javax.enterprise.deploy.model.XpathEvent Maven / Gradle / Ivy
/*
* 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.
*/
//
// This source code implements specifications defined by the Java
// Community Process. In order to remain compliant with the specification
// DO NOT add / change / or delete method signatures!
//
package javax.enterprise.deploy.model;
import java.beans.PropertyChangeEvent;
/**
* An Event class describing DDBeans being added to or removed from a J2EE
* application, or updated in place.
*
* @version $Rev: 467553 $ $Date: 2006-10-24 21:01:51 -0700 (Tue, 24 Oct 2006) $
*/
public class XpathEvent {
/**
* Adding a DDBean
*/
public static final Object BEAN_ADDED = new Object();
/**
* Removing a DDBean
*/
public static final Object BEAN_REMOVED = new Object();
/**
* Changing a DDBean
*/
public static final Object BEAN_CHANGED = new Object();
private PropertyChangeEvent pce;
private DDBean bean;
private Object type;
/**
* A description of a change in the DDBean tree.
*
* @param bean The DDBean being added, removed, or updated.
* @param type Indicates whether this is an add, remove, or update event.
*/
public XpathEvent(DDBean bean, Object type) {
this.bean = bean;
this.type = type;
}
/**
* Gets the underlying property change event, with new and
* old values. This is typically used for change events.
* It is not in the public API, but is included in the
* downloadable JSR-88 classes.
*/
public PropertyChangeEvent getChangeEvent() {
return pce;
}
/**
* Sets the underlying property change event, with new and
* old values. This is typically used for change events.
* It is not in the public API, but is included in the
* downloadable JSR-88 classes.
*
* @param pce The property change event that triggered this XpathEvent.
*/
public void setChangeEvent(PropertyChangeEvent pce) {
this.pce = pce;
}
/**
* The bean being added/removed/changed.
*
* @return The bean being added/removed/changed.
*/
public DDBean getBean() {
return bean;
}
/**
* Is this an add event?
*
* @return true if this is an add event.
*/
public boolean isAddEvent() {
return BEAN_ADDED == type;
}
/**
* Is this a remove event?
*
* @return true if this is a remove event.
*/
public boolean isRemoveEvent() {
return BEAN_REMOVED == type;
}
/**
* Is this a change event?
*
* @return true if this is a change event.
*/
public boolean isChangeEvent() {
return BEAN_CHANGED == type;
}
}