org.apache.commons/commons-collections4/4.3 : org/apache/commons/collections4/ComparatorUtils.class

ComparatorUtils

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.ComparatorUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.collections4.ComparatorUtils
  super_class: java.lang.Object
{
  public static final java.util.Comparator NATURAL_COMPARATOR;
    descriptor: Ljava/util/Comparator;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 53
            invokestatic org.apache.commons.collections4.comparators.ComparableComparator.comparableComparator:()Lorg/apache/commons/collections4/comparators/ComparableComparator;
            putstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.ComparatorUtils this
         0: .line 45
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.commons.collections4.ComparatorUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/collections4/ComparatorUtils;

  public static <E extends java.lang.Comparable<? super E>> java.util.Comparator<E> naturalComparator();
    descriptor: ()Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 63
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <E::Ljava/lang/Comparable<-TE;>;>()Ljava/util/Comparator<TE;>;

  public static <E> java.util.Comparator<E> chainedComparator(java.util.Comparator<E>[]);
    descriptor: ([Ljava/util/Comparator;)Ljava/util/Comparator;
    flags: (0x0089) ACC_PUBLIC, ACC_STATIC, ACC_VARARGS
    Code:
      stack=3, locals=6, args_size=1
        start local 0 // java.util.Comparator[] comparators
         0: .line 77
            new org.apache.commons.collections4.comparators.ComparatorChain
            dup
            invokespecial org.apache.commons.collections4.comparators.ComparatorChain.<init>:()V
            astore 1 /* chain */
        start local 1 // org.apache.commons.collections4.comparators.ComparatorChain chain
         1: .line 78
            aload 0 /* comparators */
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 7
      StackMap locals: java.util.Comparator[] org.apache.commons.collections4.comparators.ComparatorChain top int int java.util.Comparator[]
      StackMap stack:
         2: aload 5
            iload 3
            aaload
            astore 2 /* comparator */
        start local 2 // java.util.Comparator comparator
         3: .line 79
            aload 2 /* comparator */
            ifnonnull 5
         4: .line 80
            new java.lang.NullPointerException
            dup
            ldc "Comparator cannot be null"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 82
      StackMap locals: java.util.Comparator[] org.apache.commons.collections4.comparators.ComparatorChain java.util.Comparator int int java.util.Comparator[]
      StackMap stack:
            aload 1 /* chain */
            aload 2 /* comparator */
            invokevirtual org.apache.commons.collections4.comparators.ComparatorChain.addComparator:(Ljava/util/Comparator;)V
        end local 2 // java.util.Comparator comparator
         6: .line 78
            iinc 3 1
      StackMap locals: java.util.Comparator[] org.apache.commons.collections4.comparators.ComparatorChain top int int java.util.Comparator[]
      StackMap stack:
         7: iload 3
            iload 4
            if_icmplt 2
         8: .line 84
            aload 1 /* chain */
            areturn
        end local 1 // org.apache.commons.collections4.comparators.ComparatorChain chain
        end local 0 // java.util.Comparator[] comparators
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    9     0  comparators  [Ljava/util/Comparator;
            1    9     1        chain  Lorg/apache/commons/collections4/comparators/ComparatorChain<TE;>;
            3    6     2   comparator  Ljava/util/Comparator<TE;>;
    Signature: <E:Ljava/lang/Object;>([Ljava/util/Comparator<TE;>;)Ljava/util/Comparator<TE;>;
    MethodParameters:
             Name  Flags
      comparators  final

  public static <E> java.util.Comparator<E> chainedComparator(java.util.Collection<java.util.Comparator<E>>);
    descriptor: (Ljava/util/Collection;)Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.Collection comparators
         0: .line 102
            aload 0 /* comparators */
            aload 0 /* comparators */
            invokeinterface java.util.Collection.size:()I
            anewarray java.util.Comparator
            invokeinterface java.util.Collection.toArray:([Ljava/lang/Object;)[Ljava/lang/Object;
            checkcast java.util.Comparator[]
         1: .line 101
            invokestatic org.apache.commons.collections4.ComparatorUtils.chainedComparator:([Ljava/util/Comparator;)Ljava/util/Comparator;
            areturn
        end local 0 // java.util.Collection comparators
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0  comparators  Ljava/util/Collection<Ljava/util/Comparator<TE;>;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Collection<Ljava/util/Comparator<TE;>;>;)Ljava/util/Comparator<TE;>;
    MethodParameters:
             Name  Flags
      comparators  final

  public static <E> java.util.Comparator<E> reversedComparator(java.util.Comparator<E>);
    descriptor: (Ljava/util/Comparator;)Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.util.Comparator comparator
         0: .line 115
            new org.apache.commons.collections4.comparators.ReverseComparator
            dup
            aload 0 /* comparator */
            invokespecial org.apache.commons.collections4.comparators.ReverseComparator.<init>:(Ljava/util/Comparator;)V
            areturn
        end local 0 // java.util.Comparator comparator
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0  comparator  Ljava/util/Comparator<TE;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Comparator<TE;>;)Ljava/util/Comparator<TE;>;
    MethodParameters:
            Name  Flags
      comparator  final

  public static java.util.Comparator<java.lang.Boolean> booleanComparator(boolean);
    descriptor: (Z)Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // boolean trueFirst
         0: .line 131
            iload 0 /* trueFirst */
            invokestatic org.apache.commons.collections4.comparators.BooleanComparator.booleanComparator:(Z)Lorg/apache/commons/collections4/comparators/BooleanComparator;
            areturn
        end local 0 // boolean trueFirst
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0  trueFirst  Z
    Signature: (Z)Ljava/util/Comparator<Ljava/lang/Boolean;>;
    MethodParameters:
           Name  Flags
      trueFirst  final

  public static <E> java.util.Comparator<E> nullLowComparator(java.util.Comparator<E>);
    descriptor: (Ljava/util/Comparator;)Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.util.Comparator comparator
         0: .line 148
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 149
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 0 /* comparator */
         2: .line 151
      StackMap locals:
      StackMap stack:
            new org.apache.commons.collections4.comparators.NullComparator
            dup
            aload 0 /* comparator */
            iconst_0
            invokespecial org.apache.commons.collections4.comparators.NullComparator.<init>:(Ljava/util/Comparator;Z)V
            areturn
        end local 0 // java.util.Comparator comparator
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0  comparator  Ljava/util/Comparator<TE;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Comparator<TE;>;)Ljava/util/Comparator<TE;>;
    MethodParameters:
            Name  Flags
      comparator  

  public static <E> java.util.Comparator<E> nullHighComparator(java.util.Comparator<E>);
    descriptor: (Ljava/util/Comparator;)Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.util.Comparator comparator
         0: .line 168
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 169
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 0 /* comparator */
         2: .line 171
      StackMap locals:
      StackMap stack:
            new org.apache.commons.collections4.comparators.NullComparator
            dup
            aload 0 /* comparator */
            iconst_1
            invokespecial org.apache.commons.collections4.comparators.NullComparator.<init>:(Ljava/util/Comparator;Z)V
            areturn
        end local 0 // java.util.Comparator comparator
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0  comparator  Ljava/util/Comparator<TE;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Comparator<TE;>;)Ljava/util/Comparator<TE;>;
    MethodParameters:
            Name  Flags
      comparator  

  public static <I, O> java.util.Comparator<I> transformedComparator(java.util.Comparator<O>, org.apache.commons.collections4.Transformer<? super I, ? extends O>);
    descriptor: (Ljava/util/Comparator;Lorg/apache/commons/collections4/Transformer;)Ljava/util/Comparator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.util.Comparator comparator
        start local 1 // org.apache.commons.collections4.Transformer transformer
         0: .line 192
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 193
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 0 /* comparator */
         2: .line 195
      StackMap locals:
      StackMap stack:
            new org.apache.commons.collections4.comparators.TransformingComparator
            dup
            aload 1 /* transformer */
            aload 0 /* comparator */
            invokespecial org.apache.commons.collections4.comparators.TransformingComparator.<init>:(Lorg/apache/commons/collections4/Transformer;Ljava/util/Comparator;)V
            areturn
        end local 1 // org.apache.commons.collections4.Transformer transformer
        end local 0 // java.util.Comparator comparator
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0   comparator  Ljava/util/Comparator<TO;>;
            0    3     1  transformer  Lorg/apache/commons/collections4/Transformer<-TI;+TO;>;
    Signature: <I:Ljava/lang/Object;O:Ljava/lang/Object;>(Ljava/util/Comparator<TO;>;Lorg/apache/commons/collections4/Transformer<-TI;+TO;>;)Ljava/util/Comparator<TI;>;
    MethodParameters:
             Name  Flags
      comparator   
      transformer  final

  public static <E> E min(E, E, java.util.Comparator<E>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/util/Comparator;)Ljava/lang/Object;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.lang.Object o1
        start local 1 // java.lang.Object o2
        start local 2 // java.util.Comparator comparator
         0: .line 211
            aload 2 /* comparator */
            ifnonnull 2
         1: .line 212
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 2 /* comparator */
         2: .line 214
      StackMap locals:
      StackMap stack:
            aload 2 /* comparator */
            aload 0 /* o1 */
            aload 1 /* o2 */
            invokeinterface java.util.Comparator.compare:(Ljava/lang/Object;Ljava/lang/Object;)I
            istore 3 /* c */
        start local 3 // int c
         3: .line 215
            iload 3 /* c */
            ifge 4
            aload 0 /* o1 */
            goto 5
      StackMap locals: int
      StackMap stack:
         4: aload 1 /* o2 */
      StackMap locals:
      StackMap stack: java.lang.Object
         5: areturn
        end local 3 // int c
        end local 2 // java.util.Comparator comparator
        end local 1 // java.lang.Object o2
        end local 0 // java.lang.Object o1
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0          o1  TE;
            0    6     1          o2  TE;
            0    6     2  comparator  Ljava/util/Comparator<TE;>;
            3    6     3           c  I
    Signature: <E:Ljava/lang/Object;>(TE;TE;Ljava/util/Comparator<TE;>;)TE;
    MethodParameters:
            Name  Flags
      o1          final
      o2          final
      comparator  

  public static <E> E max(E, E, java.util.Comparator<E>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/util/Comparator;)Ljava/lang/Object;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.lang.Object o1
        start local 1 // java.lang.Object o2
        start local 2 // java.util.Comparator comparator
         0: .line 231
            aload 2 /* comparator */
            ifnonnull 2
         1: .line 232
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 2 /* comparator */
         2: .line 234
      StackMap locals:
      StackMap stack:
            aload 2 /* comparator */
            aload 0 /* o1 */
            aload 1 /* o2 */
            invokeinterface java.util.Comparator.compare:(Ljava/lang/Object;Ljava/lang/Object;)I
            istore 3 /* c */
        start local 3 // int c
         3: .line 235
            iload 3 /* c */
            ifle 4
            aload 0 /* o1 */
            goto 5
      StackMap locals: int
      StackMap stack:
         4: aload 1 /* o2 */
      StackMap locals:
      StackMap stack: java.lang.Object
         5: areturn
        end local 3 // int c
        end local 2 // java.util.Comparator comparator
        end local 1 // java.lang.Object o2
        end local 0 // java.lang.Object o1
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0          o1  TE;
            0    6     1          o2  TE;
            0    6     2  comparator  Ljava/util/Comparator<TE;>;
            3    6     3           c  I
    Signature: <E:Ljava/lang/Object;>(TE;TE;Ljava/util/Comparator<TE;>;)TE;
    MethodParameters:
            Name  Flags
      o1          final
      o2          final
      comparator  
}
SourceFile: "ComparatorUtils.java"

/

org.apache.commons/ commons-collections4/ 4.3/ org/apache/commons/collections4/ComparatorUtils.class