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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.mill.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.apache.commons.lang3.builder.ToStringBuilder;

/**
 * @author Daniel Bernstein
 */

@MappedSuperclass
public abstract class BaseEntity {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(columnDefinition = "bigint(20) AUTO_INCREMENT")
    protected Long id;

    @Column(nullable = false, columnDefinition = "datetime(3) NOT NULL")
    private Date modified;

    @Version
    @Column(nullable = false, columnDefinition = "int NOT NULL DEFAULT 0")
    private int version;

    public Long getId() {
        return id;
    }

    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;
    }

    public int getVersion() {
        return version;
    }

    public void setVersion(int version) {
        this.version = version;
    }

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

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this);
    }
}