content: /*
   * 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.asterix.active.message;
  
  import java.io.Serializable;
  
  import org.apache.asterix.active.ActiveManager;
  import org.apache.asterix.active.ActiveRuntimeId;
  import org.apache.asterix.common.api.INcApplicationContext;
  import org.apache.asterix.common.messaging.CcIdentifiedMessage;
  import org.apache.asterix.common.messaging.api.INcAddressedMessage;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public class ActiveManagerMessage extends CcIdentifiedMessage implements INcAddressedMessage {
      public enum Kind {
          STOP_ACTIVITY,
          REQUEST_STATS,
          GENERIC_EVENT
      }
  
      private static final long serialVersionUID = 3L;
      private final Kind kind;
      private final ActiveRuntimeId runtimeId;
      private final Serializable payload;
      private final String desc;
  
      public ActiveManagerMessage(Kind kind, ActiveRuntimeId runtimeId, Serializable payload, String desc) {
          this.kind = kind;
          this.runtimeId = runtimeId;
          this.payload = payload;
          this.desc = desc;
      }
  
      public Serializable getPayload() {
          return payload;
      }
  
      public ActiveRuntimeId getRuntimeId() {
          return runtimeId;
      }
  
      public Kind getKind() {
          return kind;
      }
  
      public String getDesc() {
          return desc;
      }
  
      @Override
      public void handle(INcApplicationContext appCtx) throws HyracksDataException, InterruptedException {
          ((ActiveManager) appCtx.getActiveManager()).handle(this);
      }
  
      @Override
      public String toString() {
          return getClass().getSimpleName() + "{kind=" + kind + ", runtimeId=" + runtimeId
                  + (desc != null && !desc.isEmpty() ? ", desc=" + desc : "") + '}';
      }
  }
  