Examples with TransExecutorStepNode org.pentaho.metaverse.frames.TransExecutorStepNode used on opensource projects

Example 1 with TransExecutorStepNode

use of org.pentaho.metaverse.frames.TransExecutorStepNode in project pentaho-metaverse by pentaho.

the class MetaverseValidationIT method testTransExecutorStepNode.

@Test
public void testTransExecutorStepNode() throws Exception {
    TransExecutorStepNode transExecutorStepNode = root.getTransExecutorStepNode();
    assertNotNull(transExecutorStepNode);
    TransExecutorMeta meta = (TransExecutorMeta) getStepMeta(transExecutorStepNode);
    assertEquals(meta.getParentStepMeta().getName(), transExecutorStepNode.getName());
    assertEquals(meta.getOutputRowsSourceStep(), transExecutorStepNode.getOutputRowsTargetStepName());
    assertEquals(meta.getResultFilesTargetStep(), transExecutorStepNode.getResultFilesTargetStepName());
    assertEquals(meta.getExecutionResultTargetStep(), transExecutorStepNode.getExecutionResultsTargetStepName());
    assertNotNull(transExecutorStepNode.getOutputStepByName(meta.getOutputRowsSourceStep()));
    assertNotNull(transExecutorStepNode.getOutputStepByName(meta.getResultFilesTargetStep()));
    assertNotNull(transExecutorStepNode.getOutputStepByName(meta.getExecutionResultTargetStep()));
    RowMetaInterface incomingRow = meta.getParentStepMeta().getParentTransMeta().getPrevStepFields(meta.getParentStepMeta());
    int incomingFieldCount = incomingRow.size();
    Iterable<StreamFieldNode> streamFieldNodes = transExecutorStepNode.getOutputStreamFields();
    int countOutputStreamFieldNode = getIterableSize(streamFieldNodes);
    List<String> outputFields = Arrays.asList(meta.getOutputRowsField());
    for (StreamFieldNode streamFieldNode : streamFieldNodes) {
        assertNotNull(streamFieldNode.getKettleType());
        if (outputFields.contains(streamFieldNode.getName())) {
            // this field came back to us from the sub trans via a result, lets make sure they link up
            assertEquals(transExecutorStepNode.getTransToExecute(), streamFieldNode.getFieldNodesThatDeriveMe().iterator().next().getStepThatOutputsMe().getTransNode());
        }
    }
    streamFieldNodes = transExecutorStepNode.getStreamFieldNodesDeletes();
    int countDeletedStreamFieldNode = getIterableSize(streamFieldNodes);
    for (StreamFieldNode streamFieldNode : streamFieldNodes) {
        assertNotNull(streamFieldNode.getKettleType());
    }
    assertNotNull(transExecutorStepNode.getTransToExecute());
    streamFieldNodes = transExecutorStepNode.getStreamFieldNodesUses();
    int countUsedStreamFieldNode = getIterableSize(streamFieldNodes);
    for (StreamFieldNode streamFieldNode : streamFieldNodes) {
        assertNotNull(streamFieldNode.getKettleType());
        // these should link up to stream fields in the sub trans via the "get rows from result" step
        for (StreamFieldNode derived : streamFieldNode.getFieldNodesDerivedFromMe()) {
            // the trans that is to be executed should contain the step that creates a field derived from the incoming field
            assertEquals(transExecutorStepNode.getTransToExecute(), derived.getStepThatInputsMe().getTransNode());
        }
    }
    assertEquals(incomingFieldCount, countUsedStreamFieldNode);
}