/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.model;
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import javax.transaction.Status;
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import javax.transaction.Synchronization;
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import org.jbpm.api.JbpmException;
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import org.jbpm.api.cmd.Command;
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import org.jbpm.api.cmd.Environment;
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import org.jbpm.pvm.internal.cmd.CommandService;
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import org.jbpm.pvm.internal.session.DbSession;
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import org.jbpm.pvm.internal.tx.Transaction;
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public class ExceptionHandlerSynchronization implements Synchronization, Command<Object> {
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private final ExceptionHandlerImpl exceptionHandler;
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private static final long serialVersionUID = 1L;
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protected ExecutionImpl execution;
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protected Exception exception;
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protected CommandService commandService;
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public ExceptionHandlerSynchronization(ExceptionHandlerImpl exceptionHandler, ExecutionImpl execution, Exception exception, CommandService commandService) {
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this.exceptionHandler = exceptionHandler;
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this.execution = execution;
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this.exception = exception;
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this.commandService = commandService;
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}
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public void afterCompletion(int status) {
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if (status!=Status.STATUS_ROLLEDBACK) {
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ExceptionHandlerImpl.log.info("WARNING: no rollback after transactional exception handler. did you forget to rollback the transaction ?");
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}
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commandService.execute(this);
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}
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public Object execute(Environment environment) {
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// reload the execution
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DbSession dbSession = environment.get(DbSession.class);
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if (dbSession==null) {
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throw new JbpmException("no "+DbSession.class.getName()+" available in the environment for reloading the execution");
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}
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execution = dbSession.get(ExecutionImpl.class, execution.getId());
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exceptionHandler.executeHandler(execution, exception);
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return null;
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}
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public void beforeCompletion() {
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}
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public void register(Transaction transaction) {
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// registration of the synchronization is delegated to the AfterTxCompletionListener
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// to avoid a dependency on class Synchronization in class ExceptionHandlerImpl
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transaction.registerSynchronization(this);
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}
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}
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