/* 
 * Copyright 2010-2011 Ning, Inc.
 *
 * Ning 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 com.ning.billing.entitlement.engine.core;

import java.util.UUID;
import com.ning.billing.util.notificationq.NotificationKey;

public class EntitlementNotificationKey implements NotificationKey {

	private static final String DELIMITER = ":";
	
	private final UUID eventId;
	private final int seqId;
	
	public EntitlementNotificationKey(final UUID eventId, int seqId) {
		this.eventId = eventId;
		this.seqId = seqId;
	}

	public EntitlementNotificationKey(final UUID eventId) {
		this(eventId, 0);
	}
	
	public EntitlementNotificationKey(final String input) {
			
		String [] parts = input.split(DELIMITER);
		eventId = UUID.fromString(parts[0]);
		if (parts.length == 2) {
			seqId = Integer.valueOf(parts[1]);
		} else {
			seqId = 0;
		}
	}
	
	public UUID getEventId() {
		return eventId;
	}

	public int getSeqId() {
		return seqId;
	}

	public String toString() {
		if (seqId == 0) {
			return eventId.toString();
		} else {
			return eventId.toString() + ":" + seqId;
		}
	}

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

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