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Cayenne Object Persistence Framework
/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
****************************************************************/
package org.apache.cayenne;
/**
* A convenience base superclass for concrete Persistent objects. Provides implementation
* of properties declared in Persistent interface.
* POJO Note
*
* If having PersistentObject as a superclass presents a problem in an application, source
* code of this class can be copied verbatim to a custom class generation template.
* Desired superclass can be set in CayenneModeler.
*
*
* @since 1.2
* @author Andrus Adamchik
*/
public abstract class PersistentObject implements Persistent {
protected ObjectId objectId;
protected int persistenceState;
protected transient ObjectContext objectContext;
/**
* Creates a new transient object.
*/
public PersistentObject() {
this.persistenceState = PersistenceState.TRANSIENT;
}
public int getPersistenceState() {
return persistenceState;
}
public void setPersistenceState(int persistenceState) {
this.persistenceState = persistenceState;
if (persistenceState == PersistenceState.TRANSIENT) {
this.objectContext = null;
}
}
public ObjectContext getObjectContext() {
return objectContext;
}
public void setObjectContext(ObjectContext objectContext) {
this.objectContext = objectContext;
}
public ObjectId getObjectId() {
return objectId;
}
public void setObjectId(ObjectId objectId) {
this.objectId = objectId;
}
public String toString() {
String state = PersistenceState.persistenceStateName(getPersistenceState());
StringBuffer buffer = new StringBuffer();
buffer
.append("<")
.append(getClass().getName())
.append("@")
.append(System.identityHashCode(this))
.append(", id=")
.append(objectId)
.append(", state=")
.append(state)
.append(", context=")
.append(objectContext)
.append(">");
return buffer.toString();
}
}
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