com.keetip.versio.domain.Revision.java Source code

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Here is the source code for com.keetip.versio.domain.Revision.java

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/*
 * Copyright (c) 2014 Keetip
 * 
 * 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.
 * 
 * This product may include a number of subcomponents with separate copyright notices and
 * license terms. Your use of the source code for the these subcomponents is subject to
 * the terms and conditions of the subcomponent's license, as noted in the LICENSE file.
 */

package com.keetip.versio.domain;

import java.util.Date;
import java.util.UUID;

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

import com.keetip.ddd.domain.Entity;

/**
 * @author keetip
 * 
 */
public class Revision implements Entity<Revision> {

    private final UUID mUuid;
    private final Project mProject;
    private final Integer mRevisionNumber;

    private Date mDate;
    private String mAuthor;
    private String mComment;

    /**
     * Construct a new persisted Revision entity
     * 
     * @param project
     * @param uuid
     * @param revisionNumber
     */
    public Revision(Project project, UUID uuid, Integer revisionNumber) {
        Validate.notNull(project, "Project is required");
        Validate.notNull(uuid, "Revision id is required");
        Validate.notNull(revisionNumber, "Revision number is required");
        mProject = project;
        mUuid = uuid;
        mRevisionNumber = revisionNumber;
    }

    /**
     * Construct a new transient Revision entity
     * 
     * @param project
     * @param revisionNumber
     * @return
     */
    public static Revision newRevision(Project project, Integer revisionNumber) {
        return new Revision(project, UUID.randomUUID(), revisionNumber);
    }

    public Project getProject() {
        return mProject;
    }

    public UUID getUuid() {
        return mUuid;
    }

    public Date getDate() {
        return mDate;
    }

    public void setDate(Date date) {
        mDate = date;
    }

    public String getAuthor() {
        return mAuthor;
    }

    public void setAuthor(String author) {
        mAuthor = author;
    }

    public String getComment() {
        return mComment;
    }

    public void setComment(String comment) {
        mComment = comment;
    }

    public Integer getRevisionNumber() {
        return mRevisionNumber;
    }

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

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof Revision)) {
            return false;
        }
        Revision other = (Revision) obj;
        return sameIdentityAs(other);
    }

    public boolean sameIdentityAs(Revision other) {
        return new EqualsBuilder().append(mUuid, other.getRevisionNumber()).isEquals();
    }

}