org.terracotta/statistics/2.1 : org/terracotta/context/WeakIdentityHashMap.class

WeakIdentityHashMap
https://github.com/Terracotta-OSS/statistics: A statistics framework used inside Ehcache and the Terracotta products
The Apache License, Version 2.0
Chris Dennis (Terracotta Inc., a wholly-owned subsidiary of Software AG USA, Inc.)
Chris Schanck (Terracotta Inc., a wholly-owned subsidiary of Software AG USA, Inc.)
Ludovic Orban (Terracotta Inc., a wholly-owned subsidiary of Software AG USA, Inc.)
public class org.terracotta.context.WeakIdentityHashMap<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.terracotta.context.WeakIdentityHashMap
  super_class: java.lang.Object
{
  private static final org.slf4j.Logger LOGGER;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.lang.ref.ReferenceQueue<K> referenceQueue;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/ref/ReferenceQueue<TK;>;

  private final java.util.concurrent.ConcurrentHashMap<java.lang.ref.Reference<K>, V> backing;
    descriptor: Ljava/util/concurrent/ConcurrentHashMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/ConcurrentHashMap<Ljava/lang/ref/Reference<TK;>;TV;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 28
            ldc Lorg/terracotta/context/WeakIdentityHashMap;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.terracotta.context.WeakIdentityHashMap.LOGGER:Lorg/slf4j/Logger;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.terracotta.context.WeakIdentityHashMap this
         0: .line 26
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 30
            aload 0 /* this */
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putfield org.terracotta.context.WeakIdentityHashMap.referenceQueue:Ljava/lang/ref/ReferenceQueue;
         2: .line 31
            aload 0 /* this */
            new java.util.concurrent.ConcurrentHashMap
            dup
            invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
            putfield org.terracotta.context.WeakIdentityHashMap.backing:Ljava/util/concurrent/ConcurrentHashMap;
         3: .line 26
            return
        end local 0 // org.terracotta.context.WeakIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/terracotta/context/WeakIdentityHashMap<TK;TV;>;

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.terracotta.context.WeakIdentityHashMap this
        start local 1 // java.lang.Object key
         0: .line 34
            aload 0 /* this */
            invokevirtual org.terracotta.context.WeakIdentityHashMap.clean:()V
         1: .line 35
            aload 0 /* this */
            getfield org.terracotta.context.WeakIdentityHashMap.backing:Ljava/util/concurrent/ConcurrentHashMap;
            aload 0 /* this */
            aload 1 /* key */
            aconst_null
            invokevirtual org.terracotta.context.WeakIdentityHashMap.createReference:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/ref/Reference;
            invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object key
        end local 0 // org.terracotta.context.WeakIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/terracotta/context/WeakIdentityHashMap<TK;TV;>;
            0    2     1   key  TK;
    Signature: (TK;)TV;
    MethodParameters:
      Name  Flags
      key   

  public V putIfAbsent(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.terracotta.context.WeakIdentityHashMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 39
            aload 0 /* this */
            invokevirtual org.terracotta.context.WeakIdentityHashMap.clean:()V
         1: .line 40
            aload 0 /* this */
            getfield org.terracotta.context.WeakIdentityHashMap.backing:Ljava/util/concurrent/ConcurrentHashMap;
            aload 0 /* this */
            aload 1 /* key */
            aload 0 /* this */
            getfield org.terracotta.context.WeakIdentityHashMap.referenceQueue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual org.terracotta.context.WeakIdentityHashMap.createReference:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/ref/Reference;
            aload 2 /* value */
            invokevirtual java.util.concurrent.ConcurrentHashMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // org.terracotta.context.WeakIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/terracotta/context/WeakIdentityHashMap<TK;TV;>;
            0    2     1    key  TK;
            0    2     2  value  TV;
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public V remove();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.terracotta.context.WeakIdentityHashMap this
        start local 1 // java.lang.Object key
         0: .line 44
            aload 0 /* this */
            getfield org.terracotta.context.WeakIdentityHashMap.backing:Ljava/util/concurrent/ConcurrentHashMap;
            aload 0 /* this */
            aload 1 /* key */
            aconst_null
            invokevirtual org.terracotta.context.WeakIdentityHashMap.createReference:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/ref/Reference;
            invokevirtual java.util.concurrent.ConcurrentHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* v */
        start local 2 // java.lang.Object v
         1: .line 45
            aload 0 /* this */
            invokevirtual org.terracotta.context.WeakIdentityHashMap.clean:()V
         2: .line 46
            aload 2 /* v */
            areturn
        end local 2 // java.lang.Object v
        end local 1 // java.lang.Object key
        end local 0 // org.terracotta.context.WeakIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/terracotta/context/WeakIdentityHashMap<TK;TV;>;
            0    3     1   key  TK;
            1    3     2     v  TV;
    Signature: (TK;)TV;
    MethodParameters:
      Name  Flags
      key   

  private void clean();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // org.terracotta.context.WeakIdentityHashMap this
         0: .line 51
            goto 7
        start local 1 // java.lang.ref.Reference ref
         1: .line 52
      StackMap locals: java.lang.ref.Reference
      StackMap stack:
            aload 0 /* this */
            getfield org.terracotta.context.WeakIdentityHashMap.backing:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* ref */
            invokevirtual java.util.concurrent.ConcurrentHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* dead */
        start local 2 // java.lang.Object dead
         2: .line 53
            aload 2 /* dead */
            instanceof org.terracotta.context.WeakIdentityHashMap$Cleanable
            ifeq 7
         3: .line 55
            aload 2 /* dead */
            checkcast org.terracotta.context.WeakIdentityHashMap$Cleanable
            invokeinterface org.terracotta.context.WeakIdentityHashMap$Cleanable.clean:()V
         4: .line 56
            goto 7
      StackMap locals: org.terracotta.context.WeakIdentityHashMap java.lang.ref.Reference java.lang.Object
      StackMap stack: java.lang.Throwable
         5: astore 3 /* t */
        start local 3 // java.lang.Throwable t
         6: .line 57
            getstatic org.terracotta.context.WeakIdentityHashMap.LOGGER:Lorg/slf4j/Logger;
            ldc "Cleaning failed with : {}"
            aload 3 /* t */
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 3 // java.lang.Throwable t
        end local 2 // java.lang.Object dead
        end local 1 // java.lang.ref.Reference ref
         7: .line 51
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.terracotta.context.WeakIdentityHashMap.referenceQueue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
            dup
            astore 1 /* ref */
        start local 1 // java.lang.ref.Reference ref
         8: ifnonnull 1
         9: .line 61
            return
        end local 1 // java.lang.ref.Reference ref
        end local 0 // org.terracotta.context.WeakIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/terracotta/context/WeakIdentityHashMap<TK;TV;>;
            1    7     1   ref  Ljava/lang/ref/Reference<+TK;>;
            8   10     1   ref  Ljava/lang/ref/Reference<+TK;>;
            2    7     2  dead  TV;
            6    7     3     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           3     4       5  Class java.lang.Throwable

  protected java.lang.ref.Reference<K> createReference(K, java.lang.ref.ReferenceQueue<? super K>);
    descriptor: (Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/ref/Reference;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.terracotta.context.WeakIdentityHashMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.ref.ReferenceQueue queue
         0: .line 64
            new org.terracotta.context.WeakIdentityHashMap$IdentityWeakReference
            dup
            aload 1 /* key */
            aload 2 /* queue */
            invokespecial org.terracotta.context.WeakIdentityHashMap$IdentityWeakReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
            areturn
        end local 2 // java.lang.ref.ReferenceQueue queue
        end local 1 // java.lang.Object key
        end local 0 // org.terracotta.context.WeakIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/terracotta/context/WeakIdentityHashMap<TK;TV;>;
            0    1     1    key  TK;
            0    1     2  queue  Ljava/lang/ref/ReferenceQueue<-TK;>;
    Signature: (TK;Ljava/lang/ref/ReferenceQueue<-TK;>;)Ljava/lang/ref/Reference<TK;>;
    MethodParameters:
       Name  Flags
      key    
      queue  
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "WeakIdentityHashMap.java"
NestMembers:
  org.terracotta.context.WeakIdentityHashMap$Cleanable  org.terracotta.context.WeakIdentityHashMap$IdentityWeakReference
InnerClasses:
  public abstract Cleanable = org.terracotta.context.WeakIdentityHashMap$Cleanable of org.terracotta.context.WeakIdentityHashMap
  IdentityWeakReference = org.terracotta.context.WeakIdentityHashMap$IdentityWeakReference of org.terracotta.context.WeakIdentityHashMap
/

org.terracotta/ statistics/ 2.1/ org/terracotta/context/WeakIdentityHashMap.class
