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   * 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,
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   * See the License for the specific language governing permissions and
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  package org.apache.activemq.store.kahadb.scheduler;
  
  import org.apache.activemq.ActiveMQConnectionFactory;
  import org.apache.activemq.ScheduledMessage;
  import org.apache.activemq.broker.BrokerService;
  import org.apache.activemq.command.ActiveMQQueue;
  import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
  import org.apache.activemq.store.kahadb.disk.journal.Journal;
  import org.apache.activemq.util.IOHelper;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import jakarta.jms.*;
  import java.io.File;
  import java.io.FilenameFilter;
  import java.util.concurrent.TimeUnit;
  
  import static org.junit.Assert.*;
  
  public class AMQ7086Test {
  
      private static final Logger LOG = LoggerFactory.getLogger(AMQ7086Test.class);
  
      BrokerService brokerService;
      JobSchedulerStoreImpl jobSchedulerStore;
      KahaDBPersistenceAdapter kahaDBPersistenceAdapter;
  
      @Test(timeout = 120000)
      public void testGcDoneAtStop() throws Exception {
  
          brokerService = createBroker(true);
          brokerService.start();
  
          produceWithScheduledDelayAndConsume();
  
          LOG.info("job store: " + jobSchedulerStore);
          int numSchedulerFiles = jobSchedulerStore.getJournal().getFileMap().size();
          LOG.info("kahadb store: " + kahaDBPersistenceAdapter);
          int numKahadbFiles = kahaDBPersistenceAdapter.getStore().getJournal().getFileMap().size();
  
          LOG.info("Num files, job store: {}, message store: {}", numKahadbFiles, numKahadbFiles);
  
          // pull the dirs before we stop
          File jobDir = jobSchedulerStore.getJournal().getDirectory();
          File kahaDir = kahaDBPersistenceAdapter.getStore().getJournal().getDirectory();
  
          brokerService.stop();
  
          while (verifyFilesOnDisk(jobDir) < 1) {
              Thread.sleep(100);
          }
          assertTrue("Expected job store data files at least 1", verifyFilesOnDisk(jobDir) >= 1);
          while (verifyFilesOnDisk(kahaDir) < 1) {
              Thread.sleep(100);
          }
          assertTrue("Expected kahadb data files at least 1", verifyFilesOnDisk(kahaDir) >= 1);
      }
  
      @Test
      public void testNoGcAtStop() throws Exception {
  
          brokerService = createBroker(false);
          brokerService.start();
  
          produceWithScheduledDelayAndConsume();
  
          LOG.info("job store: " + jobSchedulerStore);
          int numSchedulerFiles = jobSchedulerStore.getJournal().getFileMap().size();
          LOG.info("kahadb store: " + kahaDBPersistenceAdapter);
          int numKahadbFiles = kahaDBPersistenceAdapter.getStore().getJournal().getFileMap().size();
  
          LOG.info("Num files, job store: {}, message store: {}", numKahadbFiles, numKahadbFiles);
  
          // pull the dirs before we stop
          File jobDir = jobSchedulerStore.getJournal().getDirectory();
          File kahaDir = kahaDBPersistenceAdapter.getStore().getJournal().getDirectory();
  
          brokerService.stop();
  
          assertEquals("Expected job store data files", numSchedulerFiles, verifyFilesOnDisk(jobDir));
          assertEquals("Expected kahadb data files", numKahadbFiles, verifyFilesOnDisk(kahaDir));
      }
  
      private int verifyFilesOnDisk(File directory) {
  
          LOG.info("Broker: " + brokerService);
          LOG.info("dir: " + directory);
          int result = 0;
  
          File[] files = directory.listFiles(new FilenameFilter() {
              @Override
              public boolean accept(File dir, String n) {
                  return dir.equals(directory) && n.startsWith(Journal.DEFAULT_FILE_PREFIX) && n.endsWith(Journal.DEFAULT_FILE_SUFFIX);
              }
          });
  
          LOG.info("File count: " + (files != null ? files.length : " empty!"));
  
          if (files != null) {
              result = files.length;
          }
          for (File file : files) {
              LOG.info("name :" + file.getAbsolutePath());
          }
          return result;
      }
  
      protected BrokerService createBroker(boolean doCleanupOnStop) throws Exception {
          File schedulerDirectory = new File("target/scheduler");
          File kahadbDir = new File("target/kahadb");
  
          for (File directory: new File[]{schedulerDirectory, kahadbDir}) {
              IOHelper.mkdirs(directory);
              IOHelper.deleteChildren(directory);
          }
  
          BrokerService broker = new BrokerService();
          broker.setUseJmx(false);
          broker.setSchedulerSupport(true);
  
  
          jobSchedulerStore = new JobSchedulerStoreImpl();
          jobSchedulerStore.setDirectory(schedulerDirectory);
          jobSchedulerStore.setJournalMaxFileLength(16*1024);
  
          jobSchedulerStore.setCheckpointInterval(0);
          jobSchedulerStore.setCleanupOnStop(doCleanupOnStop);
  
          broker.setJobSchedulerStore(jobSchedulerStore);
  
  
          kahaDBPersistenceAdapter = new KahaDBPersistenceAdapter();
          kahaDBPersistenceAdapter.setDirectory(kahadbDir);
          kahaDBPersistenceAdapter.setJournalMaxFileLength(16*1024);
  
          kahaDBPersistenceAdapter.setCleanupInterval(0);
          kahaDBPersistenceAdapter.setCleanupOnStop(doCleanupOnStop);
  
          broker.setPersistenceAdapter(kahaDBPersistenceAdapter);
  
          return broker;
      }
  
      public void produceWithScheduledDelayAndConsume() throws Exception {
          Connection connection = new ActiveMQConnectionFactory("vm://localhost").createConnection();
          Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  
          connection.start();
          final ActiveMQQueue destination = new ActiveMQQueue("QQ");
          final int numMessages = 50;
          final long time = 1000l;
          final byte[] payload = new byte[1024];
          MessageProducer producer = session.createProducer(destination);
          for (int i = 0; i < numMessages; i++) {
              BytesMessage bytesMessage = session.createBytesMessage();
              bytesMessage.writeBytes(payload);
              bytesMessage.setLongProperty(ScheduledMessage.AMQ_SCHEDULED_DELAY, time);
              producer.send(bytesMessage);
          }
  
          MessageConsumer messageConsumer = session.createConsumer(destination);
          for (int i = 0; i < numMessages; i++) {
              assertNotNull(messageConsumer.receive(5000));
          }
          connection.close();
  
          // let last ack settle
          TimeUnit.SECONDS.sleep(1);
  
      }
  }
  