org.apache.lucene/lucene-core/8.7.0 : org/apache/lucene/util/WeakIdentityMap.class

WeakIdentityMap
https://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation)
Apache License, Version 2.0
public final class org.apache.lucene.util.WeakIdentityMap<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.lucene.util.WeakIdentityMap
  super_class: java.lang.Object
{
  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;>;

  private final java.util.Map<org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference, V> backingStore;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Lorg/apache/lucene/util/WeakIdentityMap$IdentityWeakReference;TV;>;

  private final boolean reapOnRead;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final java.lang.Object NULL;
    descriptor: Ljava/lang/Object;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 64
            ldc Lorg/apache/lucene/util/WeakIdentityMap;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.lucene.util.WeakIdentityMap.$assertionsDisabled:Z
         3: .line 243
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putstatic org.apache.lucene.util.WeakIdentityMap.NULL:Ljava/lang/Object;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static <K, V> org.apache.lucene.util.WeakIdentityMap<K, V> newHashMap();
    descriptor: ()Lorg/apache/lucene/util/WeakIdentityMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 75
            iconst_1
            invokestatic org.apache.lucene.util.WeakIdentityMap.newHashMap:(Z)Lorg/apache/lucene/util/WeakIdentityMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>()Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;

  public static <K, V> org.apache.lucene.util.WeakIdentityMap<K, V> newHashMap(boolean);
    descriptor: (Z)Lorg/apache/lucene/util/WeakIdentityMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // boolean reapOnRead
         0: .line 83
            new org.apache.lucene.util.WeakIdentityMap
            dup
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            iload 0 /* reapOnRead */
            invokespecial org.apache.lucene.util.WeakIdentityMap.<init>:(Ljava/util/Map;Z)V
            areturn
        end local 0 // boolean reapOnRead
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0  reapOnRead  Z
    Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>(Z)Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
    MethodParameters:
            Name  Flags
      reapOnRead  

  public static <K, V> org.apache.lucene.util.WeakIdentityMap<K, V> newConcurrentHashMap();
    descriptor: ()Lorg/apache/lucene/util/WeakIdentityMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 91
            iconst_1
            invokestatic org.apache.lucene.util.WeakIdentityMap.newConcurrentHashMap:(Z)Lorg/apache/lucene/util/WeakIdentityMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>()Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;

  public static <K, V> org.apache.lucene.util.WeakIdentityMap<K, V> newConcurrentHashMap(boolean);
    descriptor: (Z)Lorg/apache/lucene/util/WeakIdentityMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // boolean reapOnRead
         0: .line 99
            new org.apache.lucene.util.WeakIdentityMap
            dup
            new java.util.concurrent.ConcurrentHashMap
            dup
            invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
            iload 0 /* reapOnRead */
            invokespecial org.apache.lucene.util.WeakIdentityMap.<init>:(Ljava/util/Map;Z)V
            areturn
        end local 0 // boolean reapOnRead
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0  reapOnRead  Z
    Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>(Z)Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
    MethodParameters:
            Name  Flags
      reapOnRead  

  private void <init>(java.util.Map<org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference, V>, );
    descriptor: (Ljava/util/Map;Z)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
        start local 1 // java.util.Map backingStore
        start local 2 // boolean reapOnRead
         0: .line 103
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 65
            aload 0 /* this */
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putfield org.apache.lucene.util.WeakIdentityMap.queue:Ljava/lang/ref/ReferenceQueue;
         2: .line 104
            aload 0 /* this */
            aload 1 /* backingStore */
            putfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
         3: .line 105
            aload 0 /* this */
            iload 2 /* reapOnRead */
            putfield org.apache.lucene.util.WeakIdentityMap.reapOnRead:Z
         4: .line 106
            return
        end local 2 // boolean reapOnRead
        end local 1 // java.util.Map backingStore
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    5     0          this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            0    5     1  backingStore  Ljava/util/Map<Lorg/apache/lucene/util/WeakIdentityMap$IdentityWeakReference;TV;>;
            0    5     2    reapOnRead  Z
    Signature: (Ljava/util/Map<Lorg/apache/lucene/util/WeakIdentityMap$IdentityWeakReference;TV;>;Z)V
    MethodParameters:
              Name  Flags
      backingStore  
      reapOnRead    

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
         0: .line 110
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            invokeinterface java.util.Map.clear:()V
         1: .line 111
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         2: .line 112
            return
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;

  public boolean containsKey(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
        start local 1 // java.lang.Object key
         0: .line 116
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.reapOnRead:Z
            ifeq 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         1: .line 117
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            new org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference
            dup
            aload 1 /* key */
            aconst_null
            invokespecial org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            0    2     1   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
        start local 1 // java.lang.Object key
         0: .line 122
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.reapOnRead:Z
            ifeq 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         1: .line 123
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            new org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference
            dup
            aload 1 /* key */
            aconst_null
            invokespecial org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object key
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            0    2     1   key  Ljava/lang/Object;
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public V put(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 130
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         1: .line 131
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            new org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference
            dup
            aload 1 /* key */
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.queue:Ljava/lang/ref/ReferenceQueue;
            invokespecial org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
            aload 2 /* value */
            invokeinterface java.util.Map.put:(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.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            0    2     1    key  TK;
            0    2     2  value  TV;
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
         0: .line 136
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.size:()I
            ifne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;

  public V remove();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
        start local 1 // java.lang.Object key
         0: .line 145
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         1: .line 146
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            new org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference
            dup
            aload 1 /* key */
            aconst_null
            invokespecial org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object key
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            0    2     1   key  Ljava/lang/Object;
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
         0: .line 154
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            invokeinterface java.util.Map.isEmpty:()Z
            ifeq 2
         1: .line 155
            iconst_0
            ireturn
         2: .line 156
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.reapOnRead:Z
            ifeq 3
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         3: .line 157
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            ireturn
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;

  public java.util.Iterator<K> keyIterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
         0: .line 164
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         1: .line 165
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 1 /* iterator */
        start local 1 // java.util.Iterator iterator
         2: .line 168
            new org.apache.lucene.util.WeakIdentityMap$1
            dup
            aload 0 /* this */
            aload 1 /* iterator */
            invokespecial org.apache.lucene.util.WeakIdentityMap$1.<init>:(Lorg/apache/lucene/util/WeakIdentityMap;Ljava/util/Iterator;)V
            areturn
        end local 1 // java.util.Iterator iterator
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            2    3     1  iterator  Ljava/util/Iterator<Lorg/apache/lucene/util/WeakIdentityMap$IdentityWeakReference;>;
    Signature: ()Ljava/util/Iterator<TK;>;

  public java.util.Iterator<V> valueIterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
         0: .line 224
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.reapOnRead:Z
            ifeq 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.util.WeakIdentityMap.reap:()V
         1: .line 225
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            areturn
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
    Signature: ()Ljava/util/Iterator<TV;>;

  public void reap();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.lucene.util.WeakIdentityMap this
         0: .line 237
            goto 2
        start local 1 // java.lang.ref.Reference zombie
         1: .line 238
      StackMap locals: java.lang.ref.Reference
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.backingStore:Ljava/util/Map;
            aload 1 /* zombie */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 1 // java.lang.ref.Reference zombie
         2: .line 237
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.util.WeakIdentityMap.queue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
            dup
            astore 1 /* zombie */
        start local 1 // java.lang.ref.Reference zombie
         3: ifnonnull 1
         4: .line 240
            return
        end local 1 // java.lang.ref.Reference zombie
        end local 0 // org.apache.lucene.util.WeakIdentityMap this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/apache/lucene/util/WeakIdentityMap<TK;TV;>;
            1    2     1  zombie  Ljava/lang/ref/Reference<*>;
            3    5     1  zombie  Ljava/lang/ref/Reference<*>;
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "WeakIdentityMap.java"
NestMembers:
  org.apache.lucene.util.WeakIdentityMap$1  org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference
InnerClasses:
  org.apache.lucene.util.WeakIdentityMap$1
  private final IdentityWeakReference = org.apache.lucene.util.WeakIdentityMap$IdentityWeakReference of org.apache.lucene.util.WeakIdentityMap
/

org.apache.lucene/ lucene-core/ 8.7.0/ org/apache/lucene/util/WeakIdentityMap.class
