/*
* AuthJobExecuteScript.java
*
* Copyright (C) 2010-2016, Microsoft Corporation
*
* This program is licensed to you under the terms of Version 2.0 of the
* Apache License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0) for more details.
*
*/
package com.revo.deployr.tutorial.services.background;
import com.revo.deployr.client.RClient;
import com.revo.deployr.client.RJob;
import com.revo.deployr.client.RProject;
import com.revo.deployr.client.RUser;
import com.revo.deployr.client.about.RJobDetails;
import com.revo.deployr.client.auth.RAuthentication;
import com.revo.deployr.client.auth.basic.RBasicAuthentication;
import com.revo.deployr.client.factory.RClientFactory;
import com.revo.deployr.client.params.JobExecutionOptions;
import org.apache.log4j.Logger;
public class AuthJobExecuteScript {
private static Logger log = Logger.getLogger(AuthJobExecuteScript.class);
public static void main(String args[]) throws Exception {
RClient rClient = null;
RJob rJob = null;
RProject rProject = null;
try {
/*
* Determine DeployR server endpoint.
*/
String endpoint = System.getProperty("endpoint");
log.info("Using endpoint=" + endpoint);
/*
* Establish RClient connection to DeployR server.
*
* An RClient connection is the mandatory starting
* point for any application using the client library.
*/
rClient = RClientFactory.createClient(endpoint);
log.info("Established anonymous " +
"connection, rClient=" + rClient);
/*
* Build a basic authentication token.
*/
RAuthentication rAuth =
new RBasicAuthentication(System.getProperty("username"),
System.getProperty("password"));
/*
* Establish an authenticated handle with the DeployR
* server, rUser.
*/
RUser rUser = rClient.login(rAuth);
log.info("Established authenticated " +
"connection, rUser=" + rUser);
/*
* Submit a background job to execute a repository-managed
* script: /testuser/root/Histogram of Auto Sales.R.
*/
JobExecutionOptions options = new JobExecutionOptions();
options.priority = JobExecutionOptions.HIGH_PRIORITY;
rJob = rUser.submitJobScript("Background Script Execution",
"Background script execution.",
"Histogram of Auto Sales",
"root", "testuser", null,
options);
log.info("Submitted background job " +
"for execution, rJob=" + rJob);
try {
boolean jobPending = true;
while (jobPending) {
RJobDetails details = rJob.query();
if (details.status.equals(RJob.COMPLETED)) {
jobPending = false;
/*
* Retrieve the results of the background job
* execution. Based on the JobExecutionOptions
* for this example the results are found
* within an RProject generated on the
* successful completion of the job.
*/
rProject = rUser.getProject(details.project);
log.info("Retrieved background " +
"job result on project, rProject=" + rProject);
} else {
Thread.currentThread().sleep(500);
}
}
} catch (Exception wex) {
log.warn("Waiting for background job " +
"execution to complete, ex=" + wex);
}
} catch (Exception ex) {
log.warn("Runtime exception=" + ex);
} finally {
try {
rJob.delete();
} catch (Exception pex) {
}
try {
rProject.delete();
} catch (Exception pex) {
}
try {
if (rClient != null) {
/*
* Release rClient connection before application exits.
*/
rClient.release();
}
} catch (Exception fex) {
}
}
}
}