ProtocolVersionId.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.sync.bootstrap;

/**
 * Simple immutable object that.
 *
 * @author Andrey Shvayka
 */
public final class ProtocolVersionId {

  private final int protocolId;
  private final int version;

  /**
   * Create new instance of <code>ProtocolVersionId</code>.
   *
   * @param protocolId is protocol id
   * @param version is version id
   */
  public ProtocolVersionId(int protocolId, int version) {
    super();
    this.protocolId = protocolId;
    this.version = version;
  }

  public int getProtocolId() {
    return protocolId;
  }

  public int getVersion() {
    return version;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + protocolId;
    result = prime * result + version;
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    ProtocolVersionId other = (ProtocolVersionId) obj;
    if (protocolId != other.protocolId) {
      return false;
    }
    if (version != other.version) {
      return false;
    }
    return true;
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder();
    builder.append("ProtocolVersionKey [protocolId=");
    builder.append(protocolId);
    builder.append(", version=");
    builder.append(version);
    builder.append("]");
    return builder.toString();
  }
}