models.PersistentObjectModel.java Source code

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Here is the source code for models.PersistentObjectModel.java

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/*
 * Sentilab SARE: a Sentiment Analysis Research Environment
 * Copyright (C) 2013 Sabanci University Sentilab
 * http://sentilab.sabanciuniv.edu
 * 
 * This file is part of SARE.
 * 
 * SARE 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.
 *  
 * SARE 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 SARE. If not, see <http://www.gnu.org/licenses/>.
 */

package models;

import java.util.UUID;

import org.apache.commons.lang3.StringUtils;
import org.codehaus.jackson.annotate.JsonIgnore;

import edu.sabanciuniv.sentilab.sare.models.base.PersistentObject;
import edu.sabanciuniv.sentilab.utils.UuidUtils;
import models.base.ViewModel;

public class PersistentObjectModel extends ViewModel {

    public String id;

    public PersistentObjectModel(PersistentObject object) {
        super(object);

        if (object != null) {
            this.id = UuidUtils.normalize(object.getIdentifier());
        }
    }

    public PersistentObjectModel() {
        this(null);
    }

    @JsonIgnore
    public UUID getIdentifier() {
        return this.id == null ? null : UuidUtils.create(this.id);
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof PersistentObjectModel) {
            if (super.equals(obj) || StringUtils.isEmpty(this.type)
                    || StringUtils.isEmpty(((PersistentObjectModel) obj).type)) {
                return StringUtils.equals(this.id, ((PersistentObjectModel) obj).id);
            }
        }

        return super.equals(obj);
    }

    @Override
    public int hashCode() {
        return super.hashCode() + this.id.hashCode();
    }
}