/**
* 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.activemq.broker.scheduler;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.store.kahadb.scheduler.JobSchedulerStoreImpl;
import org.apache.activemq.util.ByteSequence;
import org.apache.activemq.util.IOHelper;
import org.apache.activemq.util.Wait;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JobSchedulerStoreCheckpointTest {
static final Logger LOG = LoggerFactory.getLogger(JobSchedulerStoreCheckpointTest.class);
private JobSchedulerStoreImpl store;
private JobScheduler scheduler;
private ByteSequence payload;
@Before
public void setUp() throws Exception {
File directory = new File("target/test/ScheduledJobsDB");
IOHelper.mkdirs(directory);
IOHelper.deleteChildren(directory);
startStore(directory);
byte[] data = new byte[8192];
for (int i = 0; i < data.length; ++i) {
data[i] = (byte) (i % 256);
}
payload = new ByteSequence(data);
}
protected void startStore(File directory) throws Exception {
store = new JobSchedulerStoreImpl();
store.setDirectory(directory);
store.setCheckpointInterval(5000);
store.setCleanupInterval(10000);
store.setJournalMaxFileLength(10 * 1024);
store.start();
scheduler = store.getJobScheduler("test");
scheduler.startDispatching();
}
private int getNumJournalFiles() throws IOException {
return store.getJournal().getFileMap().size();
}
@After
public void tearDown() throws Exception {
scheduler.stopDispatching();
store.stop();
}
@Test
public void test() throws Exception {
final int COUNT = 10;
final CountDownLatch latch = new CountDownLatch(COUNT);
scheduler.addListener(new JobListener() {
@Override
public void scheduledJob(String id, ByteSequence job) {
latch.countDown();
}
});
long time = TimeUnit.SECONDS.toMillis(30);
for (int i = 0; i < COUNT; i++) {
scheduler.schedule("id" + i, payload, "", time, 0, 0);
}
int size = scheduler.getAllJobs().size();
assertEquals(size, COUNT);
LOG.info("Number of journal log files: {}", getNumJournalFiles());
// need a little slack so go over 60 seconds
assertTrue(latch.await(70, TimeUnit.SECONDS));
assertEquals(0, latch.getCount());
for (int i = 0; i < COUNT; i++) {
scheduler.schedule("id" + i, payload, "", time, 0, 0);
}
LOG.info("Number of journal log files: {}", getNumJournalFiles());
// need a little slack so go over 60 seconds
assertTrue(latch.await(70, TimeUnit.SECONDS));
assertEquals(0, latch.getCount());
assertTrue("Should be only one log left: " + getNumJournalFiles(), Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getNumJournalFiles() == 1;
}
}, TimeUnit.MINUTES.toMillis(2)));
LOG.info("Number of journal log files: {}", getNumJournalFiles());
}
}