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/*
 * Copyright (c) 2012-2018 Red Hat, Inc.
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *   Red Hat, Inc. - initial API and implementation
 */
package org.eclipse.che.multiuser.api.distributed;

import com.google.common.collect.ImmutableSet;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.Set;
import org.eclipse.che.api.system.server.ServiceTermination;
import org.eclipse.che.api.workspace.server.WorkspaceServiceTermination;
import org.eclipse.che.multiuser.api.distributed.cache.JGroupsWorkspaceStatusCache;
import org.eclipse.che.multiuser.api.distributed.lock.JGroupsWorkspaceLockService;
import org.eclipse.che.multiuser.api.distributed.subscription.DistributedRemoteSubscriptionStorage;

/**
 * Terminates jgroups components.
 *
 * @author Anton Korneta
 */
@Singleton
public class JGroupsServiceTermination implements ServiceTermination {

  private final JGroupsWorkspaceLockService workspaceLockService;
  private final JGroupsWorkspaceStatusCache workspaceStatusCache;
  private final DistributedRemoteSubscriptionStorage remoteSubscriptionStorage;

  @Inject
  public JGroupsServiceTermination(
      JGroupsWorkspaceLockService workspaceLockService,
      JGroupsWorkspaceStatusCache workspaceStatusCache,
      DistributedRemoteSubscriptionStorage remoteSubscriptionStorage) {
    this.workspaceLockService = workspaceLockService;
    this.workspaceStatusCache = workspaceStatusCache;
    this.remoteSubscriptionStorage = remoteSubscriptionStorage;
  }

  @Override
  public void terminate() {
    suspend();
  }

  @Override
  public void suspend() {
    workspaceLockService.shutdown();
    workspaceStatusCache.shutdown();
    remoteSubscriptionStorage.shutdown();
  }

  @Override
  public String getServiceName() {
    return "ReplicationService";
  }

  @Override
  public Set getDependencies() {
    return ImmutableSet.of(WorkspaceServiceTermination.SERVICE_NAME);
  }
}