org.plasma.sdo.access.provider.common
Class DataComparator

java.lang.Object
  org.plasma.sdo.access.provider.common.DataComparator

Direct Known Subclasses:

DataGraphComparator, DataObjectComparator

public abstract class DataComparator
extends java.lang.Object

Nested Class Summary

protected class

DataComparator.PathInfo

Field Summary

protected static int	ASCENDING
protected static int	DESCENDING
protected java.util.List<DataComparator.PathInfo>	paths

Constructor Summary

DataComparator()

Method Summary

void	addAscending(Property property)
void	addDescending(Property property)
protected int	comp(java.lang.Object ep1, java.lang.Object ep2)
protected int	compare(DataObject vo1, DataObject vo2)
protected java.lang.Object	findEndpoint(DataObject targetObject, Property property, Path path, int pathIndex)

Methods inherited from class java.lang.Object

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

Field Detail

ASCENDING

protected static int ASCENDING

DESCENDING

protected static int DESCENDING

paths

protected java.util.List<DataComparator.PathInfo> paths

Constructor Detail

DataComparator

public DataComparator()

Method Detail

addAscending

public void addAscending(Property property)

addDescending

public void addDescending(Property property)

compare

protected int compare(DataObject vo1,
                      DataObject vo2)

comp

protected int comp(java.lang.Object ep1,
                   java.lang.Object ep2)

findEndpoint

protected java.lang.Object findEndpoint(DataObject targetObject,
                                        Property property,
                                        Path path,
                                        int pathIndex)