EndpointAwareMessage.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed 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.kaaproject.kaa.server.operations.service.akka.messages.core.endpoint;

import akka.actor.ActorRef;

import org.kaaproject.kaa.common.hash.EndpointObjectHash;

import java.util.Random;
import java.util.UUID;


/**
 * The Class EndpointAwareMessage.
 */
public class EndpointAwareMessage {

  private static final ThreadLocal<Random> state = new ThreadLocal<Random>() { //NOSONAR
    protected Random initialValue() {
      return new Random();
    }
  };
  private final UUID uuid;
  /**
   * The app token.
   */
  private final String appToken;
  /**
   * The key.
   */
  private final EndpointObjectHash key;
  /**
   * The originator.
   */
  private final ActorRef originator;

  /**
   * Instantiates a new endpoint aware message.
   *
   * @param appToken   the app token
   * @param key        the key
   * @param originator the originator
   */
  public EndpointAwareMessage(String appToken, EndpointObjectHash key, ActorRef originator) {
    this(new UUID(state.get().nextLong(), state.get().nextLong()), appToken, key, originator);
  }

  /**
   * Instantiates a new endpoint aware message.
   *
   * @param uuid       the uuid
   * @param appToken   the app token
   * @param key        the key
   * @param originator the originator
   */
  protected EndpointAwareMessage(UUID uuid, String appToken, EndpointObjectHash key,
                                 ActorRef originator) {
    super();
    this.uuid = uuid;
    this.appToken = appToken;
    this.key = key;
    this.originator = originator;
  }


  public UUID getUuid() {
    return uuid;
  }

  /**
   * Gets the app token.
   *
   * @return the app token
   */
  public String getAppToken() {
    return appToken;
  }

  /**
   * Gets the key.
   *
   * @return the key
   */
  public EndpointObjectHash getKey() {
    return key;
  }

  /**
   * Gets the originator.
   *
   * @return the originator
   */
  public ActorRef getOriginator() {
    return originator;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((uuid == null) ? 0 : uuid.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    EndpointAwareMessage other = (EndpointAwareMessage) obj;
    if (uuid == null) {
      if (other.uuid != null) {
        return false;
      }
    } else if (!uuid.equals(other.uuid)) {
      return false;
    }
    return true;
  }

}