public class org.h2.util.CloseWatcher extends java.lang.ref.PhantomReference<java.lang.Object>
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.h2.util.CloseWatcher
super_class: java.lang.ref.PhantomReference
{
private static java.lang.ref.ReferenceQueue<java.lang.Object> queue;
descriptor: Ljava/lang/ref/ReferenceQueue;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Signature: Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;
private static java.util.Set<org.h2.util.CloseWatcher> refs;
descriptor: Ljava/util/Set;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Signature: Ljava/util/Set<Lorg/h2/util/CloseWatcher;>;
private java.lang.String openStackTrace;
descriptor: Ljava/lang/String;
flags: (0x0002) ACC_PRIVATE
private java.io.Closeable closeable;
descriptor: Ljava/io/Closeable;
flags: (0x0002) ACC_PRIVATE
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: new java.lang.ref.ReferenceQueue
dup
invokespecial java.lang.ref.ReferenceQueue.<init>:()V
putstatic org.h2.util.CloseWatcher.queue:Ljava/lang/ref/ReferenceQueue;
1: invokestatic org.h2.util.CloseWatcher.createSet:()Ljava/util/Set;
putstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
return
LocalVariableTable:
Start End Slot Name Signature
public void <init>(, java.lang.ref.ReferenceQueue<java.lang.Object>, java.io.Closeable);
descriptor: (Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;Ljava/io/Closeable;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
aload 2
invokespecial java.lang.ref.PhantomReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
1: aload 0
aload 3
putfield org.h2.util.CloseWatcher.closeable:Ljava/io/Closeable;
2: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lorg/h2/util/CloseWatcher;
0 3 1 referent Ljava/lang/Object;
0 3 2 q Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;
0 3 3 closeable Ljava/io/Closeable;
Signature: (Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;Ljava/io/Closeable;)V
MethodParameters:
Name Flags
referent
q
closeable
private static java.util.Set<org.h2.util.CloseWatcher> createSet();
descriptor: ()Ljava/util/Set;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: new java.util.HashSet
dup
invokespecial java.util.HashSet.<init>:()V
invokestatic java.util.Collections.synchronizedSet:(Ljava/util/Set;)Ljava/util/Set;
areturn
LocalVariableTable:
Start End Slot Name Signature
Signature: ()Ljava/util/Set<Lorg/h2/util/CloseWatcher;>;
public static org.h2.util.CloseWatcher pollUnclosed();
descriptor: ()Lorg/h2/util/CloseWatcher;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=0
0: getstatic org.h2.util.CloseWatcher.queue:Ljava/lang/ref/ReferenceQueue;
astore 0
start local 0 1: aload 0
ifnonnull 3
2: aconst_null
areturn
3: StackMap locals: java.lang.ref.ReferenceQueue
StackMap stack:
aload 0
invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
checkcast org.h2.util.CloseWatcher
astore 1
start local 1 4: aload 1
ifnonnull 6
5: aconst_null
areturn
6: StackMap locals: org.h2.util.CloseWatcher
StackMap stack:
getstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
ifnull 8
7: getstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
aload 1
invokeinterface java.util.Set.remove:(Ljava/lang/Object;)Z
pop
8: StackMap locals:
StackMap stack:
aload 1
getfield org.h2.util.CloseWatcher.closeable:Ljava/io/Closeable;
ifnull 3
9: aload 1
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
1 10 0 q Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;
4 10 1 cw Lorg/h2/util/CloseWatcher;
public static org.h2.util.CloseWatcher register(java.lang.Object, java.io.Closeable, boolean);
descriptor: (Ljava/lang/Object;Ljava/io/Closeable;Z)Lorg/h2/util/CloseWatcher;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=5, locals=7, args_size=3
start local 0 start local 1 start local 2 0: getstatic org.h2.util.CloseWatcher.queue:Ljava/lang/ref/ReferenceQueue;
astore 3
start local 3 1: aload 3
ifnonnull 4
2: new java.lang.ref.ReferenceQueue
dup
invokespecial java.lang.ref.ReferenceQueue.<init>:()V
astore 3
3: aload 3
putstatic org.h2.util.CloseWatcher.queue:Ljava/lang/ref/ReferenceQueue;
4: StackMap locals: java.lang.ref.ReferenceQueue
StackMap stack:
new org.h2.util.CloseWatcher
dup
aload 0
aload 3
aload 1
invokespecial org.h2.util.CloseWatcher.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;Ljava/io/Closeable;)V
astore 4
start local 4 5: iload 2
ifeq 10
6: new java.lang.Exception
dup
ldc "Open Stack Trace"
invokespecial java.lang.Exception.<init>:(Ljava/lang/String;)V
astore 5
start local 5 7: new java.io.StringWriter
dup
invokespecial java.io.StringWriter.<init>:()V
astore 6
start local 6 8: aload 5
new java.io.PrintWriter
dup
aload 6
invokespecial java.io.PrintWriter.<init>:(Ljava/io/Writer;)V
invokevirtual java.lang.Exception.printStackTrace:(Ljava/io/PrintWriter;)V
9: aload 4
aload 6
invokevirtual java.io.StringWriter.toString:()Ljava/lang/String;
putfield org.h2.util.CloseWatcher.openStackTrace:Ljava/lang/String;
end local 6 end local 5 10: StackMap locals: org.h2.util.CloseWatcher
StackMap stack:
getstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
ifnonnull 12
11: invokestatic org.h2.util.CloseWatcher.createSet:()Ljava/util/Set;
putstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
12: StackMap locals:
StackMap stack:
getstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
aload 4
invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
pop
13: aload 4
areturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 14 0 o Ljava/lang/Object;
0 14 1 closeable Ljava/io/Closeable;
0 14 2 stackTrace Z
1 14 3 q Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;
5 14 4 cw Lorg/h2/util/CloseWatcher;
7 10 5 e Ljava/lang/Exception;
8 10 6 s Ljava/io/StringWriter;
MethodParameters:
Name Flags
o
closeable
stackTrace
public static void unregister(org.h2.util.CloseWatcher);
descriptor: (Lorg/h2/util/CloseWatcher;)V
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
aconst_null
putfield org.h2.util.CloseWatcher.closeable:Ljava/io/Closeable;
1: getstatic org.h2.util.CloseWatcher.refs:Ljava/util/Set;
aload 0
invokeinterface java.util.Set.remove:(Ljava/lang/Object;)Z
pop
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 w Lorg/h2/util/CloseWatcher;
MethodParameters:
Name Flags
w
public java.lang.String getOpenStackTrace();
descriptor: ()Ljava/lang/String;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.h2.util.CloseWatcher.openStackTrace:Ljava/lang/String;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/util/CloseWatcher;
public java.io.Closeable getCloseable();
descriptor: ()Ljava/io/Closeable;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.h2.util.CloseWatcher.closeable:Ljava/io/Closeable;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/util/CloseWatcher;
}
Signature: Ljava/lang/ref/PhantomReference<Ljava/lang/Object;>;
SourceFile: "CloseWatcher.java"