| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.savvis.vpdc.predicates; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import javax.annotation.Resource; |
| 24 | import javax.inject.Singleton; |
| 25 | |
| 26 | import org.jclouds.logging.Logger; |
| 27 | import org.jclouds.savvis.vpdc.VPDCClient; |
| 28 | import org.jclouds.savvis.vpdc.domain.Task; |
| 29 | |
| 30 | import com.google.common.base.Predicate; |
| 31 | import com.google.inject.Inject; |
| 32 | |
| 33 | /** |
| 34 | * |
| 35 | * Tests to see if a task succeeds. |
| 36 | * |
| 37 | * @author Adrian Cole |
| 38 | */ |
| 39 | @Singleton |
| 40 | public class TaskSuccess implements Predicate<String> { |
| 41 | |
| 42 | private final VPDCClient client; |
| 43 | |
| 44 | @Resource |
| 45 | protected Logger logger = Logger.NULL; |
| 46 | |
| 47 | @Inject |
| 48 | public TaskSuccess(VPDCClient client) { |
| 49 | this.client = client; |
| 50 | } |
| 51 | |
| 52 | public boolean apply(String taskId) { |
| 53 | logger.trace("looking for status on task %s", checkNotNull(taskId, "taskId")); |
| 54 | Task task = refresh(taskId); |
| 55 | if (task == null) |
| 56 | return false; |
| 57 | logger.trace("%s: looking for task status %s: currently: %s", task.getId(), Task.Status.SUCCESS, task.getStatus()); |
| 58 | if (task.getError() != null) |
| 59 | throw new IllegalStateException(String.format("task %s failed with exception %s", task.getId(), task |
| 60 | .getError().toString())); |
| 61 | return task.getStatus() == Task.Status.SUCCESS; |
| 62 | } |
| 63 | |
| 64 | private Task refresh(String taskId) { |
| 65 | return client.getBrowsingClient().getTask(taskId); |
| 66 | } |
| 67 | } |