/*
 * Copyright 2008-2011 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.jdal.model;

import java.io.Serializable;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.jdal.beans.StaticMessageSource;

@MappedSuperclass
public class Entity implements Serializable  {

	private static final long serialVersionUID = 1L;
	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	protected Long id;
	protected String name = "";

	/**
	 * @return the id
	 */
	public Long getId() {
		return id;
	}

	/**
	 * @param id the id to set
	 */
	public void setId(Long id) {
		this.id = id;
	}

	/**
	 * @return the name
	 */
	public String getName() {
		return name;
	}

	/**
	 * @param name the name to set
	 */
	public void setName(String name) {
		this.name = name;
	}

	public String toString() {
		return id == null? StaticMessageSource.getMessage("New") : name;
	}
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public int hashCode() {
		return new HashCodeBuilder().append(this.id).hashCode();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean equals(Object obj) {
		if (obj == null)
			return false;
		
		if (!getClass().equals(obj.getClass())) {
		     return false;
		}
		
		if (this == obj) {
			return true;
		}
		
		Entity rhs = (Entity) obj;
		
		return new EqualsBuilder()
			.append(id, rhs.id)
			.isEquals();
	}
	
}