| /* |
| * 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.nutch.service.resources; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.util.Date; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.QueryParam; |
| |
| import org.apache.nutch.service.model.response.JobInfo.State; |
| import org.apache.nutch.service.model.response.NutchServerInfo; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Path(value="/admin") |
| public class AdminResource extends AbstractResource{ |
| |
| private final int DELAY_SEC = 1; |
| private static final Logger LOG = LoggerFactory |
| .getLogger(MethodHandles.lookup().lookupClass()); |
| |
| /** |
| * To get the status of the Nutch Server |
| * @return |
| */ |
| @GET |
| @Path(value="/") |
| public NutchServerInfo getServerStatus(){ |
| NutchServerInfo serverInfo = new NutchServerInfo(); |
| serverInfo.setConfiguration(configManager.list()); |
| serverInfo.setStartDate(new Date(server.getStarted())); |
| serverInfo.setJobs(jobManager.list(null, State.ANY)); |
| serverInfo.setRunningJobs(jobManager.list(null, State.RUNNING)); |
| return serverInfo; |
| } |
| |
| /** |
| * Stop the Nutch server |
| * @param force If set to true, it will kill any running jobs |
| * @return |
| */ |
| @GET |
| @Path(value="/stop") |
| public String stopServer(@QueryParam("force") boolean force){ |
| if(!server.canStop(force)){ |
| return "Jobs still running -- Cannot stop server now" ; |
| } |
| scheduleServerStop(); |
| return "Stopping in server on port " + server.getPort(); |
| } |
| |
| private void scheduleServerStop() { |
| LOG.info("Shutting down server in {} sec", DELAY_SEC); |
| Thread thread = new Thread() { |
| public void run() { |
| try { |
| Thread.sleep(DELAY_SEC*1000); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| server.stop(); |
| LOG.info("Service stopped."); |
| } |
| }; |
| thread.setDaemon(true); |
| thread.start(); |
| LOG.info("Service shutting down..."); |
| } |
| |
| } |