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/*
* 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.openjpa.event;
import java.util.EventObject;
/**
* Lifecycle event on a persistent instance. The event source
* is the persistent instance whose state has changed.
*
* @author Steve Kim
* @author Abe White
* @since 0.3.3
*/
public class LifecycleEvent
extends EventObject {
/**
* Event type before an instance is made persistent
*/
public static final int BEFORE_PERSIST = 0;
/**
* Event type when an instance is made persistent
*/
public static final int AFTER_PERSIST = 1;
/**
* Event type when an instance is made persistent, after the record has
* been written to the store
*/
public static final int AFTER_PERSIST_PERFORMED = 18;
/**
* Event type when an instance is loaded.
*/
public static final int AFTER_LOAD = 2;
/**
* Event type when an instance is stored.
*/
public static final int BEFORE_STORE = 3;
/**
* Event type when an instance is stored.
*/
public static final int AFTER_STORE = 4;
/**
* Event type when an instance is cleared.
*/
public static final int BEFORE_CLEAR = 5;
/**
* Event type when an instance is cleared.
*/
public static final int AFTER_CLEAR = 6;
/**
* Event type when an instance is deleted.
*/
public static final int BEFORE_DELETE = 7;
/**
* Event type when an instance is deleted.
*/
public static final int AFTER_DELETE = 8;
/**
* Event type when an instance is deleted, after the record has been
* deleted from the store.
*/
public static final int AFTER_DELETE_PERFORMED = 19;
/**
* Event type when an instance is dirtied for the first time.
*/
public static final int BEFORE_DIRTY = 9;
/**
* Event type when an instance is dirtied for the first time.
*/
public static final int AFTER_DIRTY = 10;
/**
* Event type when an instance is dirtied for the first time after flush.
*/
public static final int BEFORE_DIRTY_FLUSHED = 11;
/**
* Event type when an instance is dirtied for the first time after flush.
*/
public static final int AFTER_DIRTY_FLUSHED = 12;
/**
* Event type when an instance is detached.
*/
public static final int BEFORE_DETACH = 13;
/**
* Event type when an instance is detached.
*/
public static final int AFTER_DETACH = 14;
/**
* Event type when an instance is attached.
*/
public static final int BEFORE_ATTACH = 15;
/**
* Event type when an instance is attached.
*/
public static final int AFTER_ATTACH = 16;
/**
* Event type when an instances is refreshed.
*/
public static final int AFTER_REFRESH = 17;
/**
* Event type when an instance is modified. This is not invoked for
* PNEW records, but is invoked for PNEWFLUSHED.
*/
public static final int BEFORE_UPDATE = 20;
/**
* Event type when an instance is modified, after the change has been
* sent to the store. This is not invoked for PNEW records, but is
* invoked for PNEWFLUSHED records.
*/
public static final int AFTER_UPDATE_PERFORMED = 21;
/**
* Convenience array of all event types.
*/
public static final int[] ALL_EVENTS = new int[]{
BEFORE_PERSIST,
AFTER_PERSIST,
AFTER_PERSIST_PERFORMED,
AFTER_LOAD,
BEFORE_STORE,
AFTER_STORE,
BEFORE_CLEAR,
AFTER_CLEAR,
BEFORE_DELETE,
AFTER_DELETE,
AFTER_DELETE_PERFORMED,
BEFORE_DIRTY,
AFTER_DIRTY,
BEFORE_DIRTY_FLUSHED,
AFTER_DIRTY_FLUSHED,
BEFORE_DETACH,
AFTER_DETACH,
BEFORE_ATTACH,
AFTER_ATTACH,
AFTER_REFRESH,
BEFORE_UPDATE,
AFTER_UPDATE_PERFORMED,
};
private final int _type;
private final Object _related;
/**
* Constructor.
*
* @param pc the persistent instance that triggered the event
* @param type the event type
*/
public LifecycleEvent(Object pc, int type) {
this(pc, null, type);
}
/**
* Constructor.
*
* @param pc the persistent instance that triggered the event
* @param type the event type
* @param related the related instance such as the detached copy.
*/
public LifecycleEvent(Object pc, Object related, int type) {
super(pc);
_type = type;
_related = related;
}
/**
* Return the event type.
*/
public int getType() {
return _type;
}
/**
* Return the related object.
*/
public Object getRelated ()
{
return _related;
}
}
