http://labs.carrotsearch.com/hppc.html/hppc: High Performance Primitive Collections. Fundamental data structures (maps, sets, lists, stacks, queues) generated for combinations of object and primitive types to conserve JVM memory and speed up execution. (Carrot Search s.c.)
  • Dawid Weiss
  • Stanisław Osiński 
public class com.carrotsearch.hppc.ObjectObjectIdentityHashMap<KType, VType> extends com.carrotsearch.hppc.ObjectObjectHashMap<KType, VType>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.carrotsearch.hppc.ObjectObjectIdentityHashMap
  super_class: com.carrotsearch.hppc.ObjectObjectHashMap
{
  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=1, locals=0, args_size=0
         0: .line 19
            ldc Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap;
            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 com.carrotsearch.hppc.ObjectObjectIdentityHashMap.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
         0: .line 26
            aload 0 /* this */
            iconst_4
            invokespecial com.carrotsearch.hppc.ObjectObjectIdentityHashMap.<init>:(I)V
         1: .line 27
            return
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // int expectedElements
         0: .line 36
            aload 0 /* this */
            iload 1 /* expectedElements */
            ldc 0.75
            invokespecial com.carrotsearch.hppc.ObjectObjectIdentityHashMap.<init>:(ID)V
         1: .line 37
            return
        end local 1 // int expectedElements
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0    2     1  expectedElements  I
    MethodParameters:
                  Name  Flags
      expectedElements  

  public void <init>(int, double);
    descriptor: (ID)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // int expectedElements
        start local 2 // double loadFactor
         0: .line 50
            aload 0 /* this */
            iload 1 /* expectedElements */
            dload 2 /* loadFactor */
            invokestatic com.carrotsearch.hppc.HashOrderMixing.randomized:()Lcom/carrotsearch/hppc/HashOrderMixingStrategy;
            invokespecial com.carrotsearch.hppc.ObjectObjectIdentityHashMap.<init>:(IDLcom/carrotsearch/hppc/HashOrderMixingStrategy;)V
         1: .line 51
            return
        end local 2 // double loadFactor
        end local 1 // int expectedElements
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0    2     1  expectedElements  I
            0    2     2        loadFactor  D
    MethodParameters:
                  Name  Flags
      expectedElements  
      loadFactor        

  public void <init>(int, double, com.carrotsearch.hppc.HashOrderMixingStrategy);
    descriptor: (IDLcom/carrotsearch/hppc/HashOrderMixingStrategy;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // int expectedElements
        start local 2 // double loadFactor
        start local 4 // com.carrotsearch.hppc.HashOrderMixingStrategy orderMixer
         0: .line 66
            aload 0 /* this */
            invokespecial com.carrotsearch.hppc.ObjectObjectHashMap.<init>:()V
         1: .line 67
            aload 0 /* this */
            aload 4 /* orderMixer */
            putfield com.carrotsearch.hppc.ObjectObjectIdentityHashMap.orderMixer:Lcom/carrotsearch/hppc/HashOrderMixingStrategy;
         2: .line 68
            aload 0 /* this */
            aload 0 /* this */
            dload 2 /* loadFactor */
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.verifyLoadFactor:(D)D
            putfield com.carrotsearch.hppc.ObjectObjectIdentityHashMap.loadFactor:D
         3: .line 69
            aload 0 /* this */
            iload 1 /* expectedElements */
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.ensureCapacity:(I)V
         4: .line 70
            return
        end local 4 // com.carrotsearch.hppc.HashOrderMixingStrategy orderMixer
        end local 2 // double loadFactor
        end local 1 // int expectedElements
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    5     0              this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0    5     1  expectedElements  I
            0    5     2        loadFactor  D
            0    5     4        orderMixer  Lcom/carrotsearch/hppc/HashOrderMixingStrategy;
    MethodParameters:
                  Name  Flags
      expectedElements  
      loadFactor        
      orderMixer        

  public void <init>(com.carrotsearch.hppc.ObjectObjectAssociativeContainer<? extends KType, ? extends VType>);
    descriptor: (Lcom/carrotsearch/hppc/ObjectObjectAssociativeContainer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // com.carrotsearch.hppc.ObjectObjectAssociativeContainer container
         0: .line 76
            aload 0 /* this */
            aload 1 /* container */
            invokeinterface com.carrotsearch.hppc.ObjectObjectAssociativeContainer.size:()I
            invokespecial com.carrotsearch.hppc.ObjectObjectIdentityHashMap.<init>:(I)V
         1: .line 77
            aload 0 /* this */
            aload 1 /* container */
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.putAll:(Lcom/carrotsearch/hppc/ObjectObjectAssociativeContainer;)I
            pop
         2: .line 78
            return
        end local 1 // com.carrotsearch.hppc.ObjectObjectAssociativeContainer container
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0    3     1  container  Lcom/carrotsearch/hppc/ObjectObjectAssociativeContainer<+TKType;+TVType;>;
    Signature: (Lcom/carrotsearch/hppc/ObjectObjectAssociativeContainer<+TKType;+TVType;>;)V
    MethodParameters:
           Name  Flags
      container  

  public int hashKey();
    descriptor: (Ljava/lang/Object;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // java.lang.Object key
         0: .line 82
            getstatic com.carrotsearch.hppc.ObjectObjectIdentityHashMap.$assertionsDisabled:Z
            ifne 1
            aload 1 /* key */
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 83
      StackMap locals:
      StackMap stack:
            aload 1 /* key */
            invokestatic java.lang.System.identityHashCode:(Ljava/lang/Object;)I
            aload 0 /* this */
            getfield com.carrotsearch.hppc.ObjectObjectIdentityHashMap.keyMixer:I
            invokestatic com.carrotsearch.hppc.BitMixer.mix:(II)I
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0    2     1   key  TKType;
    Signature: (TKType;)I
    MethodParameters:
      Name  Flags
      key   

  public boolean equals(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // java.lang.Object v1
        start local 2 // java.lang.Object v2
         0: .line 88
            aload 1 /* v1 */
            aload 2 /* v2 */
            if_acmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 2 // java.lang.Object v2
        end local 1 // java.lang.Object v1
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0    2     1    v1  Ljava/lang/Object;
            0    2     2    v2  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      v1    
      v2    

  protected boolean equalElements(com.carrotsearch.hppc.ObjectObjectHashMap<?, ?>);
    descriptor: (Lcom/carrotsearch/hppc/ObjectObjectHashMap;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
        start local 1 // com.carrotsearch.hppc.ObjectObjectHashMap other
         0: .line 94
            aload 1 /* other */
            invokevirtual com.carrotsearch.hppc.ObjectObjectHashMap.size:()I
            aload 0 /* this */
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.size:()I
            if_icmpeq 2
         1: .line 95
            iconst_0
            ireturn
         2: .line 98
      StackMap locals:
      StackMap stack:
            aload 1 /* other */
            invokevirtual com.carrotsearch.hppc.ObjectObjectHashMap.iterator:()Ljava/util/Iterator;
            astore 2 /* i */
        start local 2 // java.util.Iterator i
         3: .line 99
            goto 9
         4: .line 100
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* i */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast com.carrotsearch.hppc.cursors.ObjectObjectCursor
            astore 3 /* c */
        start local 3 // com.carrotsearch.hppc.cursors.ObjectObjectCursor c
         5: .line 101
            aload 3 /* c */
            getfield com.carrotsearch.hppc.cursors.ObjectObjectCursor.key:Ljava/lang/Object;
            astore 4 /* key */
        start local 4 // java.lang.Object key
         6: .line 102
            aload 0 /* this */
            aload 4 /* key */
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.containsKey:(Ljava/lang/Object;)Z
            ifeq 8
         7: .line 103
            aload 0 /* this */
            aload 0 /* this */
            aload 4 /* key */
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 3 /* c */
            getfield com.carrotsearch.hppc.cursors.ObjectObjectCursor.value:Ljava/lang/Object;
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.equals:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ifne 9
         8: .line 104
      StackMap locals: com.carrotsearch.hppc.cursors.ObjectObjectCursor java.lang.Object
      StackMap stack:
            iconst_0
            ireturn
        end local 4 // java.lang.Object key
        end local 3 // com.carrotsearch.hppc.cursors.ObjectObjectCursor c
         9: .line 99
      StackMap locals:
      StackMap stack:
            aload 2 /* i */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        10: .line 108
            iconst_1
            ireturn
        end local 2 // java.util.Iterator i
        end local 1 // com.carrotsearch.hppc.ObjectObjectHashMap other
        end local 0 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   11     0   this  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            0   11     1  other  Lcom/carrotsearch/hppc/ObjectObjectHashMap<**>;
            3   11     2      i  Ljava/util/Iterator<+Lcom/carrotsearch/hppc/cursors/ObjectObjectCursor<**>;>;
            5    9     3      c  Lcom/carrotsearch/hppc/cursors/ObjectObjectCursor<**>;
            6    9     4    key  TKType;
    Signature: (Lcom/carrotsearch/hppc/ObjectObjectHashMap<**>;)Z
    MethodParameters:
       Name  Flags
      other  

  public static <KType, VType> com.carrotsearch.hppc.ObjectObjectIdentityHashMap<KType, VType> from(KType[], VType[]);
    descriptor: ([Ljava/lang/Object;[Ljava/lang/Object;)Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // java.lang.Object[] keys
        start local 1 // java.lang.Object[] values
         0: .line 116
            aload 0 /* keys */
            arraylength
            aload 1 /* values */
            arraylength
            if_icmpeq 2
         1: .line 117
            new java.lang.IllegalArgumentException
            dup
            ldc "Arrays of keys and values must have an identical length."
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 120
      StackMap locals:
      StackMap stack:
            new com.carrotsearch.hppc.ObjectObjectIdentityHashMap
            dup
            aload 0 /* keys */
            arraylength
            invokespecial com.carrotsearch.hppc.ObjectObjectIdentityHashMap.<init>:(I)V
            astore 2 /* map */
        start local 2 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap map
         3: .line 121
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         4: goto 7
         5: .line 122
      StackMap locals: com.carrotsearch.hppc.ObjectObjectIdentityHashMap int
      StackMap stack:
            aload 2 /* map */
            aload 0 /* keys */
            iload 3 /* i */
            aaload
            aload 1 /* values */
            iload 3 /* i */
            aaload
            invokevirtual com.carrotsearch.hppc.ObjectObjectIdentityHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 121
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         7: iload 3 /* i */
            aload 0 /* keys */
            arraylength
            if_icmplt 5
        end local 3 // int i
         8: .line 125
            aload 2 /* map */
            areturn
        end local 2 // com.carrotsearch.hppc.ObjectObjectIdentityHashMap map
        end local 1 // java.lang.Object[] values
        end local 0 // java.lang.Object[] keys
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    9     0    keys  [Ljava/lang/Object;
            0    9     1  values  [Ljava/lang/Object;
            3    9     2     map  Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
            4    8     3       i  I
    Signature: <KType:Ljava/lang/Object;VType:Ljava/lang/Object;>([TKType;[TVType;)Lcom/carrotsearch/hppc/ObjectObjectIdentityHashMap<TKType;TVType;>;
    MethodParameters:
        Name  Flags
      keys    
      values  
}
Signature: <KType:Ljava/lang/Object;VType:Ljava/lang/Object;>Lcom/carrotsearch/hppc/ObjectObjectHashMap<TKType;TVType;>;
SourceFile: "ObjectObjectIdentityHashMap.java"