samoa-s4/src/main/java/org/apache/samoa/topology/impl/S4Event.java

package org.apache.samoa.topology.impl;

/*
 * #%L
 * SAMOA
 * %%
 * Copyright (C) 2014 - 2015 Apache Software Foundation
 * %%
 * 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.
 * #L%
 */

/**
 * License
 */

import net.jcip.annotations.Immutable;

import org.apache.s4.base.Event;
import org.apache.samoa.core.ContentEvent;

/**
 * The Class InstanceEvent.
 */
@Immutable
final public class S4Event extends Event {

  private String key;

  public String getKey() {
    return key;
  }

  public void setKey(String key) {
    this.key = key;
  }

  /** The content event. */
  private ContentEvent contentEvent;

  /**
   * Instantiates a new instance event.
   */
  public S4Event() {
    // Needed for serialization of kryo
  }

  /**
   * Instantiates a new instance event.
   * 
   * @param contentEvent
   *          the content event
   */
  public S4Event(ContentEvent contentEvent) {
    if (contentEvent != null) {
      this.contentEvent = contentEvent;
      this.key = contentEvent.getKey();

    }
  }

  /**
   * Gets the content event.
   * 
   * @return the content event
   */
  public ContentEvent getContentEvent() {
    return contentEvent;
  }

  /**
   * Sets the content event.
   * 
   * @param contentEvent
   *          the new content event
   */
  public void setContentEvent(ContentEvent contentEvent) {
    this.contentEvent = contentEvent;
  }

}