| /* |
| * 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.dubbo.registry.polaris.task; |
| |
| import com.tencent.polaris.api.listener.ServiceListener; |
| import com.tencent.polaris.api.pojo.ServiceChangeEvent; |
| |
| public class WatchTask implements Runnable { |
| |
| private final String service; |
| |
| private final FetchTask fetchTask; |
| |
| private final ServiceListener serviceListener; |
| |
| private final TaskScheduler taskScheduler; |
| |
| public WatchTask(String service, FetchTask fetchTask, TaskScheduler taskScheduler) { |
| this.service = service; |
| this.fetchTask = fetchTask; |
| this.serviceListener = new ServiceListener() { |
| @Override |
| public void onEvent(ServiceChangeEvent event) { |
| taskScheduler.submitFetchTask(fetchTask); |
| } |
| }; |
| this.taskScheduler = taskScheduler; |
| } |
| |
| @Override |
| public void run() { |
| boolean result = fetchTask.getPolarisOperator().watchService(service, serviceListener); |
| if (result) { |
| fetchTask.getHandler().onWatchSuccess(service, serviceListener); |
| taskScheduler.submitFetchTask(fetchTask); |
| return; |
| } |
| taskScheduler.submitWatchTask(this); |
| } |
| } |