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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;
import java.util.Set;
/**
* Contains information about an event affecting a region reliability,
* including its identity and the circumstances of the event. This is
* passed in to {@link RegionRoleListener}.
*
* @author Kirk Lund
* @see RegionRoleListener
* @since 5.0
*/
public interface RoleEvent extends RegionEvent {
/**
* Returns the required roles that were lost or gained because of this
* event.
*/
public Set getRequiredRoles();
}