DocumentModel.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2019 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.financials.contract.www;
 
import java.util.Collection;
import org.turro.elephant.db.WhereClause;
import org.turro.financials.db.FinancialsPU;
import org.turro.financials.entity.Contract;
import org.turro.jpa.Dao;
 
public class DocumentModel {
 
  public Long getDocumentsCount() {
    WhereClause wc = new WhereClause();
    wc.addClause("select count(doc) from Document doc");
    return (Long) getDao().getSingleResultOrNull(wc);
  }
  
  public Long getDocumentsCount(Collection<Contract> contracts) {
    if(contracts == null || contracts.isEmpty()) return null;
    WhereClause wc = new WhereClause();
    wc.addClause("select count(doc) from Document doc");
    wc.addClause("where doc.contract in :contracts");
    wc.addNamedValue("contracts", contracts);
    return (Long) getDao().getSingleResultOrNull(wc);
  }
  
  /* Dao */
  
  private Dao _dao;
  
  private Dao getDao() {
    if(_dao == null) {
      _dao = new FinancialsPU();
    }
    return _dao;
  }
  
}