storm-core/src/jvm/backtype/storm/scheduler/resource/strategies/IStrategy.java

/**
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 backtype.storm.scheduler.resource.strategies;

import java.util.Collection;
import java.util.Map;

import backtype.storm.scheduler.Topologies;
import backtype.storm.scheduler.ExecutorDetails;
import backtype.storm.scheduler.TopologyDetails;
import backtype.storm.scheduler.WorkerSlot;
import backtype.storm.scheduler.resource.RAS_Node;

/**
 * An interface to for implementing different scheduling strategies for the resource aware scheduling
 * In the future stategies will be pluggable
 */
public interface IStrategy {

    public Map<WorkerSlot, Collection<ExecutorDetails>> schedule(TopologyDetails td);
}