| /** |
| * 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.jena.fuseki.ctl; |
| |
| import static java.lang.String.format; |
| |
| import org.apache.jena.atlas.json.JsonValue; |
| import org.apache.jena.atlas.lib.Lib; |
| import org.apache.jena.fuseki.async.AsyncPool; |
| import org.apache.jena.fuseki.async.AsyncTask; |
| import org.apache.jena.fuseki.servlets.ActionLib; |
| import org.apache.jena.fuseki.servlets.HttpAction; |
| import org.apache.jena.fuseki.servlets.ServletOps; |
| import org.slf4j.Logger; |
| |
| /** A task that kicks off a asynchronous operation that simply waits and exits. For testing. */ |
| public class ActionSleep extends ActionCtl /* Not ActionAsyncTask - that is a container-item based. */ |
| { |
| public static final int MaxSleepMillis = 20*1000; |
| |
| public ActionSleep() { super(); } |
| |
| @Override |
| public void execOptions(HttpAction action) { |
| ActionLib.doOptionsPost(action); |
| ServletOps.success(action); |
| } |
| |
| @Override |
| public void execPost(HttpAction action) { |
| super.executeLifecycle(action); |
| } |
| |
| @Override |
| public void validate(HttpAction action) {} |
| |
| @Override |
| public void execute(HttpAction action) { |
| SleepTask task = createRunnable(action); |
| AsyncTask aTask = Async.execASyncTask(action, AsyncPool.get(), "sleep", task); |
| action.log.info(format("[%d] Sleep %d ms.", action.id, task.sleepMilli)); |
| JsonValue v = Async.asJson(aTask); |
| ServletOps.sendJsonReponse(action, v); |
| } |
| |
| protected SleepTask createRunnable(HttpAction action) { |
| String interval = action.request.getParameter("interval"); |
| int sleepMilli = 5000; |
| if ( interval != null ) { |
| try { |
| sleepMilli = Integer.parseInt(interval); |
| } catch (NumberFormatException ex) { |
| ServletOps.errorBadRequest("Bad value for 'interval': integer required"); |
| return null; |
| } |
| } |
| if ( sleepMilli < 0 ) { |
| ServletOps.errorBadRequest("Bad value for 'interval': negative sleep interval"); |
| return null; |
| } |
| if ( sleepMilli > MaxSleepMillis ) { |
| ServletOps.errorBadRequest("Bad value for 'interval': sleep internal greater than maximum allowed"); |
| return null; |
| } |
| return new SleepTask(action, sleepMilli, AsyncPool.get()); |
| } |
| |
| static class SleepTask implements Runnable { |
| private final Logger log; |
| private final long actionId; |
| public final int sleepMilli; |
| private final AsyncPool asyncPool; |
| |
| public SleepTask(HttpAction action, int sleepMilli, AsyncPool asyncPool ) { |
| this.log = action.log; |
| this.actionId = action.id; |
| this.sleepMilli = sleepMilli; |
| this.asyncPool = asyncPool; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| log.info(format("[Task %d] >> Sleep start", actionId)); |
| Lib.sleep(sleepMilli); |
| log.info(format("[Task %d] << Sleep finish", actionId)); |
| } catch (Exception ex) { |
| log.info(format("[Task %d] **** Exception", actionId), ex); |
| } |
| } |
| } |
| } |
| |