me.m1key.audiolicious.domain.entities.Library.java Source code

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Here is the source code for me.m1key.audiolicious.domain.entities.Library.java

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/* 
 * Audiolicious - Your Music Library Statistics
 * Copyright (C) 2011, Michal Huniewicz
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.m1key.me
 */

package me.m1key.audiolicious.domain.entities;

import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;

@Entity(name = "Library")
@Table(name = "LIBRARIES")
public class Library {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "LIBRARY_ID")
    private Long id;

    @Column(name = "UUID", unique = true, length = 36)
    private String uuid;

    @Column(name = "DATE_ADDED")
    @Temporal(TemporalType.TIME)
    private Date dateAdded;

    @OneToMany(mappedBy = "library", fetch = FetchType.LAZY, cascade = CascadeType.ALL, orphanRemoval = true)
    private Set<Stat> stats;

    // For proxying.
    protected Library() {
    }

    // Only used by NullEntitesFactory.
    Library(String uuid) {
        this.uuid = uuid;
    }

    public Library(Date dateAdded) {
        stats = new HashSet<Stat>();

        this.uuid = UUID.randomUUID().toString();
        this.dateAdded = dateAdded;
    }

    public String getUuid() {
        return uuid;
    }

    public Date getDateAdded() {
        return dateAdded;
    }

    public Set<Stat> getStats() {
        return Collections.unmodifiableSet(stats);
    }

    public void addStat(StatInfo defaultStatInfo) {
        stats.add(new Stat(defaultStatInfo, this));
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(uuid).toHashCode();
    }

    @Override
    public boolean equals(final Object other) {
        if (!(other instanceof Library))
            return false;
        Library castOther = (Library) other;
        return new EqualsBuilder().append(uuid, castOther.uuid).isEquals();
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this).append("uuid", uuid).append("dateAdded", dateAdded).toString();
    }
}