public abstract class java.lang.ref.Reference<T>
minor version: 0
major version: 59
flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
this_class: java.lang.ref.Reference
super_class: java.lang.Object
{
private T referent;
descriptor: Ljava/lang/Object;
flags: (0x0002) ACC_PRIVATE
Signature: TT;
volatile java.lang.ref.ReferenceQueue<? super T> queue;
descriptor: Ljava/lang/ref/ReferenceQueue;
flags: (0x0040) ACC_VOLATILE
Signature: Ljava/lang/ref/ReferenceQueue<-TT;>;
volatile java.lang.ref.Reference next;
descriptor: Ljava/lang/ref/Reference;
flags: (0x0040) ACC_VOLATILE
private transient java.lang.ref.Reference<T> discovered;
descriptor: Ljava/lang/ref/Reference;
flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
Signature: Ljava/lang/ref/Reference<TT;>;
private static java.lang.ref.Reference$Lock lock;
descriptor: Ljava/lang/ref/Reference$Lock;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
private static java.lang.ref.Reference<java.lang.Object> pending;
descriptor: Ljava/lang/ref/Reference;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Signature: Ljava/lang/ref/Reference<Ljava/lang/Object;>;
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=4, locals=2, args_size=0
0: new java.lang.ref.Reference$Lock
dup
invokespecial java.lang.ref.Reference$Lock.<init>:()V
putstatic java.lang.ref.Reference.lock:Ljava/lang/ref/Reference$Lock;
1: aconst_null
putstatic java.lang.ref.Reference.pending:Ljava/lang/ref/Reference;
2: invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
invokevirtual java.lang.Thread.getThreadGroup:()Ljava/lang/ThreadGroup;
astore 0
start local 0 3: aload 0
astore 1
start local 1 4: goto 6
5: StackMap locals: java.lang.ThreadGroup java.lang.ThreadGroup
StackMap stack:
aload 1
astore 0
aload 0
invokevirtual java.lang.ThreadGroup.getParent:()Ljava/lang/ThreadGroup;
astore 1
6: StackMap locals:
StackMap stack:
aload 1
ifnonnull 5
end local 1 7: new java.lang.ref.Reference$ReferenceHandler
dup
aload 0
ldc "Reference Handler"
invokespecial java.lang.ref.Reference$ReferenceHandler.<init>:(Ljava/lang/ThreadGroup;Ljava/lang/String;)V
astore 1
start local 1 8: aload 1
bipush 10
invokevirtual java.lang.Thread.setPriority:(I)V
9: aload 1
iconst_1
invokevirtual java.lang.Thread.setDaemon:(Z)V
10: aload 1
invokevirtual java.lang.Thread.start:()V
11: new java.lang.ref.Reference$1
dup
invokespecial java.lang.ref.Reference$1.<init>:()V
invokestatic sun.misc.SharedSecrets.setJavaLangRefAccess:(Lsun/misc/JavaLangRefAccess;)V
end local 1 end local 0 12: return
LocalVariableTable:
Start End Slot Name Signature
3 12 0 tg Ljava/lang/ThreadGroup;
4 7 1 tgn Ljava/lang/ThreadGroup;
8 12 1 handler Ljava/lang/Thread;
static boolean tryHandlePending(boolean);
descriptor: (Z)Z
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=4, args_size=1
start local 0 0: getstatic java.lang.ref.Reference.lock:Ljava/lang/ref/Reference$Lock;
dup
astore 3
monitorenter
1: getstatic java.lang.ref.Reference.pending:Ljava/lang/ref/Reference;
ifnull 9
2: getstatic java.lang.ref.Reference.pending:Ljava/lang/ref/Reference;
astore 1
start local 1 3: aload 1
instanceof sun.misc.Cleaner
ifeq 4
aload 1
checkcast sun.misc.Cleaner
goto 5
StackMap locals: int java.lang.ref.Reference top java.lang.ref.Reference$Lock
StackMap stack:
4: aconst_null
StackMap locals:
StackMap stack: sun.misc.Cleaner
5: astore 2
start local 2 6: aload 1
getfield java.lang.ref.Reference.discovered:Ljava/lang/ref/Reference;
putstatic java.lang.ref.Reference.pending:Ljava/lang/ref/Reference;
7: aload 1
aconst_null
putfield java.lang.ref.Reference.discovered:Ljava/lang/ref/Reference;
8: goto 13
end local 2 end local 1 9: StackMap locals: int top top java.lang.ref.Reference$Lock
StackMap stack:
iload 0
ifeq 11
10: getstatic java.lang.ref.Reference.lock:Ljava/lang/ref/Reference$Lock;
invokevirtual java.lang.Object.wait:()V
11: StackMap locals:
StackMap stack:
iload 0
aload 3
monitorexit
12: ireturn
start local 1 start local 2 13: StackMap locals: int java.lang.ref.Reference sun.misc.Cleaner java.lang.ref.Reference$Lock
StackMap stack:
aload 3
monitorexit
14: goto 22
end local 2 end local 1 StackMap locals: int top top java.lang.ref.Reference$Lock
StackMap stack: java.lang.Throwable
15: aload 3
monitorexit
16: athrow
17: StackMap locals: int
StackMap stack: java.lang.OutOfMemoryError
pop
18: invokestatic java.lang.Thread.yield:()V
19: iconst_1
ireturn
20: StackMap locals:
StackMap stack: java.lang.InterruptedException
pop
21: iconst_1
ireturn
start local 1 start local 2 22: StackMap locals: java.lang.ref.Reference sun.misc.Cleaner
StackMap stack:
aload 2
ifnull 25
23: aload 2
invokevirtual sun.misc.Cleaner.clean:()V
24: iconst_1
ireturn
25: StackMap locals:
StackMap stack:
aload 1
getfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
astore 3
start local 3 26: aload 3
getstatic java.lang.ref.ReferenceQueue.NULL:Ljava/lang/ref/ReferenceQueue;
if_acmpeq 27
aload 3
aload 1
invokevirtual java.lang.ref.ReferenceQueue.enqueue:(Ljava/lang/ref/Reference;)Z
pop
27: StackMap locals: java.lang.ref.ReferenceQueue
StackMap stack:
iconst_1
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 28 0 waitForNotify Z
3 9 1 r Ljava/lang/ref/Reference<Ljava/lang/Object;>;
13 15 1 r Ljava/lang/ref/Reference<Ljava/lang/Object;>;
22 28 1 r Ljava/lang/ref/Reference<Ljava/lang/Object;>;
6 9 2 c Lsun/misc/Cleaner;
13 15 2 c Lsun/misc/Cleaner;
22 28 2 c Lsun/misc/Cleaner;
26 28 3 q Ljava/lang/ref/ReferenceQueue<-Ljava/lang/Object;>;
Exception table:
from to target type
1 12 15 any
13 14 15 any
15 16 15 any
0 12 17 Class java.lang.OutOfMemoryError
13 17 17 Class java.lang.OutOfMemoryError
0 12 20 Class java.lang.InterruptedException
13 17 20 Class java.lang.InterruptedException
MethodParameters:
Name Flags
waitForNotify
public T get();
descriptor: ()Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield java.lang.ref.Reference.referent:Ljava/lang/Object;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/lang/ref/Reference<TT;>;
Signature: ()TT;
public void clear();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
aconst_null
putfield java.lang.ref.Reference.referent:Ljava/lang/Object;
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/lang/ref/Reference<TT;>;
public boolean isEnqueued();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
getstatic java.lang.ref.ReferenceQueue.ENQUEUED:Ljava/lang/ref/ReferenceQueue;
if_acmpne 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/lang/ref/Reference<TT;>;
public boolean enqueue();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
aload 0
invokevirtual java.lang.ref.ReferenceQueue.enqueue:(Ljava/lang/ref/Reference;)Z
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/lang/ref/Reference<TT;>;
void <init>();
descriptor: (Ljava/lang/Object;)V
flags: (0x0000)
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
aconst_null
invokespecial java.lang.ref.Reference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/lang/ref/Reference<TT;>;
0 2 1 referent TT;
Signature: (TT;)V
MethodParameters:
Name Flags
referent
void <init>(T, java.lang.ref.ReferenceQueue<? super T>);
descriptor: (Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
flags: (0x0000)
Code:
stack=2, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aload 1
putfield java.lang.ref.Reference.referent:Ljava/lang/Object;
2: aload 0
aload 2
ifnonnull 3
getstatic java.lang.ref.ReferenceQueue.NULL:Ljava/lang/ref/ReferenceQueue;
goto 4
StackMap locals: java.lang.ref.Reference java.lang.Object java.lang.ref.ReferenceQueue
StackMap stack: java.lang.ref.Reference
3: aload 2
StackMap locals: java.lang.ref.Reference java.lang.Object java.lang.ref.ReferenceQueue
StackMap stack: java.lang.ref.Reference java.lang.ref.ReferenceQueue
4: putfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
5: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/lang/ref/Reference<TT;>;
0 6 1 referent TT;
0 6 2 queue Ljava/lang/ref/ReferenceQueue<-TT;>;
Signature: (TT;Ljava/lang/ref/ReferenceQueue<-TT;>;)V
MethodParameters:
Name Flags
referent
queue
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Reference.java"
NestMembers:
java.lang.ref.Reference$1 java.lang.ref.Reference$Lock java.lang.ref.Reference$ReferenceHandler
InnerClasses:
java.lang.ref.Reference$1
private Lock = java.lang.ref.Reference$Lock of java.lang.ref.Reference
private ReferenceHandler = java.lang.ref.Reference$ReferenceHandler of java.lang.ref.Reference