org.apache.commons/commons-collections4/4.4 : org/apache/commons/collections4/ComparatorUtils.class

ComparatorUtils

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)

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 54
            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 46
            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 64
            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 78
            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 79
            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 80
            aload 2 /* comparator */
            ifnonnull 5
         4: .line 81
            new java.lang.NullPointerException
            dup
            ldc "Comparator cannot be null"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 83
      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 79
            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 85
            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 103
            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 102
            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 116
            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 134
            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 152
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 153
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 0 /* comparator */
         2: .line 155
      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 173
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 174
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 0 /* comparator */
         2: .line 176
      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 198
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 199
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 0 /* comparator */
         2: .line 201
      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 217
            aload 2 /* comparator */
            ifnonnull 2
         1: .line 218
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 2 /* comparator */
         2: .line 220
      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 221
            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 237
            aload 2 /* comparator */
            ifnonnull 2
         1: .line 238
            getstatic org.apache.commons.collections4.ComparatorUtils.NATURAL_COMPARATOR:Ljava/util/Comparator;
            astore 2 /* comparator */
         2: .line 240
      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 241
            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/ 4.4/ org/apache/commons/collections4/ComparatorUtils.class