/*
* 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.kie.server.integrationtests.drools;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import org.junit.BeforeClass;
import org.junit.Test;
import org.kie.api.KieServices;
import org.kie.api.command.BatchExecutionCommand;
import org.kie.api.command.Command;
import org.kie.api.runtime.ExecutionResults;
import org.kie.api.runtime.KieContainer;
import org.kie.server.api.model.ReleaseId;
import org.kie.server.api.model.ServiceResponse;
import org.kie.server.client.KieServicesClient;
import org.kie.server.client.RuleServicesClient;
import org.kie.server.integrationtests.shared.KieServerDeployer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ConcurrentRequestsIntegrationTest extends DroolsKieServerBaseIntegrationTest {
private static Logger logger = LoggerFactory.getLogger(Worker.class);
private static ReleaseId releaseId = new ReleaseId("org.kie.server.testing", "stateless-session-kjar", "1.0.0-SNAPSHOT");
private static final String CONTAINER_ID = "kie-concurrent";
private static final int NR_OF_THREADS = 5;
private static final int NR_OF_REQUESTS_PER_THREAD = 20;
private static final String KIE_SESSION = "kbase1.stateless";
private static final String PERSON_OUT_IDENTIFIER = "person1";
private static final String PERSON_CLASS_NAME = "org.kie.server.testing.Person";
private static final String PERSON_NAME = "Darth";
@BeforeClass
public static void initialize() throws Exception {
KieServerDeployer.buildAndDeployCommonMavenParent();
KieServerDeployer.buildAndDeployMavenProject(ClassLoader.class.getResource("/kjars-sources/stateless-session-kjar").getFile());
createContainer(CONTAINER_ID, releaseId);
}
@Override
protected void addExtraCustomClasses(Map<String, Class<?>> extraClasses) throws Exception {
if (extraClasses.isEmpty()) {
KieContainer kieContainer = KieServices.Factory.get().newKieContainer(releaseId);
extraClasses.put(PERSON_CLASS_NAME, Class.forName(PERSON_CLASS_NAME, true, kieContainer.getClassLoader()));
}
}
@Test
public void testCallingStatelessSessionFromMultipleThreads() throws Exception {
List<Future<String>> futureResults = new ArrayList<Future<String>>();
ExecutorService es = Executors.newFixedThreadPool(NR_OF_THREADS);
for (int i = 0; i < NR_OF_THREADS; i++) {
futureResults.add(es.submit(new Worker(createDefaultClient())));
}
es.shutdown();
for (Future<String> future : futureResults) {
assertEquals("SUCCESS", future.get());
}
}
public class Worker implements Callable<String> {
private final RuleServicesClient ruleServicesClient;
public Worker(KieServicesClient client) {
this.ruleServicesClient = client.getServicesClient(RuleServicesClient.class);
}
@Override
public String call() {
List<Command<?>> commands = new ArrayList<Command<?>>();
BatchExecutionCommand batchExecution = commandsFactory.newBatchExecution(commands, KIE_SESSION);
Object person = createInstance(PERSON_CLASS_NAME, PERSON_NAME, "");
commands.add(commandsFactory.newInsert(person, PERSON_OUT_IDENTIFIER));
long threadId = Thread.currentThread().getId();
ServiceResponse<ExecutionResults> reply;
for (int i = 0; i < NR_OF_REQUESTS_PER_THREAD; i++) {
logger.trace("Container call #{}, thread-id={}", i, threadId);
reply = ruleServicesClient.executeCommandsWithResults(CONTAINER_ID, batchExecution);
logger.trace("Container reply for request #{}: {}, thread-id={}", i, reply, threadId);
assertEquals(ServiceResponse.ResponseType.SUCCESS, reply.getType());
}
return "SUCCESS";
}
}
}