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.
    Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.
    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