ReceiptItemComparator.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.erp.purchase;
 
import java.util.Comparator;
import org.turro.erp.entity.ReceiptItem;
import org.turro.util.CompareUtil;
 
public class ReceiptItemComparator implements Comparator<ReceiptItem> {
 
  @Override
  public int compare(ReceiptItem o1, ReceiptItem o2) {
    int result = CompareUtil.compare(o1.getProviderId(), o2.getProviderId());
    if(result == 0) {
      result = CompareUtil.compare(o1.getDocumentDate(), o2.getDocumentDate());
    }
    if(result == 0) {
      result = CompareUtil.compare(o1.getDocumentNumber(), o2.getDocumentNumber());
    }
    return result;
  }
 
}