/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed 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.compass.gps.device.jpa;
import org.compass.core.Compass;
import org.compass.gps.spi.CompassGpsInterfaceDevice;
/**
* An abstract support class for event lifecycle JPA spec support. Requires the <code>JpaGpsDevice<code>
* instance to be provided (usual sub classes will simple fetch it from the Jndi location). This
* is the least prefereable way to use lifecycle event listerens, please see
* {@link JpaGpsDevice} and {@link org.compass.gps.device.jpa.lifecycle.JpaEntityLifecycleInjector}.
*
* @author kimchy
*/
public abstract class AbstractDeviceJpaEntityListener extends AbstractCompassJpaEntityListener {
protected abstract JpaGpsDevice getDevice();
protected Compass getCompass() {
return ((CompassGpsInterfaceDevice) getDevice().getGps()).getMirrorCompass();
}
protected boolean disable() {
return !getDevice().shouldMirrorDataChanges() || getDevice().isPerformingIndexOperation();
}
}