| /* |
| * 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.skywalking.oap.server.core.worker; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.skywalking.oap.server.core.UnexpectedException; |
| import org.apache.skywalking.oap.server.core.remote.data.StreamData; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Worker Instance Service hosts all remote handler workers with the stream data type. |
| */ |
| public class WorkerInstancesService implements IWorkerInstanceSetter, IWorkerInstanceGetter { |
| private static final Logger LOGGER = LoggerFactory.getLogger(WorkerInstancesService.class); |
| |
| private final Map<String, RemoteHandleWorker> instances; |
| |
| public WorkerInstancesService() { |
| this.instances = new HashMap<>(); |
| } |
| |
| @Override |
| public RemoteHandleWorker get(String nextWorkerName) { |
| return instances.get(nextWorkerName); |
| } |
| |
| @Override |
| public void put(String remoteReceiverWorkName, AbstractWorker instance, |
| Class<? extends StreamData> streamDataClass) { |
| if (instances.containsKey(remoteReceiverWorkName)) { |
| throw new UnexpectedException("Duplicate worker name:" + remoteReceiverWorkName); |
| } |
| instances.put(remoteReceiverWorkName, new RemoteHandleWorker(instance, streamDataClass)); |
| LOGGER.debug("Worker {} has been registered as {}", instance.toString(), remoteReceiverWorkName); |
| } |
| } |