deegree 2.5 (2011/06/29 09:44 build-8-official)

org.deegree.io.datastore.idgenerator
Class UUIDGenerator

java.lang.Object
  extended by org.deegree.io.datastore.idgenerator.IdGenerator
      extended by org.deegree.io.datastore.idgenerator.UUIDGenerator

public class UUIDGenerator
extends IdGenerator

Primary key and FeatureId generator that is based on UUIDs.

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
UUIDGenerator(java.util.Properties params)
          Creates a new UUIDGenerator 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

UUIDGenerator

public UUIDGenerator(java.util.Properties params)
              throws IdGenerationException
Creates a new UUIDGenerator instance.

Supported configuration parameters:

Name optional? Usage
macAddress yes specify MAC address component of UUID

Parameters:
params - configuration parameters
Throws:
IdGenerationException
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

deegree 2.5 (2011/06/29 09:44 build-8-official)

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For more information visit: http://www.deegree.org