/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.jclouds.vcloud.predicates;
import java.net.URI;
import javax.annotation.Resource;
import javax.inject.Singleton;
import org.jclouds.logging.Logger;
import org.jclouds.vcloud.TaskInErrorStateException;
import org.jclouds.vcloud.VCloudClient;
import org.jclouds.vcloud.domain.Task;
import org.jclouds.vcloud.domain.TaskStatus;
import com.google.common.base.Predicate;
import com.google.inject.Inject;
/**
*
* Tests to see if a task succeeds.
*
* @author Adrian Cole
*/
@Singleton
public class TaskSuccess implements Predicate<URI> {
private final VCloudClient client;
@Resource
protected Logger logger = Logger.NULL;
@Inject
public TaskSuccess(VCloudClient client) {
this.client = client;
}
public boolean apply(URI taskId) {
logger.trace("looking for status on task %s", taskId);
Task task = client.getTaskClient().getTask(taskId);
// perhaps task isn't available, yet
if (task == null)
return false;
logger.trace("%s: looking for status %s: currently: %s", task, TaskStatus.SUCCESS, task.getStatus());
if (task.getStatus() == TaskStatus.ERROR)
throw new TaskInErrorStateException(task);
return task.getStatus() == TaskStatus.SUCCESS;
}
}