;)I
putfield java.util.concurrent.ConcurrentHashMap.hashSeed:I
2: fload 2
fconst_0
fcmpl
ifle 3
iload 1
iflt 3
iload 3
ifgt 4
3: StackMap locals: java.util.concurrent.ConcurrentHashMap int float int
StackMap stack:
new java.lang.IllegalArgumentException
dup
invokespecial java.lang.IllegalArgumentException.<init>:()V
athrow
4: StackMap locals:
StackMap stack:
iload 3
ldc 65536
if_icmple 6
5: ldc 65536
istore 3
6: StackMap locals:
StackMap stack:
iconst_0
istore 4
start local 4 7: iconst_1
istore 5
start local 5 8: goto 11
9: StackMap locals: int int
StackMap stack:
iinc 4 1
10: iload 5
iconst_1
ishl
istore 5
11: StackMap locals:
StackMap stack:
iload 5
iload 3
if_icmplt 9
12: aload 0
bipush 32
iload 4
isub
putfield java.util.concurrent.ConcurrentHashMap.segmentShift:I
13: aload 0
iload 5
iconst_1
isub
putfield java.util.concurrent.ConcurrentHashMap.segmentMask:I
14: iload 1
ldc 1073741824
if_icmple 16
15: ldc 1073741824
istore 1
16: StackMap locals:
StackMap stack:
iload 1
iload 5
idiv
istore 6
start local 6 17: iload 6
iload 5
imul
iload 1
if_icmpge 19
18: iinc 6 1
19: StackMap locals: int
StackMap stack:
iconst_2
istore 7
start local 7 20: goto 22
21: StackMap locals: int
StackMap stack:
iload 7
iconst_1
ishl
istore 7
22: StackMap locals:
StackMap stack:
iload 7
iload 6
if_icmplt 21
23: new java.util.concurrent.ConcurrentHashMap$Segment
dup
fload 2
iload 7
i2f
fload 2
fmul
f2i
24: iload 7
anewarray java.util.concurrent.ConcurrentHashMap$HashEntry
25: invokespecial java.util.concurrent.ConcurrentHashMap$Segment.<init>:(FI[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;)V
26: astore 8
start local 8 27: iload 5
anewarray java.util.concurrent.ConcurrentHashMap$Segment
astore 9
start local 9 28: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 9
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
aload 8
invokevirtual sun.misc.Unsafe.putOrderedObject:(Ljava/lang/Object;JLjava/lang/Object;)V
29: aload 0
aload 9
putfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
30: return
end local 9 end local 8 end local 7 end local 6 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 31 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 31 1 initialCapacity I
0 31 2 loadFactor F
0 31 3 concurrencyLevel I
7 31 4 sshift I
8 31 5 ssize I
17 31 6 c I
20 31 7 cap I
27 31 8 s0 Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
28 31 9 ss [Ljava/util/concurrent/ConcurrentHashMap$Segment;
MethodParameters:
Name Flags
initialCapacity
loadFactor
concurrencyLevel
public void <init>(int, float);
descriptor: (IF)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
iload 1
fload 2
bipush 16
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:(IFI)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 2 1 initialCapacity I
0 2 2 loadFactor F
MethodParameters:
Name Flags
initialCapacity
loadFactor
public void <init>(int);
descriptor: (I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iload 1
ldc 0.75
bipush 16
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:(IFI)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 2 1 initialCapacity I
MethodParameters:
Name Flags
initialCapacity
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=1, args_size=1
start local 0 0: aload 0
bipush 16
ldc 0.75
bipush 16
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:(IFI)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
public void <init>(java.util.Map<? extends K, ? extends V>);
descriptor: (Ljava/util/Map;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokeinterface java.util.Map.size:()I
i2f
ldc 0.75
fdiv
f2i
iconst_1
iadd
1: bipush 16
2: invokestatic java.lang.Math.max:(II)I
3: ldc 0.75
bipush 16
invokespecial java.util.concurrent.ConcurrentHashMap.<init>:(IFI)V
4: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.putAll:(Ljava/util/Map;)V
5: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 6 1 m Ljava/util/Map<+TK;+TV;>;
Signature: (Ljava/util/Map<+TK;+TV;>;)V
MethodParameters:
Name Flags
m
public boolean isEmpty();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=6, args_size=1
start local 0 0: lconst_0
lstore 1
start local 1 1: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 3
start local 3 2: iconst_0
istore 4
start local 4 3: goto 10
4: StackMap locals: long java.util.concurrent.ConcurrentHashMap$Segment[] int
StackMap stack:
aload 3
iload 4
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 5
start local 5 5: aload 5
ifnull 9
6: aload 5
getfield java.util.concurrent.ConcurrentHashMap$Segment.count:I
ifeq 8
7: iconst_0
ireturn
8: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
lload 1
aload 5
getfield java.util.concurrent.ConcurrentHashMap$Segment.modCount:I
i2l
ladd
lstore 1
end local 5 9: StackMap locals:
StackMap stack:
iinc 4 1
StackMap locals:
StackMap stack:
10: iload 4
aload 3
arraylength
if_icmplt 4
end local 4 11: lload 1
lconst_0
lcmp
ifeq 23
12: iconst_0
istore 4
start local 4 13: goto 20
14: StackMap locals:
StackMap stack:
aload 3
iload 4
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 5
start local 5 15: aload 5
ifnull 19
16: aload 5
getfield java.util.concurrent.ConcurrentHashMap$Segment.count:I
ifeq 18
17: iconst_0
ireturn
18: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
lload 1
aload 5
getfield java.util.concurrent.ConcurrentHashMap$Segment.modCount:I
i2l
lsub
lstore 1
end local 5 19: StackMap locals:
StackMap stack:
iinc 4 1
StackMap locals:
StackMap stack:
20: iload 4
aload 3
arraylength
if_icmplt 14
end local 4 21: lload 1
lconst_0
lcmp
ifeq 23
22: iconst_0
ireturn
23: StackMap locals:
StackMap stack:
iconst_1
ireturn
end local 3 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 24 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
1 24 1 sum J
2 24 3 segments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
3 11 4 j I
5 9 5 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
13 21 4 j I
15 19 5 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
public int size();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=14, args_size=1
start local 0 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 1
start local 1 1: lconst_0
lstore 6
start local 6 2: iconst_m1
istore 8
start local 8 3: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] top top top top long int
StackMap stack:
iload 8
iinc 8 1
iconst_2
if_icmpne 9
4: iconst_0
istore 9
start local 9 5: goto 8
6: StackMap locals: int
StackMap stack:
aload 0
iload 9
invokevirtual java.util.concurrent.ConcurrentHashMap.ensureSegment:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.lock:()V
7: iinc 9 1
StackMap locals:
StackMap stack:
8: iload 9
aload 1
arraylength
if_icmplt 6
end local 9 9: StackMap locals:
StackMap stack:
lconst_0
lstore 4
start local 4 10: iconst_0
istore 2
start local 2 11: iconst_0
istore 3
start local 3 12: iconst_0
istore 9
start local 9 13: goto 21
14: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] int int long long int int
StackMap stack:
aload 1
iload 9
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 10
start local 10 15: aload 10
ifnull 20
16: lload 4
aload 10
getfield java.util.concurrent.ConcurrentHashMap$Segment.modCount:I
i2l
ladd
lstore 4
17: aload 10
getfield java.util.concurrent.ConcurrentHashMap$Segment.count:I
istore 11
start local 11 18: iload 11
iflt 19
iload 2
iload 11
iadd
dup
istore 2
ifge 20
19: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment int
StackMap stack:
iconst_1
istore 3
end local 11 end local 10 20: StackMap locals:
StackMap stack:
iinc 9 1
StackMap locals:
StackMap stack:
21: iload 9
aload 1
arraylength
if_icmplt 14
end local 9 22: lload 4
lload 6
lcmp
ifne 24
23: goto 34
24: StackMap locals:
StackMap stack:
lload 4
lstore 6
end local 4 end local 3 end local 2 25: goto 3
26: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] top top top top long int
StackMap stack: java.lang.Throwable
astore 12
27: iload 8
iconst_2
if_icmple 33
28: iconst_0
istore 13
start local 13 29: goto 32
30: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] top top top top long int top top top java.lang.Throwable int
StackMap stack:
aload 1
iload 13
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.unlock:()V
31: iinc 13 1
StackMap locals:
StackMap stack:
32: iload 13
aload 1
arraylength
if_icmplt 30
end local 13 33: StackMap locals:
StackMap stack:
aload 12
athrow
start local 2 start local 3 start local 4 34: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] int int long long int
StackMap stack:
iload 8
iconst_2
if_icmple 40
35: iconst_0
istore 13
start local 13 36: goto 39
37: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] int int long long int top top top top int
StackMap stack:
aload 1
iload 13
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.unlock:()V
38: iinc 13 1
StackMap locals:
StackMap stack:
39: iload 13
aload 1
arraylength
if_icmplt 37
end local 13 40: StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.concurrent.ConcurrentHashMap$Segment[] int int long long int
StackMap stack:
iload 3
ifeq 41
ldc 2147483647
goto 42
StackMap locals:
StackMap stack:
41: iload 2
StackMap locals:
StackMap stack: int
42: ireturn
end local 8 end local 6 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 43 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
1 43 1 segments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
11 25 2 size I
34 43 2 size I
12 25 3 overflow Z
34 43 3 overflow Z
10 25 4 sum J
34 43 4 sum J
2 43 6 last J
3 43 8 retries I
5 9 9 j I
13 22 9 j I
15 20 10 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
18 20 11 c I
29 33 13 j I
36 40 13 j I
Exception table:
from to target type
3 26 26 any
public V get();
descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=9, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 4
start local 4 1: iload 4
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentShift:I
iushr
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentMask:I
iand
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
lstore 5
start local 5 2: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
lload 5
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 2
start local 2 3: ifnull 15
4: aload 2
getfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
dup
astore 3
start local 3 5: ifnull 15
6: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
7: aload 3
aload 3
arraylength
iconst_1
isub
iload 4
iand
i2l
getstatic java.util.concurrent.ConcurrentHashMap.TSHIFT:I
lshl
getstatic java.util.concurrent.ConcurrentHashMap.TBASE:J
ladd
8: invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$HashEntry
astore 7
start local 7 9: goto 14
10: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment java.util.concurrent.ConcurrentHashMap$HashEntry[] int long java.util.concurrent.ConcurrentHashMap$HashEntry
StackMap stack:
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.key:Ljava/lang/Object;
dup
astore 8
start local 8 11: aload 1
if_acmpeq 12
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.hash:I
iload 4
if_icmpne 13
aload 1
aload 8
invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
ifeq 13
12: StackMap locals: java.lang.Object
StackMap stack:
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.value:Ljava/lang/Object;
areturn
end local 8 13: StackMap locals:
StackMap stack:
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.next:Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 7
StackMap locals:
StackMap stack:
14: aload 7
ifnonnull 10
end local 7 end local 3 15: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment top int long
StackMap stack:
aconst_null
areturn
end local 5 end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 16 1 key Ljava/lang/Object;
3 16 2 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
5 15 3 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
1 16 4 h I
2 16 5 u J
9 15 7 e Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
11 13 8 k TK;
Signature: (Ljava/lang/Object;)TV;
MethodParameters:
Name Flags
key
public boolean containsKey(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=9, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 4
start local 4 1: iload 4
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentShift:I
iushr
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentMask:I
iand
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
lstore 5
start local 5 2: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
lload 5
invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 2
start local 2 3: ifnull 15
4: aload 2
getfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
dup
astore 3
start local 3 5: ifnull 15
6: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
7: aload 3
aload 3
arraylength
iconst_1
isub
iload 4
iand
i2l
getstatic java.util.concurrent.ConcurrentHashMap.TSHIFT:I
lshl
getstatic java.util.concurrent.ConcurrentHashMap.TBASE:J
ladd
8: invokevirtual sun.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$HashEntry
astore 7
start local 7 9: goto 14
10: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment java.util.concurrent.ConcurrentHashMap$HashEntry[] int long java.util.concurrent.ConcurrentHashMap$HashEntry
StackMap stack:
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.key:Ljava/lang/Object;
dup
astore 8
start local 8 11: aload 1
if_acmpeq 12
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.hash:I
iload 4
if_icmpne 13
aload 1
aload 8
invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
ifeq 13
12: StackMap locals: java.lang.Object
StackMap stack:
iconst_1
ireturn
end local 8 13: StackMap locals:
StackMap stack:
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.next:Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 7
StackMap locals:
StackMap stack:
14: aload 7
ifnonnull 10
end local 7 end local 3 15: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment top int long
StackMap stack:
iconst_0
ireturn
end local 5 end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 16 1 key Ljava/lang/Object;
3 16 2 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
5 15 3 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
1 16 4 h I
2 16 5 u J
9 15 7 e Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
11 13 8 k TK;
MethodParameters:
Name Flags
key
public boolean containsValue(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=16, args_size=2
start local 0 start local 1 0: aload 1
ifnonnull 2
1: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
2: StackMap locals:
StackMap stack:
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 2
start local 2 3: iconst_0
istore 3
start local 3 4: lconst_0
lstore 4
start local 4 5: iconst_m1
istore 6
start local 6 6: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment[] int long int
StackMap stack:
iload 6
iinc 6 1
iconst_2
if_icmpne 12
7: iconst_0
istore 7
start local 7 8: goto 11
9: StackMap locals: int
StackMap stack:
aload 0
iload 7
invokevirtual java.util.concurrent.ConcurrentHashMap.ensureSegment:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.lock:()V
10: iinc 7 1
StackMap locals:
StackMap stack:
11: iload 7
aload 2
arraylength
if_icmplt 9
end local 7 12: StackMap locals:
StackMap stack:
iconst_0
istore 7
start local 7 13: iconst_0
istore 8
start local 8 14: goto 32
15: StackMap locals: int int
StackMap stack:
aload 2
iload 8
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 10
start local 10 16: aload 10
ifnull 31
aload 10
getfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
dup
astore 9
start local 9 17: ifnull 31
18: iconst_0
istore 11
start local 11 19: goto 29
20: StackMap locals: java.util.concurrent.ConcurrentHashMap$HashEntry[] java.util.concurrent.ConcurrentHashMap$Segment int
StackMap stack:
aload 9
iload 11
invokestatic java.util.concurrent.ConcurrentHashMap.entryAt:([Ljava/util/concurrent/ConcurrentHashMap$HashEntry;I)Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 12
start local 12 21: goto 27
22: StackMap locals: java.util.concurrent.ConcurrentHashMap$HashEntry
StackMap stack:
aload 12
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.value:Ljava/lang/Object;
astore 13
start local 13 23: aload 13
ifnull 26
aload 1
aload 13
invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
ifeq 26
24: iconst_1
istore 3
25: goto 45
end local 13 26: StackMap locals:
StackMap stack:
aload 12
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.next:Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 12
StackMap locals:
StackMap stack:
27: aload 12
ifnonnull 22
end local 12 28: iinc 11 1
StackMap locals:
StackMap stack:
29: iload 11
aload 9
arraylength
if_icmplt 20
end local 11 30: iload 7
aload 10
getfield java.util.concurrent.ConcurrentHashMap$Segment.modCount:I
iadd
istore 7
end local 10 end local 9 31: StackMap locals:
StackMap stack:
iinc 8 1
StackMap locals:
StackMap stack:
32: iload 8
aload 2
arraylength
if_icmplt 15
end local 8 33: iload 6
ifle 35
iload 7
i2l
lload 4
lcmp
ifne 35
34: goto 45
35: StackMap locals:
StackMap stack:
iload 7
i2l
lstore 4
end local 7 36: goto 6
37: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment[] int long int
StackMap stack: java.lang.Throwable
astore 14
38: iload 6
iconst_2
if_icmple 44
39: iconst_0
istore 15
start local 15 40: goto 43
41: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment[] int long int top top top top top top top java.lang.Throwable int
StackMap stack:
aload 2
iload 15
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.unlock:()V
42: iinc 15 1
StackMap locals:
StackMap stack:
43: iload 15
aload 2
arraylength
if_icmplt 41
end local 15 44: StackMap locals:
StackMap stack:
aload 14
athrow
45: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment[] int long int
StackMap stack:
iload 6
iconst_2
if_icmple 51
46: iconst_0
istore 15
start local 15 47: goto 50
48: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment[] int long int top top top top top top top top int
StackMap stack:
aload 2
iload 15
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.unlock:()V
49: iinc 15 1
StackMap locals:
StackMap stack:
50: iload 15
aload 2
arraylength
if_icmplt 48
end local 15 51: StackMap locals: java.util.concurrent.ConcurrentHashMap java.lang.Object java.util.concurrent.ConcurrentHashMap$Segment[] int long int
StackMap stack:
iload 3
ireturn
end local 6 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 52 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 52 1 value Ljava/lang/Object;
3 52 2 segments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
4 52 3 found Z
5 52 4 last J
6 52 6 retries I
8 12 7 j I
13 36 7 sum I
14 33 8 j I
17 31 9 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
16 31 10 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
19 30 11 i I
21 28 12 e Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
23 26 13 v TV;
40 44 15 j I
47 51 15 j I
Exception table:
from to target type
6 37 37 any
MethodParameters:
Name Flags
value
public boolean contains(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.containsValue:(Ljava/lang/Object;)Z
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 1 1 value Ljava/lang/Object;
MethodParameters:
Name Flags
value
public V put(K, );
descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=6, args_size=3
start local 0 start local 1 start local 2 0: aload 2
ifnonnull 2
1: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
2: StackMap locals:
StackMap stack:
aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 4
start local 4 3: iload 4
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentShift:I
iushr
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentMask:I
iand
istore 5
start local 5 4: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
5: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
iload 5
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
6: invokevirtual sun.misc.Unsafe.getObject:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 3
start local 3 7: ifnonnull 9
8: aload 0
iload 5
invokevirtual java.util.concurrent.ConcurrentHashMap.ensureSegment:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 3
9: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment int int
StackMap stack:
aload 3
aload 1
iload 4
aload 2
iconst_0
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.put:(Ljava/lang/Object;ILjava/lang/Object;Z)Ljava/lang/Object;
areturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 10 1 key TK;
0 10 2 value TV;
7 10 3 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
3 10 4 hash I
4 10 5 j I
Signature: (TK;TV;)TV;
MethodParameters:
Name Flags
key
value
public V putIfAbsent(K, );
descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=6, args_size=3
start local 0 start local 1 start local 2 0: aload 2
ifnonnull 2
1: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
2: StackMap locals:
StackMap stack:
aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 4
start local 4 3: iload 4
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentShift:I
iushr
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segmentMask:I
iand
istore 5
start local 5 4: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
5: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
iload 5
getstatic java.util.concurrent.ConcurrentHashMap.SSHIFT:I
ishl
i2l
getstatic java.util.concurrent.ConcurrentHashMap.SBASE:J
ladd
6: invokevirtual sun.misc.Unsafe.getObject:(Ljava/lang/Object;J)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment
dup
astore 3
start local 3 7: ifnonnull 9
8: aload 0
iload 5
invokevirtual java.util.concurrent.ConcurrentHashMap.ensureSegment:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 3
9: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment int int
StackMap stack:
aload 3
aload 1
iload 4
aload 2
iconst_1
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.put:(Ljava/lang/Object;ILjava/lang/Object;Z)Ljava/lang/Object;
areturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 10 1 key TK;
0 10 2 value TV;
7 10 3 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
3 10 4 hash I
4 10 5 j I
Signature: (TK;TV;)TV;
MethodParameters:
Name Flags
key
value
public void putAll(java.util.Map<? extends K, ? extends V>);
descriptor: (Ljava/util/Map;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=4, args_size=2
start local 0 start local 1 0: aload 1
invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
astore 3
goto 3
StackMap locals: java.util.concurrent.ConcurrentHashMap java.util.Map top java.util.Iterator
StackMap stack:
1: aload 3
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
checkcast java.util.Map$Entry
astore 2
start local 2 2: aload 0
aload 2
invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
aload 2
invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
pop
end local 2 3: StackMap locals:
StackMap stack:
aload 3
invokeinterface java.util.Iterator.hasNext:()Z
ifne 1
4: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 5 1 m Ljava/util/Map<+TK;+TV;>;
2 3 2 e Ljava/util/Map$Entry<+TK;+TV;>;
Signature: (Ljava/util/Map<+TK;+TV;>;)V
MethodParameters:
Name Flags
m
public V remove();
descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=4, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 2
start local 2 1: aload 0
iload 2
invokevirtual java.util.concurrent.ConcurrentHashMap.segmentForHash:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 3
start local 3 2: aload 3
ifnonnull 3
aconst_null
goto 4
StackMap locals: int java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
3: aload 3
aload 1
iload 2
aconst_null
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.remove:(Ljava/lang/Object;ILjava/lang/Object;)Ljava/lang/Object;
StackMap locals:
StackMap stack: java.lang.Object
4: areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 5 1 key Ljava/lang/Object;
1 5 2 hash I
2 5 3 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
Signature: (Ljava/lang/Object;)TV;
MethodParameters:
Name Flags
key
public boolean remove(java.lang.Object, java.lang.Object);
descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=5, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 3
start local 3 1: aload 2
ifnull 5
aload 0
iload 3
invokevirtual java.util.concurrent.ConcurrentHashMap.segmentForHash:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
dup
astore 4
start local 4 2: ifnull 5
3: aload 4
aload 1
iload 3
aload 2
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.remove:(Ljava/lang/Object;ILjava/lang/Object;)Ljava/lang/Object;
ifnull 5
end local 4 4: iconst_1
ireturn
StackMap locals: int
StackMap stack:
5: iconst_0
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 6 1 key Ljava/lang/Object;
0 6 2 value Ljava/lang/Object;
1 6 3 hash I
2 4 4 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
MethodParameters:
Name Flags
key
value
public boolean replace(K, V, );
descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=6, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 4
start local 4 1: aload 2
ifnull 2
aload 3
ifnonnull 3
2: StackMap locals: int
StackMap stack:
new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
3: StackMap locals:
StackMap stack:
aload 0
iload 4
invokevirtual java.util.concurrent.ConcurrentHashMap.segmentForHash:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 5
start local 5 4: aload 5
ifnull 5
aload 5
aload 1
iload 4
aload 2
aload 3
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.replace:(Ljava/lang/Object;ILjava/lang/Object;Ljava/lang/Object;)Z
ifeq 5
iconst_1
ireturn
StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
5: iconst_0
ireturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 6 1 key TK;
0 6 2 oldValue TV;
0 6 3 newValue TV;
1 6 4 hash I
4 6 5 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
Signature: (TK;TV;TV;)Z
MethodParameters:
Name Flags
key
oldValue
newValue
public V replace(K, );
descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=5, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 1
invokevirtual java.util.concurrent.ConcurrentHashMap.hash:(Ljava/lang/Object;)I
istore 3
start local 3 1: aload 2
ifnonnull 3
2: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
3: StackMap locals: int
StackMap stack:
aload 0
iload 3
invokevirtual java.util.concurrent.ConcurrentHashMap.segmentForHash:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 4
start local 4 4: aload 4
ifnonnull 5
aconst_null
goto 6
StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack:
5: aload 4
aload 1
iload 3
aload 2
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.replace:(Ljava/lang/Object;ILjava/lang/Object;)Ljava/lang/Object;
StackMap locals:
StackMap stack: java.lang.Object
6: areturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 7 1 key TK;
0 7 2 value TV;
1 7 3 hash I
4 7 4 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
Signature: (TK;TV;)TV;
MethodParameters:
Name Flags
key
value
public void clear();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=4, args_size=1
start local 0 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 7
3: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment[] int
StackMap stack:
aload 1
iload 2
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 3
start local 3 4: aload 3
ifnull 6
5: aload 3
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.clear:()V
end local 3 6: StackMap locals:
StackMap stack:
iinc 2 1
StackMap locals:
StackMap stack:
7: iload 2
aload 1
arraylength
if_icmplt 3
end local 2 8: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
1 9 1 segments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
2 8 2 j I
4 6 3 s Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
public java.util.Set<K> keySet();
descriptor: ()Ljava/util/Set;
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.keySet:Ljava/util/Set;
astore 1
start local 1 1: aload 1
ifnull 2
aload 1
goto 3
StackMap locals: java.util.Set
StackMap stack:
2: aload 0
new java.util.concurrent.ConcurrentHashMap$KeySet
dup
aload 0
invokespecial java.util.concurrent.ConcurrentHashMap$KeySet.<init>:(Ljava/util/concurrent/ConcurrentHashMap;)V
dup_x1
putfield java.util.concurrent.ConcurrentHashMap.keySet:Ljava/util/Set;
StackMap locals:
StackMap stack: java.util.Set
3: areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
1 4 1 ks Ljava/util/Set<TK;>;
Signature: ()Ljava/util/Set<TK;>;
public java.util.Collection<V> values();
descriptor: ()Ljava/util/Collection;
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.values:Ljava/util/Collection;
astore 1
start local 1 1: aload 1
ifnull 2
aload 1
goto 3
StackMap locals: java.util.Collection
StackMap stack:
2: aload 0
new java.util.concurrent.ConcurrentHashMap$Values
dup
aload 0
invokespecial java.util.concurrent.ConcurrentHashMap$Values.<init>:(Ljava/util/concurrent/ConcurrentHashMap;)V
dup_x1
putfield java.util.concurrent.ConcurrentHashMap.values:Ljava/util/Collection;
StackMap locals:
StackMap stack: java.util.Collection
3: areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
1 4 1 vs Ljava/util/Collection<TV;>;
Signature: ()Ljava/util/Collection<TV;>;
public java.util.Set<java.util.Map$Entry<K, V>> entrySet();
descriptor: ()Ljava/util/Set;
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.concurrent.ConcurrentHashMap.entrySet:Ljava/util/Set;
astore 1
start local 1 1: aload 1
ifnull 2
aload 1
goto 3
StackMap locals: java.util.Set
StackMap stack:
2: aload 0
new java.util.concurrent.ConcurrentHashMap$EntrySet
dup
aload 0
invokespecial java.util.concurrent.ConcurrentHashMap$EntrySet.<init>:(Ljava/util/concurrent/ConcurrentHashMap;)V
dup_x1
putfield java.util.concurrent.ConcurrentHashMap.entrySet:Ljava/util/Set;
StackMap locals:
StackMap stack: java.util.Set
3: areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
1 4 1 es Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;
Signature: ()Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;
public java.util.Enumeration<K> keys();
descriptor: ()Ljava/util/Enumeration;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.util.concurrent.ConcurrentHashMap$KeyIterator
dup
aload 0
invokespecial java.util.concurrent.ConcurrentHashMap$KeyIterator.<init>:(Ljava/util/concurrent/ConcurrentHashMap;)V
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
Signature: ()Ljava/util/Enumeration<TK;>;
public java.util.Enumeration<V> elements();
descriptor: ()Ljava/util/Enumeration;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.util.concurrent.ConcurrentHashMap$ValueIterator
dup
aload 0
invokespecial java.util.concurrent.ConcurrentHashMap$ValueIterator.<init>:(Ljava/util/concurrent/ConcurrentHashMap;)V
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
Signature: ()Ljava/util/Enumeration<TV;>;
private void writeObject(java.io.ObjectOutputStream);
descriptor: (Ljava/io/ObjectOutputStream;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=9, args_size=2
start local 0 start local 1 0: iconst_0
istore 2
start local 2 1: goto 4
2: StackMap locals: int
StackMap stack:
aload 0
iload 2
invokevirtual java.util.concurrent.ConcurrentHashMap.ensureSegment:(I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
pop
3: iinc 2 1
StackMap locals:
StackMap stack:
4: iload 2
aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
arraylength
if_icmplt 2
end local 2 5: aload 1
invokevirtual java.io.ObjectOutputStream.defaultWriteObject:()V
6: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 2
start local 2 7: iconst_0
istore 3
start local 3 8: goto 28
9: StackMap locals: java.util.concurrent.ConcurrentHashMap java.io.ObjectOutputStream java.util.concurrent.ConcurrentHashMap$Segment[] int
StackMap stack:
aload 2
iload 3
invokestatic java.util.concurrent.ConcurrentHashMap.segmentAt:([Ljava/util/concurrent/ConcurrentHashMap$Segment;I)Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 4
start local 4 10: aload 4
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.lock:()V
11: aload 4
getfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 5
start local 5 12: iconst_0
istore 6
start local 6 13: goto 21
14: StackMap locals: java.util.concurrent.ConcurrentHashMap$Segment java.util.concurrent.ConcurrentHashMap$HashEntry[] int
StackMap stack:
aload 5
iload 6
invokestatic java.util.concurrent.ConcurrentHashMap.entryAt:([Ljava/util/concurrent/ConcurrentHashMap$HashEntry;I)Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 7
start local 7 15: goto 19
16: StackMap locals: java.util.concurrent.ConcurrentHashMap$HashEntry
StackMap stack:
aload 1
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.key:Ljava/lang/Object;
invokevirtual java.io.ObjectOutputStream.writeObject:(Ljava/lang/Object;)V
17: aload 1
aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.value:Ljava/lang/Object;
invokevirtual java.io.ObjectOutputStream.writeObject:(Ljava/lang/Object;)V
18: aload 7
getfield java.util.concurrent.ConcurrentHashMap$HashEntry.next:Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
astore 7
StackMap locals:
StackMap stack:
19: aload 7
ifnonnull 16
end local 7 20: iinc 6 1
StackMap locals:
StackMap stack:
21: iload 6
aload 5
arraylength
if_icmplt 14
end local 6 end local 5 22: goto 26
StackMap locals: java.util.concurrent.ConcurrentHashMap java.io.ObjectOutputStream java.util.concurrent.ConcurrentHashMap$Segment[] int java.util.concurrent.ConcurrentHashMap$Segment
StackMap stack: java.lang.Throwable
23: astore 8
24: aload 4
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.unlock:()V
25: aload 8
athrow
26: StackMap locals:
StackMap stack:
aload 4
invokevirtual java.util.concurrent.ConcurrentHashMap$Segment.unlock:()V
end local 4 27: iinc 3 1
StackMap locals:
StackMap stack:
28: iload 3
aload 2
arraylength
if_icmplt 9
end local 3 29: aload 1
aconst_null
invokevirtual java.io.ObjectOutputStream.writeObject:(Ljava/lang/Object;)V
30: aload 1
aconst_null
invokevirtual java.io.ObjectOutputStream.writeObject:(Ljava/lang/Object;)V
31: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 32 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 32 1 s Ljava/io/ObjectOutputStream;
1 5 2 k I
7 32 2 segments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
8 29 3 k I
10 27 4 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
12 22 5 tab [Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
13 22 6 i I
15 20 7 e Ljava/util/concurrent/ConcurrentHashMap$HashEntry<TK;TV;>;
Exception table:
from to target type
11 23 23 any
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
s
private void readObject(java.io.ObjectInputStream);
descriptor: (Ljava/io/ObjectInputStream;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=6, locals=11, args_size=2
start local 0 start local 1 0: aload 1
invokevirtual java.io.ObjectInputStream.readFields:()Ljava/io/ObjectInputStream$GetField;
astore 2
start local 2 1: aload 2
ldc "segments"
aconst_null
invokevirtual java.io.ObjectInputStream$GetField.get:(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.util.concurrent.ConcurrentHashMap$Segment[]
astore 3
start local 3 2: aload 3
arraylength
istore 4
start local 4 3: iload 4
iconst_1
if_icmplt 5
iload 4
ldc 65536
if_icmpgt 5
4: iload 4
iload 4
iconst_1
isub
iand
ifeq 8
5: StackMap locals: java.io.ObjectInputStream$GetField java.util.concurrent.ConcurrentHashMap$Segment[] int
StackMap stack:
new java.io.InvalidObjectException
dup
new java.lang.StringBuilder
dup
ldc "Bad number of segments:"
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
6: iload 4
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
7: invokespecial java.io.InvalidObjectException.<init>:(Ljava/lang/String;)V
athrow
8: StackMap locals:
StackMap stack:
iconst_0
istore 5
start local 5 9: iload 4
istore 6
start local 6 10: goto 13
11: StackMap locals: int int
StackMap stack:
iinc 5 1
12: iload 6
iconst_1
iushr
istore 6
13: StackMap locals:
StackMap stack:
iload 6
iconst_1
if_icmpgt 11
14: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getstatic java.util.concurrent.ConcurrentHashMap.SEGSHIFT_OFFSET:J
bipush 32
iload 5
isub
invokevirtual sun.misc.Unsafe.putIntVolatile:(Ljava/lang/Object;JI)V
15: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getstatic java.util.concurrent.ConcurrentHashMap.SEGMASK_OFFSET:J
iload 4
iconst_1
isub
invokevirtual sun.misc.Unsafe.putIntVolatile:(Ljava/lang/Object;JI)V
16: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getstatic java.util.concurrent.ConcurrentHashMap.SEGMENTS_OFFSET:J
aload 3
invokevirtual sun.misc.Unsafe.putObjectVolatile:(Ljava/lang/Object;JLjava/lang/Object;)V
17: getstatic java.util.concurrent.ConcurrentHashMap.UNSAFE:Lsun/misc/Unsafe;
aload 0
getstatic java.util.concurrent.ConcurrentHashMap.HASHSEED_OFFSET:J
aload 0
invokestatic java.util.concurrent.ConcurrentHashMap.randomHashSeed:(Ljava/util/concurrent/ConcurrentHashMap;)I
invokevirtual sun.misc.Unsafe.putIntVolatile:(Ljava/lang/Object;JI)V
18: iconst_2
istore 7
start local 7 19: aload 0
getfield java.util.concurrent.ConcurrentHashMap.segments:[Ljava/util/concurrent/ConcurrentHashMap$Segment;
astore 8
start local 8 20: iconst_0
istore 9
start local 9 21: goto 27
22: StackMap locals: int java.util.concurrent.ConcurrentHashMap$Segment[] int
StackMap stack:
aload 8
iload 9
aaload
astore 10
start local 10 23: aload 10
ifnull 26
24: aload 10
iload 7
i2f
aload 10
getfield java.util.concurrent.ConcurrentHashMap$Segment.loadFactor:F
fmul
f2i
putfield java.util.concurrent.ConcurrentHashMap$Segment.threshold:I
25: aload 10
iload 7
anewarray java.util.concurrent.ConcurrentHashMap$HashEntry
putfield java.util.concurrent.ConcurrentHashMap$Segment.table:[Ljava/util/concurrent/ConcurrentHashMap$HashEntry;
end local 10 26: StackMap locals:
StackMap stack:
iinc 9 1
StackMap locals:
StackMap stack:
27: iload 9
aload 8
arraylength
if_icmplt 22
end local 9 28: StackMap locals:
StackMap stack:
aload 1
invokevirtual java.io.ObjectInputStream.readObject:()Ljava/lang/Object;
astore 9
start local 9 29: aload 1
invokevirtual java.io.ObjectInputStream.readObject:()Ljava/lang/Object;
astore 10
start local 10 30: aload 9
ifnonnull 32
31: goto 34
32: StackMap locals: java.lang.Object java.lang.Object
StackMap stack:
aload 0
aload 9
aload 10
invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
pop
end local 10 end local 9 33: goto 28
34: StackMap locals:
StackMap stack:
return
end local 8 end local 7 end local 6 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 35 0 this Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;
0 35 1 s Ljava/io/ObjectInputStream;
1 35 2 oisFields Ljava/io/ObjectInputStream$GetField;
2 35 3 oisSegments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
3 35 4 ssize I
9 35 5 sshift I
10 35 6 ssizeTmp I
19 35 7 cap I
20 35 8 segments [Ljava/util/concurrent/ConcurrentHashMap$Segment;
21 28 9 k I
23 26 10 seg Ljava/util/concurrent/ConcurrentHashMap$Segment<TK;TV;>;
29 33 9 key TK;
30 33 10 value TV;
Exceptions:
throws java.io.IOException, java.lang.ClassNotFoundException
MethodParameters:
Name Flags
s
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/util/AbstractMap<TK;TV;>;Ljava/util/concurrent/ConcurrentMap<TK;TV;>;Ljava/io/Serializable;
SourceFile: "ConcurrentHashMap.java"
NestMembers:
java.util.concurrent.ConcurrentHashMap$EntryIterator java.util.concurrent.ConcurrentHashMap$EntrySet java.util.concurrent.ConcurrentHashMap$HashEntry java.util.concurrent.ConcurrentHashMap$HashIterator java.util.concurrent.ConcurrentHashMap$Holder java.util.concurrent.ConcurrentHashMap$KeyIterator java.util.concurrent.ConcurrentHashMap$KeySet java.util.concurrent.ConcurrentHashMap$Segment java.util.concurrent.ConcurrentHashMap$ValueIterator java.util.concurrent.ConcurrentHashMap$Values java.util.concurrent.ConcurrentHashMap$WriteThroughEntry
InnerClasses:
public abstract GetField = java.io.ObjectInputStream$GetField of java.io.ObjectInputStream
public abstract Entry = java.util.Map$Entry of java.util.Map
final EntryIterator = java.util.concurrent.ConcurrentHashMap$EntryIterator of java.util.concurrent.ConcurrentHashMap
final EntrySet = java.util.concurrent.ConcurrentHashMap$EntrySet of java.util.concurrent.ConcurrentHashMap
final HashEntry = java.util.concurrent.ConcurrentHashMap$HashEntry of java.util.concurrent.ConcurrentHashMap
abstract HashIterator = java.util.concurrent.ConcurrentHashMap$HashIterator of java.util.concurrent.ConcurrentHashMap
private Holder = java.util.concurrent.ConcurrentHashMap$Holder of java.util.concurrent.ConcurrentHashMap
final KeyIterator = java.util.concurrent.ConcurrentHashMap$KeyIterator of java.util.concurrent.ConcurrentHashMap
final KeySet = java.util.concurrent.ConcurrentHashMap$KeySet of java.util.concurrent.ConcurrentHashMap
final Segment = java.util.concurrent.ConcurrentHashMap$Segment of java.util.concurrent.ConcurrentHashMap
final ValueIterator = java.util.concurrent.ConcurrentHashMap$ValueIterator of java.util.concurrent.ConcurrentHashMap
final Values = java.util.concurrent.ConcurrentHashMap$Values of java.util.concurrent.ConcurrentHashMap
final WriteThroughEntry = java.util.concurrent.ConcurrentHashMap$WriteThroughEntry of java.util.concurrent.ConcurrentHashMap