/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.jbpm.test;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.junit.rules.MethodRule;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
import org.kie.internal.runtime.StatefulKnowledgeSession;
public class KnowledgeSessionCleanup implements MethodRule {
protected static ThreadLocal<Set<StatefulKnowledgeSession>> knowledgeSessionSetLocal = new ThreadLocal<Set<StatefulKnowledgeSession>>();
static {
knowledgeSessionSetLocal.set(new HashSet<StatefulKnowledgeSession>());
}
public static void addKnowledgeSessionForCleanup(StatefulKnowledgeSession ksession) {
knowledgeSessionSetLocal.get().add(ksession);
}
public Statement apply(final Statement base, FrameworkMethod method, Object target) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
try {
base.evaluate();
} finally {
Set<StatefulKnowledgeSession> ksessionSet = knowledgeSessionSetLocal.get();
if (!ksessionSet.isEmpty()) {
// return'ing here will keep throwables (above) from being thrown!
Iterator<StatefulKnowledgeSession> iter = ksessionSet.iterator();
while (iter.hasNext()) {
StatefulKnowledgeSession ksession = iter.next();
if (ksession != null) {
try {
ksession.dispose();
} catch (Throwable t) {
// Don't log anything if dispose() fails
// Maybe the test already disposed of the ksession, who knows -- it doesn't matter
}
}
iter.remove();
}
}
}
}
};
}
}