org.apache.commons/commons-collections4/4.3 : org/apache/commons/collections4/comparators/NullComparator.class

NullComparator

http://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)

Apache License, Version 2.0

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
Julien Buret
Josh Cain
Jonathan Carlson
Ram Chidambaram
Steve Clark
Benoit Corne
Eric Crampton
Dimiter Dimitrov
Peter Donald
Steve Downey
Rich Dougherty
Tom Dunham
Stefano Fornari
Andrew Freeman
Gerhard Froehlich
Goran Hacek
David Hay
Mario Ivankovits
Paul Jack
Eric Johnson
Kent Johnson
Marc Johnson
Roger Kapsi
Nissim Karpenstein
Shinobu Kawai
Stephen Kestle
Mohan Kishore
Simon Kitching
Thomas Knych
Serge Knystautas
Peter KoBek
Jordan Krey
Olaf Krische
Guilhem Lavaux
Paul Legato
David Leppik
Berin Loritsch
Hendrik Maryns
Stefano Mazzocchi
Brian McCallister
David Meikle
Steven Melzer
Leon Messerschmidt
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
Joe Raysa
Jeff Rodriguez
Ashwin S
Jordane Sarda
Thomas Schapitz
Jon Schewe
Andreas Schlosser
Christian Siefkes
Michael Smith
Stephen Smith
Jan Sorensen
Jon S. Stevens
James Strachan
Leo Sutic
Radford Tam
Chris Tilden
Neil O'Toole
Jeff Turner
Kazuya Ujihara
Thomas Vahrst
Jeff Varszegi
Ralph Wagner
Hollis Waite
David Weinrich
Dieter Wimberger
Serhiy Yevtushenko
Sai Zhang
Jason van Zyl
Geoff Schoeman
Goncalo Marques
Vamsi Kavuri

Matt Benson
James Carman
Stephen Colebourne
Robert Burrell Donkin
Morgan Delagrange
Gary Gregory
Matthew Hawthorne
Dipanjan Laha
Geir Magnusson
Luc Maisonobe
Craig McClanahan
Thomas Neidhart
Adrian Nistor
Arun M. Thomas
Rodney Waldhoff
Henri Yandell
Rob Tompkins

public class org.apache.commons.collections4.comparators.NullComparator<E> implements java.util.Comparator<E>, java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.collections4.comparators.NullComparator
  super_class: java.lang.Object
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -5820772575483504339

  private final java.util.Comparator<? super E> nonNullComparator;
    descriptor: Ljava/util/Comparator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Comparator<-TE;>;

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

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.comparators.NullComparator this
         0: .line 56
            aload 0 /* this */
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            iconst_1
            invokespecial org.apache.commons.collections4.comparators.NullComparator.<init>:(Ljava/util/Comparator;Z)V
         1: .line 57
            return
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;

  public void <init>(java.util.Comparator<? super E>);
    descriptor: (Ljava/util/Comparator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.comparators.NullComparator this
        start local 1 // java.util.Comparator nonNullComparator
         0: .line 73
            aload 0 /* this */
            aload 1 /* nonNullComparator */
            iconst_1
            invokespecial org.apache.commons.collections4.comparators.NullComparator.<init>:(Ljava/util/Comparator;Z)V
         1: .line 74
            return
        end local 1 // java.util.Comparator nonNullComparator
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    2     0               this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;
            0    2     1  nonNullComparator  Ljava/util/Comparator<-TE;>;
    Signature: (Ljava/util/Comparator<-TE;>;)V
    MethodParameters:
                   Name  Flags
      nonNullComparator  final

  public void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.comparators.NullComparator this
        start local 1 // boolean nullsAreHigh
         0: .line 90
            aload 0 /* this */
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            iload 1 /* nullsAreHigh */
            invokespecial org.apache.commons.collections4.comparators.NullComparator.<init>:(Ljava/util/Comparator;Z)V
         1: .line 91
            return
        end local 1 // boolean nullsAreHigh
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;
            0    2     1  nullsAreHigh  Z
    MethodParameters:
              Name  Flags
      nullsAreHigh  final

  public void <init>(java.util.Comparator<? super E>, );
    descriptor: (Ljava/util/Comparator;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.commons.collections4.comparators.NullComparator this
        start local 1 // java.util.Comparator nonNullComparator
        start local 2 // boolean nullsAreHigh
         0: .line 112
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 113
            aload 0 /* this */
            aload 1 /* nonNullComparator */
            putfield org.apache.commons.collections4.comparators.NullComparator.nonNullComparator:Ljava/util/Comparator;
         2: .line 114
            aload 0 /* this */
            iload 2 /* nullsAreHigh */
            putfield org.apache.commons.collections4.comparators.NullComparator.nullsAreHigh:Z
         3: .line 116
            aload 1 /* nonNullComparator */
            ifnonnull 5
         4: .line 117
            new java.lang.NullPointerException
            dup
            ldc "null nonNullComparator"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 119
      StackMap locals: org.apache.commons.collections4.comparators.NullComparator java.util.Comparator int
      StackMap stack:
            return
        end local 2 // boolean nullsAreHigh
        end local 1 // java.util.Comparator nonNullComparator
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    6     0               this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;
            0    6     1  nonNullComparator  Ljava/util/Comparator<-TE;>;
            0    6     2       nullsAreHigh  Z
    Signature: (Ljava/util/Comparator<-TE;>;Z)V
    MethodParameters:
                   Name  Flags
      nonNullComparator  final
      nullsAreHigh       final

  public int compare(E, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.commons.collections4.comparators.NullComparator this
        start local 1 // java.lang.Object o1
        start local 2 // java.lang.Object o2
         0: .line 140
            aload 1 /* o1 */
            aload 2 /* o2 */
            if_acmpne 1
            iconst_0
            ireturn
         1: .line 141
      StackMap locals:
      StackMap stack:
            aload 1 /* o1 */
            ifnonnull 4
            aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nullsAreHigh:Z
            ifeq 2
            iconst_1
            goto 3
      StackMap locals:
      StackMap stack:
         2: iconst_m1
      StackMap locals:
      StackMap stack: int
         3: ireturn
         4: .line 142
      StackMap locals:
      StackMap stack:
            aload 2 /* o2 */
            ifnonnull 7
            aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nullsAreHigh:Z
            ifeq 5
            iconst_m1
            goto 6
      StackMap locals:
      StackMap stack:
         5: iconst_1
      StackMap locals:
      StackMap stack: int
         6: ireturn
         7: .line 143
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nonNullComparator:Ljava/util/Comparator;
            aload 1 /* o1 */
            aload 2 /* o2 */
            invokeinterface java.util.Comparator.compare:(Ljava/lang/Object;Ljava/lang/Object;)I
            ireturn
        end local 2 // java.lang.Object o2
        end local 1 // java.lang.Object o1
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;
            0    8     1    o1  TE;
            0    8     2    o2  TE;
    Signature: (TE;TE;)I
    MethodParameters:
      Name  Flags
      o1    final
      o2    final

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.comparators.NullComparator this
         0: .line 155
            aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nullsAreHigh:Z
            ifeq 1
            iconst_m1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nonNullComparator:Ljava/util/Comparator;
            invokevirtual java.lang.Object.hashCode:()I
            imul
            ireturn
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;

  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.comparators.NullComparator this
        start local 1 // java.lang.Object obj
         0: .line 171
            aload 1 /* obj */
            ifnonnull 1
            iconst_0
            ireturn
         1: .line 172
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            aload 0 /* this */
            if_acmpne 2
            iconst_1
            ireturn
         2: .line 173
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifne 3
            iconst_0
            ireturn
         3: .line 175
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            checkcast org.apache.commons.collections4.comparators.NullComparator
            astore 2 /* other */
        start local 2 // org.apache.commons.collections4.comparators.NullComparator other
         4: .line 177
            aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nullsAreHigh:Z
            aload 2 /* other */
            getfield org.apache.commons.collections4.comparators.NullComparator.nullsAreHigh:Z
            if_icmpne 7
         5: .line 178
            aload 0 /* this */
            getfield org.apache.commons.collections4.comparators.NullComparator.nonNullComparator:Ljava/util/Comparator;
            aload 2 /* other */
            getfield org.apache.commons.collections4.comparators.NullComparator.nonNullComparator:Ljava/util/Comparator;
            invokeinterface java.util.Comparator.equals:(Ljava/lang/Object;)Z
            ifeq 7
         6: .line 177
            iconst_1
            ireturn
      StackMap locals: org.apache.commons.collections4.comparators.NullComparator
      StackMap stack:
         7: iconst_0
            ireturn
        end local 2 // org.apache.commons.collections4.comparators.NullComparator other
        end local 1 // java.lang.Object obj
        end local 0 // org.apache.commons.collections4.comparators.NullComparator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   this  Lorg/apache/commons/collections4/comparators/NullComparator<TE;>;
            0    8     1    obj  Ljava/lang/Object;
            4    8     2  other  Lorg/apache/commons/collections4/comparators/NullComparator<*>;
    MethodParameters:
      Name  Flags
      obj   final
}
Signature: <E:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Comparator<TE;>;Ljava/io/Serializable;
SourceFile: "NullComparator.java"

/

org.apache.commons/ commons-collections4/ 4.3/ org/apache/commons/collections4/comparators/NullComparator.class