/* * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0 * (the "License"). You may not use this work except in compliance with the License, which is * available at www.apache.org/licenses/LICENSE-2.0 * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied, as more fully set forth in the License. * * See the NOTICE file distributed with this work for information regarding copyright ownership. */ package alluxio; import org.apache.thrift.TProcessor; import java.io.IOException; import java.util.Map; import java.util.Set; /** * Interface representing an Alluxio server. * * @param <T> type of the start options */ public interface Server<T> { /** * @return the server dependencies */ Set<Class<? extends Server>> getDependencies(); /** * @return the server's name */ String getName(); /** * @return a map from service names to {@link TProcessor}s that serve RPCs for this server */ Map<String, TProcessor> getServices(); /** * Starts the Alluxio server. * * @param options the start options */ void start(T options) throws IOException; /** * Stops the Alluxio server. Here, anything created or started in {@link #start(T)} should be * cleaned up and shutdown. */ void stop() throws IOException; }