How to use

addParameterDefinition

method

in

org.pentaho.di.job.JobMeta

jobMeta.addParameterDefinition( key, getParameterDefault( key ), getParameterDescription( key ) );

/**
 * Load the parameters of this job from the repository. The current ones already loaded will be erased.
 *
 * @param jobMeta
 *          The target job for the parameters
 *
 * @throws KettleException
 *           Upon any error.
 *
 */
private void loadRepParameters( JobMeta jobMeta ) throws KettleException {
 jobMeta.eraseParameters();
 int count = countJobParameter( jobMeta.getObjectId() );
 for ( int idx = 0; idx < count; idx++ ) {
  String key = getJobParameterKey( jobMeta.getObjectId(), idx );
  String defValue = getJobParameterDefault( jobMeta.getObjectId(), idx );
  String desc = getJobParameterDescription( jobMeta.getObjectId(), idx );
  jobMeta.addParameterDefinition( key, defValue, desc );
 }
}

 jobMeta.addParameterDefinition( item.getText( 1 ), item.getText( 2 ), item.getText( 3 ) );
} catch ( DuplicateParamException e ) {

for ( String directory : directoryMap.keySet() ) {
 String parameterName = directoryMap.get( directory );
 jobMeta.addParameterDefinition( parameterName, directory, "Data file path discovered during export" );

@Test
public void testConfigureParameters() throws Exception {
 JobMeta jobMeta = new JobMeta();
 jobMeta.addParameterDefinition( TEST_PARAM_NAME, DEFAULT_PARAM_VALUE, "This tests a default parameter" );
 assertEquals( "Default parameter was not set correctly on JobMeta", DEFAULT_PARAM_VALUE,
     jobMeta.getParameterDefault( TEST_PARAM_NAME ) );
 assertEquals( "Parameter value should be blank in JobMeta", "", jobMeta.getParameterValue( TEST_PARAM_NAME ) );
 Job job = new Job( null, jobMeta );
 job.copyParametersFrom( jobMeta );
 assertEquals( "Default parameter was not set correctly on Job", DEFAULT_PARAM_VALUE,
     job.getParameterDefault( TEST_PARAM_NAME ) );
 assertEquals( "Parameter value should be blank in Job", "", job.getParameterValue( TEST_PARAM_NAME ) );
}

String def = getString( paramNode, PARAM_DEFAULT );
String desc = getString( paramNode, PARAM_DESC );
jobMeta.addParameterDefinition( key, def, desc );

String descr = XMLHandler.getTagValue( paramNode, "description" );
addParameterDefinition( paramName, defValue, descr );