UserGroupId.java

/* Jug Management is a web application conceived to manage user groups or 
 * communities focused on a certain domain of knowledge, whose members are 
 * constantly sharing information and participating in social and educational 
 * events. Copyright (C) 2011 Ceara Java User Group - CEJUG.
 * 
 * This application is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by the 
 * Free Software Foundation; either version 2.1 of the License, or (at your 
 * option) any later version.
 * 
 * This application is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 * 
 * There is a full copy of the GNU Lesser General Public License along with 
 * this library. Look for the file license.txt at the root level. If you do not
 * find it, write to the Free Software Foundation, Inc., 59 Temple Place, 
 * Suite 330, Boston, MA 02111-1307 USA.
 * */
package org.cejug.yougi.entity;

import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Embeddable;

/**
 * @author Hildeberto Mendonca  - http://www.hildeberto.com
 */
@Embeddable
public class UserGroupId implements Serializable {
    private static final long serialVersionUID = 1L;

    @Column(name = "group_id", nullable = false)
    private String groupId;
    
    @Column(name = "user_id", nullable= false)
    private String userId;

    public UserGroupId() {
    }

    public UserGroupId(String groupId, String userId) {
        this.groupId = groupId;
        this.userId = userId;
    }

    public String getGroupId() {
        return groupId;
    }

    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }

    public String getUserId() {
        return userId;
    }

    public void setUserId(String userId) {
        this.userId = userId;
    }

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (groupId != null ? groupId.hashCode() : 0);
        hash += (userId != null ? userId.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        if (!(object instanceof UserGroupId)) {
            return false;
        }
        UserGroupId other = (UserGroupId) object;
        if ((this.groupId == null && other.groupId != null) || (this.groupId != null && !this.groupId.equals(other.groupId))) {
            return false;
        }
        if ((this.userId == null && other.userId != null) || (this.userId != null && !this.userId.equals(other.userId))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "[groupId=" + groupId + ", userId=" + userId + "]";
    }
}