ItemId.java

/*
 * Copyright 2011 JBoss Inc
 *
 * 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.drools.informer.xml;

import org.drools.informer.Item;

/**
 * An object representing the ID of an Item. Used by ChangeCollector to return Items to delete.  (Deletion of InvalidAnswers is handled separately.)
 * 
 * @author John Bebbington
 */
public class ItemId {
	private String id;

	public ItemId(Item item) {
		this.id = item.getId();
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	/**
	 * For debugging purposes.
	 */
	@Override
	public String toString() {
		return this.getClass().getName() + ": id=" + getId();
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((id == null) ? 0 : id.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		final ItemId other = (ItemId) obj;
		if (id == null) {
			if (other.id != null)
				return false;
		} else if (!id.equals(other.id))
			return false;
		return true;
	}

}