java/11 : java.base/java/lang/WeakPairMap.class

WeakPairMap
https://openjdk.java.net/
GPLv2 + Classpath Exception
final class java.lang.WeakPairMap<K1, K2, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: java.lang.WeakPairMap
  super_class: java.lang.Object
{
  private final java.util.concurrent.ConcurrentHashMap<java.lang.WeakPairMap$Pair<K1, K2>, V> map;
    descriptor: Ljava/util/concurrent/ConcurrentHashMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/ConcurrentHashMap<Ljava/lang/WeakPairMap$Pair<TK1;TK2;>;TV;>;

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

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.WeakPairMap this
         0: .line 45
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 47
            aload 0 /* this */
            new java.util.concurrent.ConcurrentHashMap
            dup
            invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
            putfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
         2: .line 48
            aload 0 /* this */
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putfield java.lang.WeakPairMap.queue:Ljava/lang/ref/ReferenceQueue;
         3: .line 45
            return
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;

  public boolean containsKeyPair(K1, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.lang.WeakPairMap this
        start local 1 // java.lang.Object k1
        start local 2 // java.lang.Object k2
         0: .line 61
            aload 0 /* this */
            invokevirtual java.lang.WeakPairMap.expungeStaleAssociations:()V
         1: .line 62
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* k1 */
            aload 2 /* k2 */
            invokestatic java.lang.WeakPairMap$Pair.lookup:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/WeakPairMap$Pair;
            invokevirtual java.util.concurrent.ConcurrentHashMap.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 2 // java.lang.Object k2
        end local 1 // java.lang.Object k1
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
            0    2     1    k1  TK1;
            0    2     2    k2  TK2;
    Signature: (TK1;TK2;)Z
    MethodParameters:
      Name  Flags
      k1    
      k2    

  public V get(K1, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.lang.WeakPairMap this
        start local 1 // java.lang.Object k1
        start local 2 // java.lang.Object k2
         0: .line 83
            aload 0 /* this */
            invokevirtual java.lang.WeakPairMap.expungeStaleAssociations:()V
         1: .line 84
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* k1 */
            aload 2 /* k2 */
            invokestatic java.lang.WeakPairMap$Pair.lookup:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/WeakPairMap$Pair;
            invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 2 // java.lang.Object k2
        end local 1 // java.lang.Object k1
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
            0    2     1    k1  TK1;
            0    2     2    k2  TK2;
    Signature: (TK1;TK2;)TV;
    MethodParameters:
      Name  Flags
      k1    
      k2    

  public V put(K1, K2, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // java.lang.WeakPairMap this
        start local 1 // java.lang.Object k1
        start local 2 // java.lang.Object k2
        start local 3 // java.lang.Object v
         0: .line 103
            aload 0 /* this */
            invokevirtual java.lang.WeakPairMap.expungeStaleAssociations:()V
         1: .line 104
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* k1 */
            aload 2 /* k2 */
            aload 0 /* this */
            getfield java.lang.WeakPairMap.queue:Ljava/lang/ref/ReferenceQueue;
            invokestatic java.lang.WeakPairMap$Pair.weak:(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/WeakPairMap$Pair;
            aload 3 /* v */
            invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 3 // java.lang.Object v
        end local 2 // java.lang.Object k2
        end local 1 // java.lang.Object k1
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
            0    2     1    k1  TK1;
            0    2     2    k2  TK2;
            0    2     3     v  TV;
    Signature: (TK1;TK2;TV;)TV;
    MethodParameters:
      Name  Flags
      k1    
      k2    
      v     

  public V putIfAbsent(K1, K2, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // java.lang.WeakPairMap this
        start local 1 // java.lang.Object k1
        start local 2 // java.lang.Object k2
        start local 3 // java.lang.Object v
         0: .line 122
            aload 0 /* this */
            invokevirtual java.lang.WeakPairMap.expungeStaleAssociations:()V
         1: .line 123
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* k1 */
            aload 2 /* k2 */
            aload 0 /* this */
            getfield java.lang.WeakPairMap.queue:Ljava/lang/ref/ReferenceQueue;
            invokestatic java.lang.WeakPairMap$Pair.weak:(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/WeakPairMap$Pair;
            aload 3 /* v */
            invokevirtual java.util.concurrent.ConcurrentHashMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 3 // java.lang.Object v
        end local 2 // java.lang.Object k2
        end local 1 // java.lang.Object k1
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
            0    2     1    k1  TK1;
            0    2     2    k2  TK2;
            0    2     3     v  TV;
    Signature: (TK1;TK2;TV;)TV;
    MethodParameters:
      Name  Flags
      k1    
      k2    
      v     

  public V computeIfAbsent(K1, K2, java.util.function.BiFunction<? super K1, ? super K2, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // java.lang.WeakPairMap this
        start local 1 // java.lang.Object k1
        start local 2 // java.lang.Object k2
        start local 3 // java.util.function.BiFunction mappingFunction
         0: .line 154
            aload 0 /* this */
            invokevirtual java.lang.WeakPairMap.expungeStaleAssociations:()V
         1: .line 156
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
         2: .line 157
            aload 1 /* k1 */
            aload 2 /* k2 */
            aload 0 /* this */
            getfield java.lang.WeakPairMap.queue:Ljava/lang/ref/ReferenceQueue;
            invokestatic java.lang.WeakPairMap$Pair.weak:(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)Ljava/lang/WeakPairMap$Pair;
         3: .line 158
            aload 3 /* mappingFunction */
            invokedynamic apply(Ljava/util/function/BiFunction;)Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  java/lang/WeakPairMap.lambda$0(Ljava/util/function/BiFunction;Ljava/lang/WeakPairMap$Pair;)Ljava/lang/Object; (6)
                  (Ljava/lang/WeakPairMap$Pair;)Ljava/lang/Object;
         4: .line 156
            invokevirtual java.util.concurrent.ConcurrentHashMap.computeIfAbsent:(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;
            astore 5
         5: .line 160
            aload 1 /* k1 */
            invokestatic java.lang.ref.Reference.reachabilityFence:(Ljava/lang/Object;)V
         6: .line 161
            aload 2 /* k2 */
            invokestatic java.lang.ref.Reference.reachabilityFence:(Ljava/lang/Object;)V
         7: .line 156
            aload 5
            areturn
         8: .line 159
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 4
         9: .line 160
            aload 1 /* k1 */
            invokestatic java.lang.ref.Reference.reachabilityFence:(Ljava/lang/Object;)V
        10: .line 161
            aload 2 /* k2 */
            invokestatic java.lang.ref.Reference.reachabilityFence:(Ljava/lang/Object;)V
        11: .line 162
            aload 4
            athrow
        end local 3 // java.util.function.BiFunction mappingFunction
        end local 2 // java.lang.Object k2
        end local 1 // java.lang.Object k1
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   12     0             this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
            0   12     1               k1  TK1;
            0   12     2               k2  TK2;
            0   12     3  mappingFunction  Ljava/util/function/BiFunction<-TK1;-TK2;+TV;>;
      Exception table:
        from    to  target  type
           1     5       8  any
    Signature: (TK1;TK2;Ljava/util/function/BiFunction<-TK1;-TK2;+TV;>;)TV;
    MethodParameters:
                 Name  Flags
      k1               
      k2               
      mappingFunction  

  public java.util.Collection<V> values();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.WeakPairMap this
         0: .line 178
            aload 0 /* this */
            invokevirtual java.lang.WeakPairMap.expungeStaleAssociations:()V
         1: .line 179
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
            invokevirtual java.util.concurrent.ConcurrentHashMap.values:()Ljava/util/Collection;
            areturn
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
    Signature: ()Ljava/util/Collection<TV;>;

  private void expungeStaleAssociations();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.WeakPairMap this
         0: .line 189
            goto 2
        start local 1 // java.lang.WeakPairMap$WeakRefPeer peer
         1: .line 190
      StackMap locals: java.lang.WeakPairMap$WeakRefPeer
      StackMap stack:
            aload 0 /* this */
            getfield java.lang.WeakPairMap.map:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* peer */
            invokevirtual java.lang.WeakPairMap$WeakRefPeer.weakPair:()Ljava/lang/WeakPairMap$Pair$Weak;
            invokevirtual java.util.concurrent.ConcurrentHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 1 // java.lang.WeakPairMap$WeakRefPeer peer
         2: .line 189
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.lang.WeakPairMap.queue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
            checkcast java.lang.WeakPairMap$WeakRefPeer
            dup
            astore 1 /* peer */
        start local 1 // java.lang.WeakPairMap$WeakRefPeer peer
         3: ifnonnull 1
         4: .line 192
            return
        end local 1 // java.lang.WeakPairMap$WeakRefPeer peer
        end local 0 // java.lang.WeakPairMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/lang/WeakPairMap<TK1;TK2;TV;>;
            1    2     1  peer  Ljava/lang/WeakPairMap$WeakRefPeer<*>;
            3    5     1  peer  Ljava/lang/WeakPairMap$WeakRefPeer<*>;

  private static java.lang.Object lambda$0(java.util.function.BiFunction, java.lang.WeakPairMap$Pair);
    descriptor: (Ljava/util/function/BiFunction;Ljava/lang/WeakPairMap$Pair;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=2, args_size=2
        start local 1 // java.lang.WeakPairMap$Pair pair
         0: .line 158
            aload 0
            aload 1 /* pair */
            invokeinterface java.lang.WeakPairMap$Pair.first:()Ljava/lang/Object;
            aload 1 /* pair */
            invokeinterface java.lang.WeakPairMap$Pair.second:()Ljava/lang/Object;
            invokeinterface java.util.function.BiFunction.apply:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.WeakPairMap$Pair pair
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     1  pair  Ljava/lang/WeakPairMap$Pair<TK1;TK2;>;
}
Signature: <K1:Ljava/lang/Object;K2:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "WeakPairMap.java"
NestMembers:
  java.lang.WeakPairMap$Pair  java.lang.WeakPairMap$Pair$Lookup  java.lang.WeakPairMap$Pair$Weak  java.lang.WeakPairMap$Pair$Weak$1  java.lang.WeakPairMap$WeakRefPeer
InnerClasses:
  private abstract Pair = java.lang.WeakPairMap$Pair of java.lang.WeakPairMap
  public final Weak = java.lang.WeakPairMap$Pair$Weak of java.lang.WeakPairMap$Pair
  private abstract WeakRefPeer = java.lang.WeakPairMap$WeakRefPeer of java.lang.WeakPairMap
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
/

java/ 11/ java.base/java/lang/WeakPairMap.class
