org.dlese.dpc.index.writer

Class DleseCollectionFileIndexingWriter.CollectionAccessionStatusComparator

java.lang.Object

org.dlese.dpc.index.writer.DleseCollectionFileIndexingWriter.CollectionAccessionStatusComparator

All Implemented Interfaces:

java.util.Comparator

Enclosing class:

DleseCollectionFileIndexingWriter

public static class DleseCollectionFileIndexingWriter.CollectionAccessionStatusComparator
extends java.lang.Object
implements java.util.Comparator

Allows sorting of a Collection accession status XML Node, by date giving precedence to status = accessioned if dates are equal.

Author:

John Weatherley

Constructor Summary

Constructors

Constructor and Description
CollectionAccessionStatusComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(java.lang.Object O1, java.lang.Object O2) Compares two collection accession XML nodes for sorting.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

CollectionAccessionStatusComparator

public CollectionAccessionStatusComparator()

Method Detail

compare

public int compare(java.lang.Object O1,
                   java.lang.Object O2)
            throws java.lang.ClassCastException

Compares two collection accession XML nodes for sorting.

Specified by:

compare in interface java.util.Comparator

Parameters:

O1 - A collectionStatus dom4j XML Node from a dlese_collect XML Document.

O2 - A collectionStatus dom4j XML Node from a dlese_collect XML Document.

Returns:

Returns a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

Throws:

java.lang.ClassCastException - If error.