EndpointEvent.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.event;

import org.kaaproject.kaa.common.hash.EndpointObjectHash;
import org.kaaproject.kaa.server.sync.Event;

import java.util.UUID;

public final class EndpointEvent {

  private final UUID uuid;
  private final EndpointObjectHash sender;
  private final Event event;
  private final long createTime;
  private int version;

  public EndpointEvent(EndpointObjectHash sender, Event event) {
    this(sender, event, UUID.randomUUID(), System.currentTimeMillis());
  }

  public EndpointEvent(EndpointObjectHash sender, Event event, UUID uuid, long createTime) {
    this(sender, event, uuid, createTime, 0);
  }

  /**
   * All-args constructor.
   */
  public EndpointEvent(EndpointObjectHash sender, Event event, UUID uuid, long createTime,
                       int version) {
    super();
    this.sender = sender;
    this.event = event;
    this.uuid = uuid;
    this.createTime = createTime;
    this.version = version;
  }

  public UUID getId() {
    return uuid;
  }

  public EndpointObjectHash getSender() {
    return sender;
  }

  public Event getEvent() {
    return event;
  }

  public String getEventClassFqn() {
    return event.getEventClassFqn();
  }

  public String getTarget() {
    return event.getTarget();
  }

  public long getCreateTime() {
    return createTime;
  }

  public int getVersion() {
    return version;
  }

  public void setVersion(int version) {
    this.version = version;
  }

  @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;
    }
    EndpointEvent other = (EndpointEvent) obj;
    if (uuid == null) {
      if (other.uuid != null) {
        return false;
      }
    } else if (!uuid.equals(other.uuid)) {
      return false;
    }
    return true;
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder();
    builder.append("EndpointEvent [uuid=");
    builder.append(uuid);
    builder.append(", sender=");
    builder.append(sender);
    builder.append(", event=");
    builder.append(event);
    builder.append("]");
    return builder.toString();
  }

}