org.apache.openjpa.meta
Class InheritanceComparator
java.lang.Object
org.apache.openjpa.meta.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 |
int |
compare(java.lang.Object o1,
java.lang.Object o2)
|
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 |
InheritanceComparator
public InheritanceComparator()
setBase
public void setBase(java.lang.Class base)
- Set the least-derived type possible; defaults to
null
.
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