https://commons.apache.org/proper/commons-collections/: The Apache Commons Collections package contains types that extend and augment the Java Collections Framework. (The Apache Software Foundation)
  • Rafael U. C. Afonso
  • Max Rydahl Andersen
  • Avalon
  • Federico Barbieri
  • Jeffrey Barnes
  • Nicola Ken Barozzi
  • Arron Bates
  • Sebastian Bazley
  • Benjamin Bentmann
  • Ola Berg
  • Sam Berlin
  • Christopher Berry
  • Nathan Beyer
  • Rune Peter Bjørnstad
  • Janek Bogucki
  • Maarten Brak
  • Dave Bryson
  • Chuck Burdick
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  • Josh Cain
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  • Ram Chidambaram
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  • Steve Downey
  • Rich Dougherty
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  • Roger Kapsi
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  • Olaf Krische
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  • Berin Loritsch
  • Hendrik Maryns
  • Stefano Mazzocchi
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  • Mauricio S. Moura
  • Kasper Nielsen
  • Stanislaw Osinski
  • Alban Peignier
  • Mike Pettypiece
  • Steve Phelps
  • Ilkka Priha
  • Jonas Van Poucke
  • Will Pugh
  • Herve Quiroz
  • Daniel Rall
  • Robert Ribnitz
  • Huw Roberts
  • Henning P. Schmiedehausen
  • Joerg Schmuecker
  • Howard Lewis Ship
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  • Ashwin S
  • Jordane Sarda
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public class org.apache.commons.collections4.functors.ConstantTransformer<I, O> implements org.apache.commons.collections4.Transformer<I, O>, java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.collections4.functors.ConstantTransformer
  super_class: java.lang.Object
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 6374440726369055124

  public static final org.apache.commons.collections4.Transformer NULL_INSTANCE;
    descriptor: Lorg/apache/commons/collections4/Transformer;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private final O iConstant;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: TO;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 40
            new org.apache.commons.collections4.functors.ConstantTransformer
            dup
            aconst_null
            invokespecial org.apache.commons.collections4.functors.ConstantTransformer.<init>:(Ljava/lang/Object;)V
            putstatic org.apache.commons.collections4.functors.ConstantTransformer.NULL_INSTANCE:Lorg/apache/commons/collections4/Transformer;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static <I, O> org.apache.commons.collections4.Transformer<I, O> nullTransformer();
    descriptor: ()Lorg/apache/commons/collections4/Transformer;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 53
            getstatic org.apache.commons.collections4.functors.ConstantTransformer.NULL_INSTANCE:Lorg/apache/commons/collections4/Transformer;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <I:Ljava/lang/Object;O:Ljava/lang/Object;>()Lorg/apache/commons/collections4/Transformer<TI;TO;>;

  public static <I, O> org.apache.commons.collections4.Transformer<I, O> constantTransformer(O);
    descriptor: (Ljava/lang/Object;)Lorg/apache/commons/collections4/Transformer;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Object constantToReturn
         0: .line 65
            aload 0 /* constantToReturn */
            ifnonnull 2
         1: .line 66
            invokestatic org.apache.commons.collections4.functors.ConstantTransformer.nullTransformer:()Lorg/apache/commons/collections4/Transformer;
            areturn
         2: .line 68
      StackMap locals:
      StackMap stack:
            new org.apache.commons.collections4.functors.ConstantTransformer
            dup
            aload 0 /* constantToReturn */
            invokespecial org.apache.commons.collections4.functors.ConstantTransformer.<init>:(Ljava/lang/Object;)V
            areturn
        end local 0 // java.lang.Object constantToReturn
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    3     0  constantToReturn  TO;
    Signature: <I:Ljava/lang/Object;O:Ljava/lang/Object;>(TO;)Lorg/apache/commons/collections4/Transformer<TI;TO;>;
    MethodParameters:
                  Name  Flags
      constantToReturn  final

  public void <init>();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
        start local 1 // java.lang.Object constantToReturn
         0: .line 78
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 79
            aload 0 /* this */
            aload 1 /* constantToReturn */
            putfield org.apache.commons.collections4.functors.ConstantTransformer.iConstant:Ljava/lang/Object;
         2: .line 80
            return
        end local 1 // java.lang.Object constantToReturn
        end local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    3     0              this  Lorg/apache/commons/collections4/functors/ConstantTransformer<TI;TO;>;
            0    3     1  constantToReturn  TO;
    Signature: (TO;)V
    MethodParameters:
                  Name  Flags
      constantToReturn  final

  public O transform();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
        start local 1 // java.lang.Object input
         0: .line 90
            aload 0 /* this */
            getfield org.apache.commons.collections4.functors.ConstantTransformer.iConstant:Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object input
        end local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/apache/commons/collections4/functors/ConstantTransformer<TI;TO;>;
            0    1     1  input  TI;
    Signature: (TI;)TO;
    MethodParameters:
       Name  Flags
      input  final

  public O getConstant();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
         0: .line 100
            aload 0 /* this */
            getfield org.apache.commons.collections4.functors.ConstantTransformer.iConstant:Ljava/lang/Object;
            areturn
        end local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/collections4/functors/ConstantTransformer<TI;TO;>;
    Signature: ()TO;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
        start local 1 // java.lang.Object obj
         0: .line 108
            aload 1 /* obj */
            aload 0 /* this */
            if_acmpne 2
         1: .line 109
            iconst_1
            ireturn
         2: .line 111
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            instanceof org.apache.commons.collections4.functors.ConstantTransformer
            ifne 4
         3: .line 112
            iconst_0
            ireturn
         4: .line 114
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            checkcast org.apache.commons.collections4.functors.ConstantTransformer
            invokevirtual org.apache.commons.collections4.functors.ConstantTransformer.getConstant:()Ljava/lang/Object;
            astore 2 /* otherConstant */
        start local 2 // java.lang.Object otherConstant
         5: .line 115
            aload 2 /* otherConstant */
            aload 0 /* this */
            invokevirtual org.apache.commons.collections4.functors.ConstantTransformer.getConstant:()Ljava/lang/Object;
            if_acmpeq 7
            aload 2 /* otherConstant */
            ifnull 6
            aload 2 /* otherConstant */
            aload 0 /* this */
            invokevirtual org.apache.commons.collections4.functors.ConstantTransformer.getConstant:()Ljava/lang/Object;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifne 7
      StackMap locals: java.lang.Object
      StackMap stack:
         6: iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         7: iconst_1
            ireturn
        end local 2 // java.lang.Object otherConstant
        end local 1 // java.lang.Object obj
        end local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    8     0           this  Lorg/apache/commons/collections4/functors/ConstantTransformer<TI;TO;>;
            0    8     1            obj  Ljava/lang/Object;
            5    8     2  otherConstant  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   final

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
         0: .line 123
            ldc "ConstantTransformer"
            invokevirtual java.lang.String.hashCode:()I
            iconst_2
            ishl
            istore 1 /* result */
        start local 1 // int result
         1: .line 124
            aload 0 /* this */
            invokevirtual org.apache.commons.collections4.functors.ConstantTransformer.getConstant:()Ljava/lang/Object;
            ifnull 3
         2: .line 125
            iload 1 /* result */
            aload 0 /* this */
            invokevirtual org.apache.commons.collections4.functors.ConstantTransformer.getConstant:()Ljava/lang/Object;
            invokevirtual java.lang.Object.hashCode:()I
            ior
            istore 1 /* result */
         3: .line 127
      StackMap locals: int
      StackMap stack:
            iload 1 /* result */
            ireturn
        end local 1 // int result
        end local 0 // org.apache.commons.collections4.functors.ConstantTransformer this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/apache/commons/collections4/functors/ConstantTransformer<TI;TO;>;
            1    4     1  result  I
}
Signature: <I:Ljava/lang/Object;O:Ljava/lang/Object;>Ljava/lang/Object;Lorg/apache/commons/collections4/Transformer<TI;TO;>;Ljava/io/Serializable;
SourceFile: "ConstantTransformer.java"