org.deegree.io.datastore.idgenerator
Class ParentIDGenerator

java.lang.Object
  org.deegree.io.datastore.idgenerator.IdGenerator
      org.deegree.io.datastore.idgenerator.ParentIDGenerator

public class ParentIDGenerator
extends IdGenerator

IdGenerator that takes the FeatureId of the parent feature.

Version:

$Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $

Author:

Markus Schneider , last edited by: $Author: mschneider $

Field Summary

Fields inherited from class org.deegree.io.datastore.idgenerator.IdGenerator

ft, params, TYPE_UUID

Constructor Summary

ParentIDGenerator(java.util.Properties params)
Creates a new ParentIDGenerator instance.

Method Summary

java.lang.String	getNewId(DatastoreTransaction ta) Returns a new primary key.
FeatureId	getNewId(MappedFeatureType ft, DatastoreTransaction ta) Returns a new id for a feature of the given type.

Methods inherited from class org.deegree.io.datastore.idgenerator.IdGenerator

getInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

ParentIDGenerator

public ParentIDGenerator(java.util.Properties params)

Creates a new ParentIDGenerator instance.

Parameters:

params - configuration parameters

Method Detail

getNewId

public java.lang.String getNewId(DatastoreTransaction ta)
                          throws IdGenerationException

Returns a new primary key.

Specified by:

getNewId in class IdGenerator

Parameters:

ta - datastore transaction (context)

Returns:

a new primary key.

Throws:

IdGenerationException - if the generation of the id could not be performed

getNewId

public FeatureId getNewId(MappedFeatureType ft,
                          DatastoreTransaction ta)
                   throws IdGenerationException

Returns a new id for a feature of the given type.

Specified by:

getNewId in class IdGenerator

Parameters:

ft - (mapped) feature type (irrelevant for this generator)

ta - datastore transaction (context)

Returns:

a new feature id.

Throws:

IdGenerationException