/*
* 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.bpel.engine;
import java.io.Serializable;
import java.util.Map;
import java.util.concurrent.Callable;
import javax.xml.namespace.QName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ode.bpel.dao.DeferredProcessInstanceCleanable;
import org.apache.ode.bpel.dao.ProcessDAO;
import org.apache.ode.bpel.engine.BpelServerImpl.ContextsAware;
import org.apache.ode.bpel.iapi.Scheduler.JobDetails;
import org.apache.ode.bpel.iapi.Scheduler.MapSerializableRunnable;
public class ProcessCleanUpRunnable implements MapSerializableRunnable, ContextsAware {
private static final long serialVersionUID = 1L;
private static final Log __log = LogFactory.getLog(ProcessCleanUpRunnable.class);
public final static int PROCESS_CLEANUP_TRANSACTION_SIZE = Integer.getInteger("org.apache.ode.processInstanceDeletion.transactionSize", 10);
private transient Contexts _contexts;
private transient Long _pidId;
public ProcessCleanUpRunnable() {
}
public ProcessCleanUpRunnable(Long pidId) {
_pidId = pidId;
}
public void storeToDetails(JobDetails details) {
details.getDetailsExt().put("pidId", _pidId);
}
public void restoreFromDetails(JobDetails details) {
_pidId = (Long) details.getDetailsExt().get("pidId");
}
public void setContexts(Contexts contexts) {
_contexts = contexts;
}
public void run() {
if(__log.isDebugEnabled()) __log.debug("Deleting runtime data for old process: " + _pidId + "...");
try {
// deleting of a process may involve hours' of database transaction,
// we need to break it down to smaller transactions
int transactionResultSize = 0;
do {
transactionResultSize = _contexts.scheduler.execTransaction(new Callable<Integer>() {
public Integer call() throws Exception {
ProcessDAO process = _contexts.dao.getConnection().createTransientProcess(_pidId);
if( !(process instanceof DeferredProcessInstanceCleanable) ) {
throw new IllegalArgumentException("ProcessDAO does not implement DeferredProcessInstanceCleanable!!!");
}
return ((DeferredProcessInstanceCleanable)process).deleteInstances(PROCESS_CLEANUP_TRANSACTION_SIZE);
}
});
if(__log.isDebugEnabled()) __log.debug("Deleted " + transactionResultSize + "instances for old process: " + _pidId + ".");
} while( transactionResultSize == PROCESS_CLEANUP_TRANSACTION_SIZE );
} catch (RuntimeException re) {
throw re;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if(__log.isInfoEnabled()) __log.info("Deleted runtime data for old process: " + _pidId + ".");
}
}