/*
* 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.ode.jacob.soup;
/**
* Base class for items we find in the {@link ExecutionQueue}.
*
* @author Maciej Szefler <a href="mailto:mbs@fivesight.com">mbs</a>
*/
public class ExecutionQueueObject {
/**
* A unique idefntifer for this object in the queue (should only be set by queue).
*/
private Object _id;
/**
* A human-readable description of the object.
*/
private String _description;
public String getDescription() {
return _description;
}
public void setDescription(String description) {
if (_description != null) {
throw new IllegalStateException("Description already set for " + this);
}
_description = description;
}
public void setId(Object id) {
if (_id != null) {
throw new IllegalStateException("Object id already set for " + this);
}
_id = id;
}
public Object getId() {
return _id;
}
public boolean equals(Object obj) {
if (_id == null || ((ExecutionQueueObject) obj)._id == null) {
return this == obj;
}
return ((ExecutionQueueObject) obj)._id.equals(_id);
}
}