jp.go.nict.langrid.dao.entity.UpdateManagedEntity.java Source code

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Here is the source code for jp.go.nict.langrid.dao.entity.UpdateManagedEntity.java

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/*
 * $Id$
 *
 * This is a program for Language Grid Core Node. This combines multiple language resources and provides composite language services.
 * Copyright (C) 2009 NICT Language Grid Project.
 *
 * This program 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 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 Lesser 
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package jp.go.nict.langrid.dao.entity;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.List;

import javax.persistence.MappedSuperclass;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import jp.go.nict.langrid.commons.util.CalendarUtil;

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

/**
 * 
 * 
 * @author Takao Nakaguchi
 * @author $Author$
 * @version $Revision$
 */
@MappedSuperclass
public abstract class UpdateManagedEntity {
    /**
     * 
     * 
     */
    public UpdateManagedEntity() {
    }

    /**
     * 
     * 
     */
    public UpdateManagedEntity(Calendar createdDateTime, Calendar updatedDateTime) {
        this.createdDateTime = createdDateTime;
        this.updatedDateTime = updatedDateTime;
    }

    @Override
    public boolean equals(Object value) {
        if (value == null)
            return false;
        if (!(getClass().equals(value.getClass())))
            return false;
        List<String> appendedFields = new ArrayList<String>();
        EqualsBuilder b = new EqualsBuilder();
        appendSpecialEquals(b, value, appendedFields, false);
        return EqualsBuilder.reflectionEquals(this, value, appendedFields) && b.isEquals();
    }

    /**
     * 
     * 
     */
    public boolean equalsIgnoreDates(Object value) {
        if (value == null)
            return false;
        if (!(getClass().equals(value.getClass())))
            return false;
        List<String> appendedFields = new ArrayList<String>();
        appendedFields.add("createdDateTime");
        appendedFields.add("updatedDateTime");
        EqualsBuilder b = new EqualsBuilder();
        appendSpecialEquals(b, value, appendedFields, true);
        return EqualsBuilder.reflectionEquals(this, value, appendedFields) && b.isEquals();
    }

    @Override
    public int hashCode() {
        List<String> appendedFields = new ArrayList<String>();
        HashCodeBuilder b = new HashCodeBuilder();
        appendSpecialHashCode(b, appendedFields);
        return new HashCodeBuilder().appendSuper(HashCodeBuilder.reflectionHashCode(this, appendedFields))
                .appendSuper(b.toHashCode()).toHashCode();
    }

    @Override
    public String toString() {
        ReflectionToStringBuilder b = new ReflectionToStringBuilder(this);
        b.setExcludeFieldNames(new String[] { "createdDateTime", "updatedDateTime" });
        b.append("createdDateTime", createdDateTime != null ? CalendarUtil.formatToDefault(createdDateTime) : null);
        b.append("updatedDateTime", updatedDateTime != null ? CalendarUtil.formatToDefault(updatedDateTime) : null);
        return b.toString();
    }

    /**
     * 
     * 
     */
    public Calendar getCreatedDateTime() {
        return createdDateTime;
    }

    /**
     * 
     * 
     */
    public void setCreatedDateTime(Calendar createdDateTime) {
        this.createdDateTime = createdDateTime;
    }

    /**
     * 
     * 
     */
    public Calendar getUpdatedDateTime() {
        return updatedDateTime;
    }

    /**
     * 
     * 
     */
    public void setUpdatedDateTime(Calendar updatedDateTime) {
        this.updatedDateTime = updatedDateTime;
    }

    /**
     * 
     * 
     */
    public void touchUpdatedDateTime() {
        setUpdatedDateTime(Calendar.getInstance());
    }

    /**
     * 
     * 
     */
    protected EqualsBuilder appendSpecialEquals(EqualsBuilder builder, Object value,
            Collection<String> appendedFields, boolean ignoreDates) {
        return builder;
    }

    /**
     * 
     * 
     */
    protected HashCodeBuilder appendSpecialHashCode(HashCodeBuilder builder, Collection<String> appendedFields) {
        return builder;
    }

    @Temporal(TemporalType.TIMESTAMP)
    private Calendar createdDateTime;

    @Temporal(TemporalType.TIMESTAMP)
    private Calendar updatedDateTime;

    {
        Calendar now = Calendar.getInstance();
        createdDateTime = now;
        updatedDateTime = now;
    }
}