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/*
 * 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.jclouds.cloudstack.predicates;

import static shaded.com.google.common.base.Preconditions.checkNotNull;

import javax.annotation.Resource;
import javax.inject.Singleton;

import org.jclouds.cloudstack.AsyncJobException;
import org.jclouds.cloudstack.CloudStackApi;
import org.jclouds.cloudstack.domain.AsyncJob;
import org.jclouds.logging.Logger;

import shaded.com.google.common.base.Predicate;
import shaded.com.google.inject.Inject;

/**
 * 
 * Tests to see if a job is in progress.
 */
@Singleton
public class JobComplete implements Predicate {

   private final CloudStackApi client;

   @Resource
   protected Logger logger = Logger.NULL;

   @Inject
   public JobComplete(CloudStackApi client) {
      this.client = client;
   }

   public boolean apply(String jobId) {
      logger.trace(">> looking for status on job %s", checkNotNull(jobId, "jobId"));
      AsyncJob job = refresh(jobId);
      if (job == null) {
         return false;
      }
      logger.trace("%s: looking for job status %s: currently: %s", job.getId(), 1, job.getStatus());
      if (job.hasFailed()) {

         throw new AsyncJobException(String.format("job %s failed with exception %s",
            job.toString(), job.getError().toString()));
      }
      return job.hasSucceed();
   }

   private AsyncJob refresh(String jobId) {
      return client.getAsyncJobApi().getAsyncJob(jobId);
   }
}