Package org.apache.openjpa.meta

Class InheritanceComparator

  • All Implemented Interfaces:
    java.io.Serializable, java.util.Comparator
    Direct Known Subclasses:
    MetaDataInheritanceComparator
    public class InheritanceComparator
extends java.lang.Object
implements java.util.Comparator, java.io.Serializable
    Comparator that keeps classes in inheritance order.
    Author:
    Abe White
    See Also:
    Serialized Form

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int compare​(java.lang.Object o1, java.lang.Object o2)  
      java.lang.Class getBase()  
      void setBase​(java.lang.Class base)
      Set the least-derived type possible; defaults to null.
      protected java.lang.Class toClass​(java.lang.Object elem)
      Subclasses can override this method to extract the class to compare on from the elements of the collection.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, 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

      • InheritanceComparator

        public InheritanceComparator()

    • Method Detail

      • setBase

        public void setBase​(java.lang.Class base)
        Set the least-derived type possible; defaults to null.

      • getBase

        public java.lang.Class getBase()

      • toClass

        protected java.lang.Class toClass​(java.lang.Object elem)
        Subclasses can override this method to extract the class to compare on from the elements of the collection.

      • compare

        public int compare​(java.lang.Object o1,
                   java.lang.Object o2)
        Specified by:
        compare in interface java.util.Comparator