/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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.apache.geode.cache.util;

import org.apache.geode.cache.Operation;
import org.apache.geode.cache.Region;

/**
 * Interface <code>GatewayEvent</code> represents <code>Cache</code> events delivered to
 * <code>Gateway</code>s.
 *
 * @since GemFire 5.1
 * 
 * @deprecated as of GemFire 8.0. Use {@link org.apache.geode.cache.wan.GatewayQueueEvent} instead
 * 
 */
@Deprecated
public interface GatewayEvent {

  /**
   * Returns the <code>Region</code> associated with this <code>GatewayEvent</code>.
   * 
   * @return the <code>Region</code> associated with this <code>GatewayEvent</code>
   */
  public Region<?, ?> getRegion();

  /**
   * Returns the <code>Operation</code> that triggered this event.
   * 
   * @return the <code>Operation</code> that triggered this event
   */
  public Operation getOperation();

  /**
   * Returns the callbackArgument associated with this event.
   * 
   * @return the callbackArgument associated with this event
   */
  public Object getCallbackArgument();

  /**
   * Returns the key associated with this event.
   * 
   * @return the key associated with this event
   */
  public Object getKey();

  /**
   * Returns the deserialized value associated with this event.
   * 
   * @return the deserialized value associated with this event
   */
  public Object getDeserializedValue();

  /**
   * Returns the serialized form of the value associated with this event.
   * 
   * @return the serialized form of the value associated with this event
   */
  public byte[] getSerializedValue();

  /**
   * Sets whether this event is a possible duplicate.
   * 
   * @param possibleDuplicate whether this event is a possible duplicate
   */
  public void setPossibleDuplicate(boolean possibleDuplicate);

  /**
   * Returns whether this event is a possible duplicate.
   * 
   * @return whether this event is a possible duplicate
   */
  public boolean getPossibleDuplicate();

  /**
   * Returns the creation timestamp in milliseconds.
   * 
   * @return the creation timestamp in milliseconds
   * 
   * @since GemFire 6.0
   */
  public long getCreationTime();
}
