public class org.h2.store.PageInputStream extends java.io.InputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.h2.store.PageInputStream
super_class: java.io.InputStream
{
private final org.h2.store.PageStore store;
descriptor: Lorg/h2/store/PageStore;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final org.h2.message.Trace trace;
descriptor: Lorg/h2/message/Trace;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final int firstTrunkPage;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final org.h2.store.PageStreamTrunk$Iterator trunkIterator;
descriptor: Lorg/h2/store/PageStreamTrunk$Iterator;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private int dataPage;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private org.h2.store.PageStreamTrunk trunk;
descriptor: Lorg/h2/store/PageStreamTrunk;
flags: (0x0002) ACC_PRIVATE
private int trunkIndex;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private org.h2.store.PageStreamData data;
descriptor: Lorg/h2/store/PageStreamData;
flags: (0x0002) ACC_PRIVATE
private int dataPos;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private boolean endOfFile;
descriptor: Z
flags: (0x0002) ACC_PRIVATE
private int remaining;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private final byte[] buffer;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private int logKey;
descriptor: I
flags: (0x0002) ACC_PRIVATE
void <init>(org.h2.store.PageStore, int, int, int);
descriptor: (Lorg/h2/store/PageStore;III)V
flags: (0x0000)
Code:
stack=5, locals=5, args_size=5
start local 0 start local 1 start local 2 start local 3 start local 4 0: aload 0
invokespecial java.io.InputStream.<init>:()V
1: aload 0
iconst_1
newarray 8
putfield org.h2.store.PageInputStream.buffer:[B
2: aload 0
aload 1
putfield org.h2.store.PageInputStream.store:Lorg/h2/store/PageStore;
3: aload 0
aload 1
invokevirtual org.h2.store.PageStore.getTrace:()Lorg/h2/message/Trace;
putfield org.h2.store.PageInputStream.trace:Lorg/h2/message/Trace;
4: aload 0
iload 2
iconst_1
isub
putfield org.h2.store.PageInputStream.logKey:I
5: aload 0
iload 3
putfield org.h2.store.PageInputStream.firstTrunkPage:I
6: aload 0
new org.h2.store.PageStreamTrunk$Iterator
dup
aload 1
iload 3
invokespecial org.h2.store.PageStreamTrunk$Iterator.<init>:(Lorg/h2/store/PageStore;I)V
putfield org.h2.store.PageInputStream.trunkIterator:Lorg/h2/store/PageStreamTrunk$Iterator;
7: aload 0
iload 4
putfield org.h2.store.PageInputStream.dataPage:I
8: return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lorg/h2/store/PageInputStream;
0 9 1 store Lorg/h2/store/PageStore;
0 9 2 logKey I
0 9 3 firstTrunkPage I
0 9 4 dataPage I
MethodParameters:
Name Flags
store
logKey
firstTrunkPage
dataPage
public int read();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
aload 0
getfield org.h2.store.PageInputStream.buffer:[B
invokevirtual org.h2.store.PageInputStream.read:([B)I
istore 1
start local 1 1: iload 1
ifge 2
iconst_m1
goto 3
StackMap locals: int
StackMap stack:
2: aload 0
getfield org.h2.store.PageInputStream.buffer:[B
iconst_0
baload
sipush 255
iand
StackMap locals:
StackMap stack: int
3: ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/h2/store/PageInputStream;
1 4 1 len I
Exceptions:
throws java.io.IOException
public int read(byte[]);
descriptor: ([B)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
iconst_0
aload 1
arraylength
invokevirtual org.h2.store.PageInputStream.read:([BII)I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/store/PageInputStream;
0 1 1 b [B
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
public int read(byte[], int, int);
descriptor: ([BII)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=6, args_size=4
start local 0 start local 1 start local 2 start local 3 0: iload 3
ifne 2
1: iconst_0
ireturn
2: StackMap locals:
StackMap stack:
iconst_0
istore 4
start local 4 3: goto 10
4: StackMap locals: int
StackMap stack:
aload 0
aload 1
iload 2
iload 3
invokevirtual org.h2.store.PageInputStream.readBlock:([BII)I
istore 5
start local 5 5: iload 5
ifge 7
6: goto 11
7: StackMap locals: int
StackMap stack:
iload 4
iload 5
iadd
istore 4
8: iload 2
iload 5
iadd
istore 2
9: iload 3
iload 5
isub
istore 3
end local 5 10: StackMap locals:
StackMap stack:
iload 3
ifgt 4
11: StackMap locals:
StackMap stack:
iload 4
ifne 12
iconst_m1
goto 13
StackMap locals:
StackMap stack:
12: iload 4
StackMap locals:
StackMap stack: int
13: ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 14 0 this Lorg/h2/store/PageInputStream;
0 14 1 b [B
0 14 2 off I
0 14 3 len I
3 14 4 read I
5 10 5 r I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
off
len
private int readBlock(byte[], int, int);
descriptor: ([BII)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokevirtual org.h2.store.PageInputStream.fillBuffer:()V
1: aload 0
getfield org.h2.store.PageInputStream.endOfFile:Z
ifeq 3
2: iconst_m1
ireturn
3: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.store.PageInputStream.remaining:I
iload 3
invokestatic java.lang.Math.min:(II)I
istore 4
start local 4 4: aload 0
getfield org.h2.store.PageInputStream.data:Lorg/h2/store/PageStreamData;
aload 0
getfield org.h2.store.PageInputStream.dataPos:I
aload 1
iload 2
iload 4
invokevirtual org.h2.store.PageStreamData.read:(I[BII)V
5: aload 0
dup
getfield org.h2.store.PageInputStream.remaining:I
iload 4
isub
putfield org.h2.store.PageInputStream.remaining:I
6: aload 0
dup
getfield org.h2.store.PageInputStream.dataPos:I
iload 4
iadd
putfield org.h2.store.PageInputStream.dataPos:I
7: iload 4
8: ireturn
end local 4 9: StackMap locals:
StackMap stack: org.h2.message.DbException
pop
10: new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lorg/h2/store/PageInputStream;
0 11 1 buff [B
0 11 2 off I
0 11 3 len I
4 9 4 l I
Exception table:
from to target type
0 2 9 Class org.h2.message.DbException
3 8 9 Class org.h2.message.DbException
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
buff
off
len
private void fillBuffer();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=3, args_size=1
start local 0 0: aload 0
getfield org.h2.store.PageInputStream.remaining:I
ifgt 1
aload 0
getfield org.h2.store.PageInputStream.endOfFile:Z
ifeq 2
1: StackMap locals:
StackMap stack:
return
2: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
ifnonnull 9
3: aload 0
aload 0
getfield org.h2.store.PageInputStream.trunkIterator:Lorg/h2/store/PageStreamTrunk$Iterator;
invokevirtual org.h2.store.PageStreamTrunk$Iterator.next:()Lorg/h2/store/PageStreamTrunk;
putfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
4: aload 0
iconst_0
putfield org.h2.store.PageInputStream.trunkIndex:I
5: aload 0
dup
getfield org.h2.store.PageInputStream.logKey:I
iconst_1
iadd
putfield org.h2.store.PageInputStream.logKey:I
6: aload 0
getfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
ifnull 7
aload 0
getfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
invokevirtual org.h2.store.PageStreamTrunk.getLogKey:()I
aload 0
getfield org.h2.store.PageInputStream.logKey:I
if_icmpeq 9
7: StackMap locals:
StackMap stack:
aload 0
iconst_1
putfield org.h2.store.PageInputStream.endOfFile:Z
8: return
9: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
ifnull 2
10: aload 0
getfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
aload 0
dup
getfield org.h2.store.PageInputStream.trunkIndex:I
dup_x1
iconst_1
iadd
putfield org.h2.store.PageInputStream.trunkIndex:I
invokevirtual org.h2.store.PageStreamTrunk.getPageData:(I)I
istore 1
start local 1 11: iload 1
iconst_m1
if_icmpne 14
12: aload 0
aconst_null
putfield org.h2.store.PageInputStream.trunk:Lorg/h2/store/PageStreamTrunk;
13: goto 2
StackMap locals: int
StackMap stack:
14: aload 0
getfield org.h2.store.PageInputStream.dataPage:I
iconst_m1
if_icmpeq 15
aload 0
getfield org.h2.store.PageInputStream.dataPage:I
iload 1
if_icmpne 2
15: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.store.PageInputStream.trace:Lorg/h2/message/Trace;
invokevirtual org.h2.message.Trace.isDebugEnabled:()Z
ifeq 17
16: aload 0
getfield org.h2.store.PageInputStream.trace:Lorg/h2/message/Trace;
new java.lang.StringBuilder
dup
ldc "pageIn.readPage "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 1
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual org.h2.message.Trace.debug:(Ljava/lang/String;)V
17: StackMap locals:
StackMap stack:
aload 0
iconst_m1
putfield org.h2.store.PageInputStream.dataPage:I
18: aload 0
aconst_null
putfield org.h2.store.PageInputStream.data:Lorg/h2/store/PageStreamData;
19: aload 0
getfield org.h2.store.PageInputStream.store:Lorg/h2/store/PageStore;
iload 1
invokevirtual org.h2.store.PageStore.getPage:(I)Lorg/h2/store/Page;
astore 2
start local 2 20: aload 2
instanceof org.h2.store.PageStreamData
ifeq 22
21: aload 0
aload 2
checkcast org.h2.store.PageStreamData
putfield org.h2.store.PageInputStream.data:Lorg/h2/store/PageStreamData;
22: StackMap locals: org.h2.store.Page
StackMap stack:
aload 0
getfield org.h2.store.PageInputStream.data:Lorg/h2/store/PageStreamData;
ifnull 23
aload 0
getfield org.h2.store.PageInputStream.data:Lorg/h2/store/PageStreamData;
invokevirtual org.h2.store.PageStreamData.getLogKey:()I
aload 0
getfield org.h2.store.PageInputStream.logKey:I
if_icmpeq 25
23: StackMap locals:
StackMap stack:
aload 0
iconst_1
putfield org.h2.store.PageInputStream.endOfFile:Z
24: return
25: StackMap locals:
StackMap stack:
aload 0
invokestatic org.h2.store.PageStreamData.getReadStart:()I
putfield org.h2.store.PageInputStream.dataPos:I
26: aload 0
aload 0
getfield org.h2.store.PageInputStream.store:Lorg/h2/store/PageStore;
invokevirtual org.h2.store.PageStore.getPageSize:()I
aload 0
getfield org.h2.store.PageInputStream.dataPos:I
isub
putfield org.h2.store.PageInputStream.remaining:I
27: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 28 0 this Lorg/h2/store/PageInputStream;
11 28 1 next I
20 28 2 p Lorg/h2/store/Page;
java.util.BitSet allocateAllPages();
descriptor: ()Ljava/util/BitSet;
flags: (0x0000)
Code:
stack=4, locals=7, args_size=1
start local 0 0: new java.util.BitSet
dup
invokespecial java.util.BitSet.<init>:()V
astore 1
start local 1 1: aload 0
getfield org.h2.store.PageInputStream.logKey:I
istore 2
start local 2 2: new org.h2.store.PageStreamTrunk$Iterator
dup
3: aload 0
getfield org.h2.store.PageInputStream.store:Lorg/h2/store/PageStore;
aload 0
getfield org.h2.store.PageInputStream.firstTrunkPage:I
4: invokespecial org.h2.store.PageStreamTrunk$Iterator.<init>:(Lorg/h2/store/PageStore;I)V
astore 3
start local 3 5: StackMap locals: java.util.BitSet int org.h2.store.PageStreamTrunk$Iterator
StackMap stack:
aload 3
invokevirtual org.h2.store.PageStreamTrunk$Iterator.next:()Lorg/h2/store/PageStreamTrunk;
astore 4
start local 4 6: iinc 2 1
7: aload 3
invokevirtual org.h2.store.PageStreamTrunk$Iterator.canDelete:()Z
ifeq 9
8: aload 0
getfield org.h2.store.PageInputStream.store:Lorg/h2/store/PageStore;
aload 3
invokevirtual org.h2.store.PageStreamTrunk$Iterator.getCurrentPageId:()I
invokevirtual org.h2.store.PageStore.allocatePage:(I)V
9: StackMap locals: org.h2.store.PageStreamTrunk
StackMap stack:
aload 4
ifnull 19
aload 4
invokevirtual org.h2.store.PageStreamTrunk.getLogKey:()I
iload 2
if_icmpeq 11
10: goto 19
11: StackMap locals:
StackMap stack:
aload 1
aload 4
invokevirtual org.h2.store.PageStreamTrunk.getPos:()I
invokevirtual java.util.BitSet.set:(I)V
12: iconst_0
istore 5
start local 5 13: StackMap locals: int
StackMap stack:
aload 4
iload 5
invokevirtual org.h2.store.PageStreamTrunk.getPageData:(I)I
istore 6
start local 6 14: iload 6
iconst_m1
if_icmpne 16
15: goto 5
16: StackMap locals: int
StackMap stack:
aload 1
iload 6
invokevirtual java.util.BitSet.set:(I)V
17: aload 0
getfield org.h2.store.PageInputStream.store:Lorg/h2/store/PageStore;
iload 6
invokevirtual org.h2.store.PageStore.allocatePage:(I)V
end local 6 18: iinc 5 1
goto 13
end local 5 end local 4 19: StackMap locals:
StackMap stack:
aload 1
areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 20 0 this Lorg/h2/store/PageInputStream;
1 20 1 pages Ljava/util/BitSet;
2 20 2 key I
5 20 3 it Lorg/h2/store/PageStreamTrunk$Iterator;
6 19 4 t Lorg/h2/store/PageStreamTrunk;
13 19 5 i I
14 18 6 n I
int getDataPage();
descriptor: ()I
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.h2.store.PageInputStream.data:Lorg/h2/store/PageStreamData;
invokevirtual org.h2.store.PageStreamData.getPos:()I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/store/PageInputStream;
public void close();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=0, locals=1, args_size=1
start local 0 0: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/store/PageInputStream;
}
SourceFile: "PageInputStream.java"
InnerClasses:
Iterator = org.h2.store.PageStreamTrunk$Iterator of org.h2.store.PageStreamTrunk