/*
 * 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.oodt.cas.resource.cli.action;

//JDK imports
import java.util.List;

//OODT imports
import org.apache.oodt.cas.cli.exception.CmdLineActionException;
import org.apache.oodt.cas.resource.structs.Job;
import static org.apache.oodt.cas.resource.system.XmlRpcResourceManagerClient.getReadableJobStatus;

/**
 * A {@link CmdLineAction} which returns Jobs that are currently queued.
 * 
 */
public class GetQueuedJobsCliAction extends ResourceCliAction {

   @Override
   public void execute(ActionMessagePrinter printer)
         throws CmdLineActionException {
      try {
	  List<Job> queuedJobs = getClient().getQueuedJobs();
          if (queuedJobs != null && queuedJobs.size() > 0){
	      printer.println("Jobs: ");
	      for(Job job: queuedJobs){
		 printer.println("Job: [id=" + job.getId() + ", status="
		   + getReadableJobStatus(job.getStatus()) + ",name="
		   + job.getName() + ",queue=" + job.getQueueName()
		   + ",load=" + job.getLoadValue() + ",inputClass="
		   + job.getJobInputClassName() + ",instClass="
		   + job.getJobInstanceClassName() + "]");
	      }
	      printer.println();
	  }
      } catch (Exception e) {
         throw new CmdLineActionException("Failed to get queued jobs : "
               + e.getMessage(), e);
      }
   }
}