Event.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;

import org.kaaproject.kaa.server.common.utils.Utils;

import java.nio.ByteBuffer;

public final class Event {
  private int seqNum;
  private String eventClassFqn;
  private ByteBuffer eventData;
  private String source;
  private String target;

  public Event() {
  }

  /**
   * All-args constructor.
   */
  public Event(int seqNum, String eventClassFqn, ByteBuffer eventData,
               String source, String target) {
    this.seqNum = seqNum;
    this.eventClassFqn = eventClassFqn;
    this.eventData = eventData;
    this.source = source;
    this.target = target;
  }

  /**
   * Gets the value of the 'seqNum' field.
   */
  public int getSeqNum() {
    return seqNum;
  }

  /**
   * Sets the value of the 'seqNum' field.
   *
   * @param value the value to set.
   */
  public void setSeqNum(int value) {
    this.seqNum = value;
  }

  /**
   * Gets the value of the 'eventClassFqn' field.
   */
  public String getEventClassFqn() {
    return eventClassFqn;
  }

  /**
   * Sets the value of the 'eventClassFqn' field.
   *
   * @param value the value to set.
   */
  public void setEventClassFqn(String value) {
    this.eventClassFqn = value;
  }

  /**
   * Gets the value of the 'eventData' field.
   */
  public ByteBuffer getEventData() {
    return eventData;
  }

  /**
   * Sets the value of the 'eventData' field.
   *
   * @param value the value to set.
   */
  public void setEventData(ByteBuffer value) {
    this.eventData = value;
  }

  /**
   * Gets the value of the 'source' field.
   */
  public String getSource() {
    return source;
  }

  /**
   * Sets the value of the 'source' field.
   *
   * @param value the value to set.
   */
  public void setSource(String value) {
    this.source = value;
  }

  /**
   * Gets the value of the 'target' field.
   */
  public String getTarget() {
    return target;
  }

  /**
   * Sets the value of the 'target' field.
   *
   * @param value the value to set.
   */
  public void setTarget(String value) {
    this.target = value;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((eventClassFqn == null) ? 0 : eventClassFqn.hashCode());
    result = prime * result + ((eventData == null) ? 0 : eventData.hashCode());
    result = prime * result + seqNum;
    result = prime * result + ((source == null) ? 0 : source.hashCode());
    result = prime * result + ((target == null) ? 0 : target.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;
    }
    Event other = (Event) obj;
    if (eventClassFqn == null) {
      if (other.eventClassFqn != null) {
        return false;
      }
    } else if (!eventClassFqn.equals(other.eventClassFqn)) {
      return false;
    }
    if (eventData == null) {
      if (other.eventData != null) {
        return false;
      }
    } else if (!eventData.equals(other.eventData)) {
      return false;
    }
    if (seqNum != other.seqNum) {
      return false;
    }
    if (source == null) {
      if (other.source != null) {
        return false;
      }
    } else if (!source.equals(other.source)) {
      return false;
    }
    if (target == null) {
      if (other.target != null) {
        return false;
      }
    } else if (!target.equals(other.target)) {
      return false;
    }
    return true;
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder();
    builder.append("Event [seqNum=");
    builder.append(seqNum);
    builder.append(", eventClassFqn=");
    builder.append(eventClassFqn);
    builder.append(", eventData=");
    builder.append(Utils.encodeHexString(eventData));
    builder.append(", source=");
    builder.append(source);
    builder.append(", target=");
    builder.append(target);
    builder.append("]");
    return builder.toString();
  }

}