Package org.apache.commons.collections.comparators

Class TransformingComparator

  • All Implemented Interfaces:
    java.util.Comparator
    @Deprecated(since="2021-04-30")
public class TransformingComparator
extends java.lang.Object
implements java.util.Comparator
    Deprecated.
    Apache Commons Collections version 3.x is being deprecated from AEMaaCS. The upgraded version 4.4 of Commons Collections is already included as replacement. Customers are advised to upgrade to this version of the library. Please note: the package name was changed to org.apache.commons.collections4. Further note that there are AEM APIs currently exposing the old collections classes; these will be updated in upcoming releases.
    Decorates another Comparator with transformation behavior. That is, the return value from the transform operation will be passed to the decorated compare method.
    Since:
    Commons Collections 2.0 (?)
    See Also:
    Transformer, ComparableComparator

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      int compare​(java.lang.Object obj1, java.lang.Object obj2)
      Deprecated.
      Returns the result of comparing the values from the transform operation.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

      • Methods inherited from interface java.util.Comparator

        equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

    • Constructor Detail

      • TransformingComparator

        public TransformingComparator​(Transformer transformer)
        Deprecated.
        Constructs an instance with the given Transformer and a ComparableComparator.
        Parameters:
        transformer - what will transform the arguments to compare

      • TransformingComparator

        public TransformingComparator​(Transformer transformer,
                              java.util.Comparator decorated)
        Deprecated.
        Constructs an instance with the given Transformer and Comparator.
        Parameters:
        transformer - what will transform the arguments to compare
        decorated - the decorated Comparator

    • Method Detail

      • compare

        public int compare​(java.lang.Object obj1,
                   java.lang.Object obj2)
        Deprecated.
        Returns the result of comparing the values from the transform operation.
        Specified by:
        compare in interface java.util.Comparator
        Parameters:
        obj1 - the first object to transform then compare
        obj2 - the second object to transform then compare
        Returns:
        negative if obj1 is less, positive if greater, zero if equal