| /* |
| * 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.asterix.active; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.asterix.common.exceptions.ErrorCode; |
| import org.apache.asterix.common.exceptions.RuntimeDataException; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| |
| public class ActiveRuntimeManager { |
| |
| private static final Logger LOGGER = Logger.getLogger(ActiveRuntimeManager.class.getName()); |
| private final Map<ActiveRuntimeId, ActiveSourceOperatorNodePushable> activeRuntimes; |
| |
| private final ExecutorService executorService; |
| |
| public ActiveRuntimeManager() { |
| this.activeRuntimes = new ConcurrentHashMap<>(); |
| this.executorService = Executors.newCachedThreadPool(); |
| } |
| |
| public void close() throws IOException { |
| if (executorService != null) { |
| executorService.shutdown(); |
| if (LOGGER.isLoggable(Level.INFO)) { |
| LOGGER.info("Shut down executor service for :" + ActiveRuntimeManager.class.getSimpleName()); |
| } |
| try { |
| executorService.awaitTermination(10L, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| LOGGER.log(Level.SEVERE, ActiveRuntimeManager.class.getSimpleName() |
| + " was interrupted while waiting for runtime managers to shutdown", e); |
| } |
| if (!executorService.isTerminated()) { |
| LOGGER.severe(ActiveRuntimeManager.class.getSimpleName() |
| + " failed to shutdown successfully. Will be forced to shutdown"); |
| executorService.shutdownNow(); |
| } |
| } |
| } |
| |
| public ActiveSourceOperatorNodePushable getRuntime(ActiveRuntimeId runtimeId) { |
| return activeRuntimes.get(runtimeId); |
| } |
| |
| public void registerRuntime(ActiveRuntimeId runtimeId, ActiveSourceOperatorNodePushable feedRuntime) |
| throws HyracksDataException { |
| if (activeRuntimes.containsKey(runtimeId)) { |
| throw new RuntimeDataException(ErrorCode.ACTIVE_RUNTIME_IS_ALREADY_REGISTERED, runtimeId); |
| } |
| activeRuntimes.put(runtimeId, feedRuntime); |
| } |
| |
| public void deregisterRuntime(ActiveRuntimeId runtimeId) throws HyracksDataException { |
| if (!activeRuntimes.containsKey(runtimeId)) { |
| throw new RuntimeDataException(ErrorCode.ACTIVE_RUNTIME_IS_NOT_REGISTERED, runtimeId); |
| } |
| activeRuntimes.remove(runtimeId); |
| } |
| |
| public ExecutorService getExecutorService() { |
| return executorService; |
| } |
| |
| public Set<ActiveRuntimeId> getFeedRuntimes() { |
| return activeRuntimes.keySet(); |
| } |
| |
| } |