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/*
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 *     http://duracloud.org/license/
 */
package org.duracloud.account.db.model;

import java.util.Date;

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

import org.hibernate.annotations.GenericGenerator;

/**
 * @author Erik Paulsson
 *         Date: 7/10/13
 */
@MappedSuperclass
public abstract class BaseEntity implements Identifiable {

    @Id
    @GeneratedValue(strategy=GenerationType.AUTO, generator="idOrGenerate")
    @GenericGenerator(name="idOrGenerate",
                      strategy="org.duracloud.account.db.model.util.UseIdOrGenerate")
    @Column(columnDefinition="bigint(20) AUTO_INCREMENT")
    protected Long id;


    @Version
    private Date modified;

    @Override
    public Long getId() {
        return id;
    }

    @Override
    public void setId(Long id) {
        this.id = id;
    }

    public Date getModified() {
        return modified;
    }

    public void setModified(Date modified) {
        this.modified = modified;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        BaseEntity that = (BaseEntity) o;

        if (id != null ? !id.equals(that.id) : that.id != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        return id != null ? id.hashCode() : 0;
    }
}