org.apache.openjpa.persistence
Class XMLPersistenceMetaDataSerializer.SerializationComparator

java.lang.Object
  org.apache.openjpa.meta.InheritanceComparator
      org.apache.openjpa.meta.MetaDataInheritanceComparator
          org.apache.openjpa.persistence.XMLPersistenceMetaDataSerializer.SerializationComparator

All Implemented Interfaces:

Serializable, Comparator

Direct Known Subclasses:

XMLPersistenceMappingSerializer.MappingSerializationComparator

Enclosing class:

XMLPersistenceMetaDataSerializer

protected class XMLPersistenceMetaDataSerializer.SerializationComparator
extends MetaDataInheritanceComparator

Compares clases, sequences, and queries to order them for serialization. Places sequences first, then classes, then queries. Sequences and queries are ordered alphabetically by name. Classes are placed in listing order, in inheritance order within that, and in alphabetical order within that.

Author:

Stephen Kim

See Also:

Serialized Form

Constructor Summary

protected

XMLPersistenceMetaDataSerializer.SerializationComparator()

Method Summary

int	compare(Object o1, Object o2)
protected int	compareUnknown(Object o1, Object o2) Compare two unrecognized elements of the same type.

Methods inherited from class org.apache.openjpa.meta.MetaDataInheritanceComparator

toClass

Methods inherited from class org.apache.openjpa.meta.InheritanceComparator

getBase, setBase

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

Constructor Detail

XMLPersistenceMetaDataSerializer.SerializationComparator

protected XMLPersistenceMetaDataSerializer.SerializationComparator()

Method Detail

compare

public int compare(Object o1,
                   Object o2)

Specified by:

compare in interface Comparator

Overrides:

compare in class MetaDataInheritanceComparator

compareUnknown

protected int compareUnknown(Object o1,
                             Object o2)

Compare two unrecognized elements of the same type. Throws exception by default.