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SnappyData store based off Pivotal GemFireXD

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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * 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. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.cache.util;

/**
 * GatewayConflictHelper is used by an GatewayConflictResolver to decide what to
 * do with an event received from another distributed system that is going to overwrite
 * the current cache state.
 * @since 7.0
 * @author Bruce Schuchardt
 */
public interface GatewayConflictHelper {
  /** disallow the event */
  public void disallowEvent();

  /** modify the value stored in the cache */
  public void changeEventValue(Object value);
}