/**
 * 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 com.twitter.distributedlog.client.speculative;

import java.util.concurrent.ScheduledExecutorService;

/**
 * Speculative request execution policy.
 */
public interface SpeculativeRequestExecutionPolicy {
    /**
     * Initialize the speculative request execution policy and initiate requests.
     *
     * @param scheduler The scheduler service to issue the speculative request
     * @param requestExecutor The executor is used to issue the actual speculative requests
     */
    void initiateSpeculativeRequest(ScheduledExecutorService scheduler,
                                    SpeculativeRequestExecutor requestExecutor);
}