Rebalancer.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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.
 */

package org.kaaproject.kaa.server.control.service.loadmgmt.dynamicmgmt;

import org.kaaproject.kaa.server.common.thrift.gen.operations.RedirectionRule;

import java.util.List;
import java.util.Map;

/**
 * Dynamic Operations servers load management rebalance interface.
 */
public interface Rebalancer {

  /**
   * Recalculate balancing.
   *
   * @param opsServerLoadHistory the Operations server load history
   * @return the map integer, redirection rule
   */
  Map<Integer, List<RedirectionRule>> recalculate(
      Map<Integer, OperationsServerLoadHistory> opsServerLoadHistory);
}