Package org.apache.ode.daohib.bpel

Source Code of org.apache.ode.daohib.bpel.ProcessManagementDaoImpl

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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.
*/

package org.apache.ode.daohib.bpel;

import java.util.Collection;
import java.util.List;

import org.apache.ode.bpel.common.InstanceFilter;
import org.apache.ode.bpel.dao.BpelDAOConnection;
import org.apache.ode.bpel.dao.ProcessInstanceDAO;
import org.apache.ode.bpel.dao.ProcessManagementDAO;
import org.apache.ode.daohib.SessionManager;
import org.apache.ode.daohib.bpel.hobj.HProcessInstance;
import org.hibernate.Query;
import org.hibernate.transform.ResultTransformer;

public class ProcessManagementDaoImpl extends HibernateDao implements ProcessManagementDAO {
  protected ProcessManagementDaoImpl(SessionManager sessionManager) {
    super(sessionManager, null);
  }

  @SuppressWarnings("unchecked")
  public Object[] findFailedCountAndLastFailedDateForProcessId(BpelDAOConnection conn, String status, String processId) {
    Object[] results = new Object[] {0, null};
   
    Query query = getSession().getNamedQuery(HProcessInstance.COUNT_FAILED_INSTANCES_BY_PROCESS_IDS_AND_STATES);
    query.setParameterList("states", new InstanceFilter("status=" + status).convertFilterState());
    query.setParameterList("processIds", new String[] {processId});
    query.setResultTransformer(new ResultTransformer() {
      private static final long serialVersionUID = 8034301512569916379L;

      public List transformList(List collection) {
        return collection;
      }
      public Object transformTuple(Object[] tuple, String[] aliases) {
        return tuple;
      }
    });
   
    List result = query.list();
    if( !result.isEmpty() ) {
      results = (Object[])result.iterator().next();
    }
   
    return results;
  }
 
  public void prefetchActivityFailureCounts(Collection<ProcessInstanceDAO> instances) {
    // do nothing; activity failures counts are already in a column
  }
}
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