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TIBCO ComputeDB store based off Pivotal GemFireXD
/*
* 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.asyncqueue;
import com.gemstone.gemfire.cache.wan.EventSequenceID;
import com.gemstone.gemfire.cache.wan.GatewayQueueEvent;
/**
* Represents Cache
events delivered to AsyncEventListener
.
*
* @author pdeole
* @since 7.0
*/
public interface AsyncEvent extends GatewayQueueEvent{
/**
* Returns whether possibleDuplicate is set for this event.
*/
public boolean getPossibleDuplicate();
/**
* Returns the wrapper over the DistributedMembershipID, ThreadID, SequenceID
* which are used to uniquely identify any region operation like create, update etc.
* This helps in sequencing the events belonging to a unique producer.
* e.g. The EventID can be used to track events received by AsyncEventListener
* to avoid processing duplicates.
*/
public EventSequenceID getEventSequenceID();
}