TopicListCacheEntry.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.cache;

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

import java.io.Serializable;
import java.util.List;

public class TopicListCacheEntry implements Serializable {

  private static final long serialVersionUID = -3744774001481169888L;

  private final int simpleHash;

  private final EndpointObjectHash hash;

  private final List<TopicDto> topics;

  /**
   * All-args constructor.
   */
  public TopicListCacheEntry(int simpleHash, EndpointObjectHash hash, List<TopicDto> topics) {
    this.simpleHash = simpleHash;
    this.hash = hash;
    this.topics = topics;
  }

  public int getSimpleHash() {
    return simpleHash;
  }

  public EndpointObjectHash getHash() {
    return hash;
  }

  public List<TopicDto> getTopics() {
    return topics;
  }

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

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }

    if (obj == null) {
      return false;
    }

    if (getClass() != obj.getClass()) {
      return false;
    }

    TopicListCacheEntry other = (TopicListCacheEntry) obj;
    if (hash == null && other.hash != null) {
      return false;
    } else {
      if (!hash.equals(other.hash)) {
        return false;
      }
    }
    return simpleHash == other.simpleHash;
  }

  @Override
  public String toString() {
    return "TopicListCacheEntry [simpleHash=" + simpleHash + ", hash="
        + hash + ", topics=" + topics + "]";
  }

}