package org.job.examples;

import org.job.*;

/**
 * This class shows how to create a factory, a session and a map instance. The map
 * instance is used to store, retrieve and remove a String
 instance
 * using application identity.
 */
public class Example1 {

    /**
     * This method is invoked with an argument array containing an URL.
     * @param args the command line arguments containing an URL.
     */
    public static void main(String[] args) {
        // create a factory
        JobFactory jobFactory = org.job.impl.JobFactory.newInstance();
        try {
            // create a session using a built in user
            JobSession session =
                    jobFactory.getSession(args[0], "rio", "dejaneiro");

            try {
                // start a transaction
                session.begin();

                // create a JOB map
                JobMap jobMap = session.newMap("myJobMap");

                // store a key/value pair of type String
                jobMap.put("key", "value");

                // retrieve the stored value
                Object value = jobMap.get("key");

                // check the retrieved value
                if (!"value".equals(value))
                    throw new RuntimeException("Retrieved: \"" + value
                                               + "\", expected: \"value\"");

                // remove the stored key/value pair
                Object removedValue = jobMap.remove("key");

                // check the removed value
                if (!value.equals(removedValue))
                    throw new RuntimeException("Removed: \"" + removedValue
                                               + "\", expected: \"value\"");

                // commit the transaction
                session.end();
            } finally {
                // close the session
                session.close();
            }
        } finally {
            // close the factory
            jobFactory.close();
        }
    }
}