| /* |
| * 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 + "."); |
| } |
| } |