/*
* 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.uima.ducc.cli;
import java.util.List;
import java.util.Properties;
import org.apache.uima.ducc.transport.event.CancelServiceDuccEvent;
import org.apache.uima.ducc.transport.event.CancelServiceReplyDuccEvent;
import org.apache.uima.ducc.transport.event.IDuccContext.DuccContext;
import org.apache.uima.ducc.transport.event.cli.JobRequestProperties;
/**
* Cancel a DUCC service instance.
*/
public class DuccServiceCancel
extends CliBase
{
JobRequestProperties requestProperties = new JobRequestProperties();
long canceledPid = -1;
String responseMessage = null;
UiOption[] opts = new UiOption []
{
UiOption.Help,
UiOption.Debug,
UiOption.JobId,
UiOption.RoleAdministrator,
};
/**
* @param args Array of string arguments as described in the
* <a href="/doc/duccbook.html#DUCC_CLI_SERVICE_CANCEL">DUCC CLI reference.</a>
*/
public DuccServiceCancel(String [] args)
throws Exception
{
init (this.getClass().getName(), opts, args, requestProperties, null);
}
/**
* @param args List of string arguments as described in the
* <a href="/doc/duccbook.html#DUCC_CLI_SERVICE_CANCEL">DUCC CLI reference.</a>
*/
public DuccServiceCancel(List<String> args)
throws Exception
{
String[] arg_array = args.toArray(new String[args.size()]);
init(this.getClass().getName(), opts, arg_array, requestProperties, null);
}
/**
* @param props Properties file of arguments, as described in the
* <a href="/doc/duccbook.html#DUCC_CLI_SERVICE_CANCEL">DUCC CLI reference.</a>
*/
public DuccServiceCancel(Properties props)
throws Exception
{
init (this.getClass().getName(), opts, props, requestProperties, null);
}
/**
* Return the DUCC Orchestrator message, if any, pertaining to the cancelation.
*
* @return Return any message associated with the cancelation.
*/
public String getResponseMessage()
{
return responseMessage;
}
/**
* Execute collects the parameters for job cancelation and sends them to the DUCC Orchestrator
* to effect the cancelation.
*
* @return True if the orchestrator accepts the job cancelation.
*/
public boolean execute()
throws Exception
{
CancelServiceDuccEvent cancelServiceDuccEvent = new CancelServiceDuccEvent(requestProperties, DuccContext.Service);
CancelServiceReplyDuccEvent cancelServiceReplyDuccEvent = null;
try {
cancelServiceReplyDuccEvent = (CancelServiceReplyDuccEvent) dispatcher.dispatchAndWaitForDuccReply(cancelServiceDuccEvent);
} catch (Exception e) {
message("Job not submitted:", e.getMessage());
return false;
} finally {
dispatcher.close();
}
/*
* process reply
*/
boolean rc = extractReply(cancelServiceReplyDuccEvent);
responseMessage = cancelServiceReplyDuccEvent.getProperties().getProperty(UiOption.Message.pname());
// need : getResponseMessage
// : canceled Pids
// : getDuccId
// duccMessageProcessor.out("Job"+" "+jobId+" "+msg);
return rc;
}
/**
* Main method, as used by the executable jar or direct java invocation.
* @param args arguments as described in the <a href="/doc/duccbook.html#DUCC_CLI_SERVICE_CANCEL">DUCC CLI reference.</a>
*/
public static void main(String[] args) {
try {
DuccServiceCancel dsc = new DuccServiceCancel(args);
boolean rc = dsc.execute();
long id = dsc.getDuccId();
String msg = dsc.getResponseMessage();
System.out.println("Process " + id + " " + msg);
System.exit(rc ? 0 : 1);
} catch (Exception e) {
System.out.println("Cannot cancel: " + e.getMessage());
System.exit(1);
}
}
}