public DataNode elementToDataNode(final RepositoryElementInterface element)
throws KettleException {
TransMeta transMeta = (TransMeta) element;
DataNode rootNode = new DataNode(NODE_TRANS);
DataNode stepsNode = rootNode.addNode(NODE_STEPS);
if (transMeta.getPrivateTransformationDatabases() != null) {
// save all private transformations database name http://jira.pentaho.com/browse/PPP-3405
DataNode privateDatabaseNode = rootNode.addNode(NODE_TRANS_PRIVATE_DATABASES);
for (String privateDatabase : transMeta.getPrivateTransformationDatabases()) {
privateDatabaseNode.addNode(privateDatabase);
}
}
// Also save all the steps in the transformation!
//
int stepNr = 0;
for (StepMeta step : transMeta.getSteps()) {
stepNr++;
DataNode stepNode =
stepsNode.addNode(
sanitizeNodeName(step.getName()) + "_" + stepNr + EXT_STEP); // $NON-NLS-1$
// Store the main data
//
stepNode.setProperty(PROP_NAME, step.getName());
stepNode.setProperty(PROP_DESCRIPTION, step.getDescription());
stepNode.setProperty(PROP_STEP_TYPE, step.getStepID());
stepNode.setProperty(PROP_STEP_DISTRIBUTE, step.isDistributes());
stepNode.setProperty(
PROP_STEP_ROW_DISTRIBUTION,
step.getRowDistribution() == null ? null : step.getRowDistribution().getCode());
stepNode.setProperty(PROP_STEP_COPIES, step.getCopies());
stepNode.setProperty(PROP_STEP_COPIES_STRING, step.getCopiesString());
stepNode.setProperty(PROP_STEP_GUI_LOCATION_X, step.getLocation().x);
stepNode.setProperty(PROP_STEP_GUI_LOCATION_Y, step.getLocation().y);
stepNode.setProperty(PROP_STEP_GUI_DRAW, step.isDrawn());
// Also save the step group attributes map
//
AttributesMapUtil.saveAttributesMap(stepNode, step);
// Save the step metadata using the repository save method, NOT XML
// That is because we want to keep the links to databases, conditions, etc by ID, not name.
//
StepMetaInterface stepMetaInterface = step.getStepMetaInterface();
DataNode stepCustomNode = new DataNode(NODE_STEP_CUSTOM);
Repository proxy = new RepositoryProxy(stepCustomNode);
compatibleSaveRep(stepMetaInterface, proxy, null, null);
stepMetaInterface.saveRep(proxy, proxy.getMetaStore(), null, null);
stepNode.addNode(stepCustomNode);
// Save the partitioning information by reference as well...
//
StepPartitioningMeta partitioningMeta = step.getStepPartitioningMeta();
if (partitioningMeta != null
&& partitioningMeta.getPartitionSchema() != null
&& partitioningMeta.isPartitioned()) {
DataNodeRef ref =
new DataNodeRef(partitioningMeta.getPartitionSchema().getObjectId().getId());
stepNode.setProperty(PROP_PARTITIONING_SCHEMA, ref);
stepNode.setProperty(
PROP_PARTITIONING_METHOD, partitioningMeta.getMethodCode()); // method of partitioning
if (partitioningMeta.getPartitioner() != null) {
DataNode partitionerCustomNode = new DataNode(NODE_PARTITIONER_CUSTOM);
proxy = new RepositoryProxy(partitionerCustomNode);
partitioningMeta.getPartitioner().saveRep(proxy, null, null);
stepNode.addNode(partitionerCustomNode);
}
}
// Save the clustering information as well...
//
stepNode.setProperty(
PROP_CLUSTER_SCHEMA,
step.getClusterSchema() == null
? ""
: step.getClusterSchema() //$NON-NLS-1$
.getName());
// Save the error hop metadata
//
StepErrorMeta stepErrorMeta = step.getStepErrorMeta();
if (stepErrorMeta != null) {
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_SOURCE_STEP,
stepErrorMeta.getSourceStep() != null
? stepErrorMeta.getSourceStep().getName()
: ""); //$NON-NLS-1$
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_TARGET_STEP,
stepErrorMeta.getTargetStep() != null
? stepErrorMeta.getTargetStep().getName()
: ""); //$NON-NLS-1$
stepNode.setProperty(PROP_STEP_ERROR_HANDLING_IS_ENABLED, stepErrorMeta.isEnabled());
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_NR_VALUENAME, stepErrorMeta.getNrErrorsValuename());
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_DESCRIPTIONS_VALUENAME,
stepErrorMeta.getErrorDescriptionsValuename());
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_FIELDS_VALUENAME, stepErrorMeta.getErrorFieldsValuename());
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_CODES_VALUENAME, stepErrorMeta.getErrorCodesValuename());
stepNode.setProperty(PROP_STEP_ERROR_HANDLING_MAX_ERRORS, stepErrorMeta.getMaxErrors());
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_MAX_PCT_ERRORS, stepErrorMeta.getMaxPercentErrors());
stepNode.setProperty(
PROP_STEP_ERROR_HANDLING_MIN_PCT_ROWS, stepErrorMeta.getMinPercentRows());
}
}
// Save the notes
//
DataNode notesNode = rootNode.addNode(NODE_NOTES);
notesNode.setProperty(PROP_NR_NOTES, transMeta.nrNotes());
for (int i = 0; i < transMeta.nrNotes(); i++) {
NotePadMeta note = transMeta.getNote(i);
DataNode noteNode = notesNode.addNode(NOTE_PREFIX + i);
noteNode.setProperty(PROP_XML, note.getXML());
}
// Finally, save the hops
//
DataNode hopsNode = rootNode.addNode(NODE_HOPS);
hopsNode.setProperty(PROP_NR_HOPS, transMeta.nrTransHops());
for (int i = 0; i < transMeta.nrTransHops(); i++) {
TransHopMeta hop = transMeta.getTransHop(i);
DataNode hopNode = hopsNode.addNode(TRANS_HOP_PREFIX + i);
hopNode.setProperty(TRANS_HOP_FROM, hop.getFromStep().getName());
hopNode.setProperty(TRANS_HOP_TO, hop.getToStep().getName());
hopNode.setProperty(TRANS_HOP_ENABLED, hop.isEnabled());
}
// Parameters
//
String[] paramKeys = transMeta.listParameters();
DataNode paramsNode = rootNode.addNode(NODE_PARAMETERS);
paramsNode.setProperty(PROP_NR_PARAMETERS, paramKeys == null ? 0 : paramKeys.length);
for (int idx = 0; idx < paramKeys.length; idx++) {
DataNode paramNode = paramsNode.addNode(TRANS_PARAM_PREFIX + idx);
String key = paramKeys[idx];
String description = transMeta.getParameterDescription(paramKeys[idx]);
String defaultValue = transMeta.getParameterDefault(paramKeys[idx]);
paramNode.setProperty(PARAM_KEY, key != null ? key : ""); // $NON-NLS-1$
paramNode.setProperty(PARAM_DEFAULT, defaultValue != null ? defaultValue : ""); // $NON-NLS-1$
paramNode.setProperty(PARAM_DESC, description != null ? description : ""); // $NON-NLS-1$
}
// Let's not forget to save the details of the transformation itself.
// This includes logging information, parameters, etc.
//
saveTransformationDetails(rootNode, transMeta);
return rootNode;
}
