| /* |
| * 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 org.apache.ode.bpel.common.CorrelationKeySet; |
| import org.apache.ode.bpel.dao.MessageRouteDAO; |
| import org.apache.ode.bpel.dao.ProcessInstanceDAO; |
| import org.apache.ode.bpel.common.CorrelationKey; |
| import org.apache.ode.daohib.SessionManager; |
| import org.apache.ode.daohib.bpel.hobj.HCorrelatorSelector; |
| import org.apache.ode.daohib.bpel.hobj.HProcessInstance; |
| import org.hibernate.Query; |
| |
| /** |
| * Hibernate-based {@link MessageRouteDAO} implementation. |
| */ |
| class MessageRouteDaoImpl extends HibernateDao implements MessageRouteDAO { |
| |
| private static final String LOCK_INSTANCE = "update " + HProcessInstance.class.getName() |
| + " set lock=lock+1 where id=?"; |
| |
| private HCorrelatorSelector _selector; |
| |
| private boolean _locked = false; |
| |
| public MessageRouteDaoImpl(SessionManager sm, HCorrelatorSelector hobj) { |
| super(sm, hobj); |
| entering("MessageRouteDaoImpl.MessageRouteDaoImpl"); |
| _selector = hobj; |
| } |
| |
| /** |
| * @see org.apache.ode.bpel.dao.MessageRouteDAO#getTargetInstance() |
| */ |
| public ProcessInstanceDAO getTargetInstance() { |
| entering("MessageRouteDaoImpl.getTargetInstance"); |
| // First we need to reliably lock the instance: |
| if (!_locked) { |
| Query q = getSession().createQuery(LOCK_INSTANCE); |
| q.setLong(0, _selector.getInstance().getId()); |
| q.executeUpdate(); |
| _locked = true; |
| } |
| |
| // now it is safe to return |
| return new ProcessInstanceDaoImpl(_sm, _selector.getInstance()); |
| } |
| |
| public String getGroupId() { |
| entering("MessageRouteDaoImpl.getGroupId"); |
| return _selector.getGroupId(); |
| } |
| |
| public int getIndex() { |
| entering("MessageRouteDaoImpl.getIndex"); |
| return _selector.getIndex(); |
| } |
| |
| public String getRoute() { |
| return _selector.getRoute(); |
| } |
| |
| public CorrelationKeySet getCorrelationKeySet() { |
| return new CorrelationKeySet(_selector.getCorrelationKey()); |
| } |
| |
| public void setCorrelationKeySet(CorrelationKeySet keySet) { |
| _selector.setCorrelationKey(keySet.toCanonicalString()); |
| } |
| |
| public void setCorrelationKey(CorrelationKey key) { |
| _selector.setCorrelationKey(key.toCanonicalString()); |
| } |
| |
| public CorrelationKey getCorrelationKey() { |
| return new CorrelationKey(_selector.getCorrelationKey()); |
| } |
| |
| } |