Java Code Examples for org.pentaho.di.trans.Trans#setParameterValue()

The following examples show how to use org.pentaho.di.trans.Trans#setParameterValue() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: AbstractKettleTransformationProducer.java From pentaho-reporting with GNU Lesser General Public License v2.1

6 votes

private void updateTransformationParameter( final FormulaContext formulaContext,
                                            final Trans trans )
  throws UnknownParamException, EvaluationException, ParseException {
  for ( int i = 0; i < this.parameter.length; i++ ) {
    final FormulaParameter mapping = this.parameter[ i ];
    final String sourceName = mapping.getName();
    final Object value = mapping.compute( formulaContext );
    TransMeta transMeta = trans.getTransMeta();
    if ( value != null ) {
      String paramValue = String.valueOf( value );
      trans.setParameterValue( sourceName, paramValue );
      transMeta.setParameterValue( sourceName, paramValue );
    } else {
      trans.setParameterValue( sourceName, null );
      transMeta.setParameterValue( sourceName, null );
    }
    trans.setTransMeta( transMeta );
  }
}

Example 2

Source File: TestUtilities.java From pentaho-kettle with Apache License 2.0

6 votes

public static Trans loadAndRunTransformation( String path, Object... parameters ) throws Exception {
  TransMeta transMeta = new TransMeta( path );
  transMeta.setTransformationType( TransMeta.TransformationType.Normal );

  Trans trans = new Trans( transMeta );
  if ( parameters != null ) {
    if ( parameters.length % 2 == 1 ) {
      throw new IllegalArgumentException( "Parameters should be an array of pairs 'parameter'-'value'-..." );
    }

    for ( int i = 0; i < parameters.length; i += 2 ) {
      Object parameter = parameters[ i ];
      Object value = parameters[i + 1];
      trans.setParameterValue( parameter.toString(), value.toString() );
    }
  }

  trans.prepareExecution( null );
  trans.startThreads();
  trans.waitUntilFinished();

  return trans;
}

Example 3

Source File: PanCommandExecutor.java From pentaho-kettle with Apache License 2.0

6 votes

/**
 * Configures the transformation with the given parameters and their values
 *
 * @param trans        the executable transformation object
 * @param optionParams the list of parameters to set for the transformation
 * @param transMeta    the transformation metadata
 * @throws UnknownParamException
 */
protected static void configureParameters( Trans trans, NamedParams optionParams,
                                             TransMeta transMeta ) throws UnknownParamException {
  trans.initializeVariablesFrom( null );
  trans.getTransMeta().setInternalKettleVariables( trans );

  // Map the command line named parameters to the actual named parameters.
  // Skip for the moment any extra command line parameter not known in the transformation.
  String[] transParams = trans.listParameters();
  for ( String param : transParams ) {
    String value = optionParams.getParameterValue( param );
    if ( value != null ) {
      trans.setParameterValue( param, value );
      transMeta.setParameterValue( param, value );
    }
  }

  // Put the parameters over the already defined variable space. Parameters get priority.
  trans.activateParameters();
}

Example 4

Source File: TestUtilities.java From pentaho-kettle with Apache License 2.0

6 votes

public static Trans loadAndRunTransformation( String path, Object... parameters ) throws Exception {
  TransMeta transMeta = new TransMeta( path );
  transMeta.setTransformationType( TransMeta.TransformationType.Normal );

  Trans trans = new Trans( transMeta );
  if ( parameters != null ) {
    if ( parameters.length % 2 == 1 ) {
      throw new IllegalArgumentException( "Parameters should be an array of pairs 'parameter'-'value'-..." );
    }

    for ( int i = 0; i < parameters.length; i += 2 ) {
      Object parameter = parameters[i];
      Object value = parameters[i + 1];
      trans.setParameterValue( parameter.toString(), value.toString() );
    }
  }

  trans.prepareExecution( null );
  trans.startThreads();
  trans.waitUntilFinished();

  return trans;
}

Example 5

Source File: MetaInjectTest.java From pentaho-kettle with Apache License 2.0

5 votes

@Test
public void transParametersPassedToChildTransformation() throws KettleException {
  Trans trans = new Trans();
  trans.addParameterDefinition( TEST_PARAMETER, "TEST_DEF_VALUE", "" );
  trans.setParameterValue( TEST_PARAMETER, TEST_VALUE );

  doReturn( trans ).when( metaInject ).getTrans();
  TransMeta internalTransMeta = new TransMeta();
  doReturn( internalTransMeta ).when( metaInject ).loadTransformationMeta();

  assertTrue( metaInject.init( meta, data ) );

  assertEquals( TEST_VALUE, internalTransMeta.getParameterValue( TEST_PARAMETER ) );
}

Example 6