/* * 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.control; import java.util.Set; /** * Factory for defining and starting a {@link RebalanceOperation}. * * @since GemFire 6.0 */ public interface RebalanceFactory { /** * Specify which regions to include in the rebalance operation. The default, <code>null<code>, * means all regions should be rebalanced. Includes take precedence over excludes. * * @param regions A set containing the names of regions to include. * @since GemFire 6.5 */ RebalanceFactory includeRegions(Set<String> regions); /** * Exclude specific regions from the rebalancing operation. The default, <code>null<code>, means * don't exclude any regions. * * @param regions A set containing the names of regions to exclude. * @since GemFire 6.5 */ RebalanceFactory excludeRegions(Set<String> regions); /** * Asynchronously starts a new rebalance operation. Only the GemFire controlled cache resources * used by this member will be rebalanced. Operation may queue as needed for resources in * contention by other active rebalance operations. */ public RebalanceOperation start(); /** * Simulates a rebalance of the GemFire controlled cache resources on this member. This operation * will not make any actual changes. It will only produce a report of what the results would have * been had this been a real rebalance operation. */ public RebalanceOperation simulate(); }