content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master.journal;
  
  import alluxio.Constants;
  import alluxio.grpc.JournalDomain;
  import alluxio.master.Master;
  import alluxio.master.MasterContext;
  import alluxio.master.MasterFactory;
  import alluxio.master.MasterRegistry;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Factory to create a {@link JournalMaster} instance.
   */
  @ThreadSafe
  public class JournalMasterFactory implements MasterFactory {
    private static final Logger LOG = LoggerFactory.getLogger(JournalMasterFactory.class);
  
    @Override
    public boolean isEnabled() {
      return true;
    }
  
    @Override
    public String getName() {
      return Constants.JOURNAL_MASTER_NAME;
    }
  
    @Override
    public Master create(MasterRegistry registry, MasterContext context) {
      LOG.info("Creating {} ", JournalMaster.class.getName());
      JournalMaster journalMaster = new DefaultJournalMaster(JournalDomain.MASTER, context);
      registry.add(JournalMaster.class, journalMaster);
      return journalMaster;
    }
  }
  