Examples with AnnotationDrivenStepMetaAnalyzer org.pentaho.metaverse.api.analyzer.kettle.annotations.AnnotationDrivenStepMetaAnalyzer used on opensource projects

Example 1 with AnnotationDrivenStepMetaAnalyzer

use of org.pentaho.metaverse.api.analyzer.kettle.annotations.AnnotationDrivenStepMetaAnalyzer in project pentaho-metaverse by pentaho.

the class TransformationAnalyzer method analyze.

@Override
public synchronized IMetaverseNode analyze(final IComponentDescriptor documentDescriptor, final AbstractMeta meta, final IMetaverseNode node, final String documentPath) throws MetaverseAnalyzerException {
    final TransMeta transMeta = (TransMeta) meta;
    Trans t = new Trans(transMeta);
    t.setInternalKettleVariables(transMeta);
    // pull out the standard fields
    String description = transMeta.getDescription();
    if (description != null) {
        node.setProperty(DictionaryConst.PROPERTY_DESCRIPTION, description);
    }
    String extendedDescription = transMeta.getExtendedDescription();
    if (extendedDescription != null) {
        node.setProperty("extendedDescription", extendedDescription);
    }
    Date createdDate = transMeta.getCreatedDate();
    if (createdDate != null) {
        node.setProperty(DictionaryConst.PROPERTY_CREATED, Long.toString(createdDate.getTime()));
    }
    String createdUser = transMeta.getCreatedUser();
    if (createdUser != null) {
        node.setProperty(DictionaryConst.PROPERTY_CREATED_BY, createdUser);
    }
    Date lastModifiedDate = transMeta.getModifiedDate();
    if (lastModifiedDate != null) {
        node.setProperty(DictionaryConst.PROPERTY_LAST_MODIFIED, Long.toString(lastModifiedDate.getTime()));
    }
    String lastModifiedUser = transMeta.getModifiedUser();
    if (lastModifiedUser != null) {
        node.setProperty(DictionaryConst.PROPERTY_LAST_MODIFIED_BY, lastModifiedUser);
    }
    String version = transMeta.getTransversion();
    if (version != null) {
        node.setProperty(DictionaryConst.PROPERTY_ARTIFACT_VERSION, version);
    }
    String status = Messages.getString("INFO.JobOrTrans.Status_" + Integer.toString(transMeta.getTransstatus()));
    if (status != null && !status.startsWith("!")) {
        node.setProperty(DictionaryConst.PROPERTY_STATUS, status);
    }
    node.setProperty(DictionaryConst.PROPERTY_PATH, documentPath);
    String[] parameters = transMeta.listParameters();
    if (parameters != null) {
        for (String parameter : parameters) {
            try {
                // Determine parameter properties and add them to a map, then the map to the list
                String defaultParameterValue = transMeta.getParameterDefault(parameter);
                String parameterValue = transMeta.getParameterValue(parameter);
                String parameterDescription = transMeta.getParameterDescription(parameter);
                PropertiesHolder paramProperties = new PropertiesHolder();
                paramProperties.setProperty("defaultValue", defaultParameterValue);
                paramProperties.setProperty("value", parameterValue);
                paramProperties.setProperty("description", parameterDescription);
                node.setProperty("parameter_" + parameter, paramProperties.toString());
            } catch (UnknownParamException upe) {
                // This shouldn't happen as we're using the list provided by the meta
                throw new MetaverseAnalyzerException(upe);
            }
        }
    }
    final List<AnalyzerHolder> analyzerHolders = new ArrayList();
    // handle the step
    for (int stepNr = 0; stepNr < transMeta.nrSteps(); stepNr++) {
        StepMeta stepMeta = transMeta.getStep(stepNr);
        try {
            if (stepMeta != null) {
                if (stepMeta.getParentTransMeta() == null) {
                    stepMeta.setParentTransMeta(transMeta);
                }
                IMetaverseNode stepNode = null;
                IComponentDescriptor stepDescriptor = new MetaverseComponentDescriptor(stepMeta.getName(), DictionaryConst.NODE_TYPE_TRANS_STEP, node, documentDescriptor.getContext());
                Set<IStepAnalyzer> stepAnalyzers = getStepAnalyzers(stepMeta);
                final BaseStepMeta baseStepMeta = getBaseStepMetaFromStepMeta(stepMeta);
                if (stepAnalyzers != null && !stepAnalyzers.isEmpty()) {
                    for (IStepAnalyzer stepAnalyzer : stepAnalyzers) {
                        // transformation execution and does not change while the transformation is being analyzed
                        if (stepAnalyzer instanceof IClonableStepAnalyzer) {
                            stepAnalyzer = ((IClonableStepAnalyzer) stepAnalyzer).cloneAnalyzer();
                            ((IClonableStepAnalyzer) stepAnalyzer).setDocumentAnalyzer(this);
                            ((IClonableStepAnalyzer) stepAnalyzer).setDocumentDescriptor(documentDescriptor);
                            ((IClonableStepAnalyzer) stepAnalyzer).setDocumentPath(documentPath);
                        } else {
                            log.debug(Messages.getString("WARNING.CannotCloneAnalyzer"), stepAnalyzer);
                        }
                        stepAnalyzer.setMetaverseBuilder(metaverseBuilder);
                        stepNode = (IMetaverseNode) stepAnalyzer.analyze(stepDescriptor, baseStepMeta);
                        analyzerHolders.add(new AnalyzerHolder(stepAnalyzer, baseStepMeta, stepNode));
                    }
                } else if ((new AnnotatedClassFields(baseStepMeta)).hasMetaverseAnnotations()) {
                    AnnotationDrivenStepMetaAnalyzer annotationDrivenStepMetaAnalyzer = new AnnotationDrivenStepMetaAnalyzer(baseStepMeta);
                    annotationDrivenStepMetaAnalyzer.setMetaverseBuilder(metaverseBuilder);
                    annotationDrivenStepMetaAnalyzer.setDocumentAnalyzer(this);
                    annotationDrivenStepMetaAnalyzer.setDocumentDescriptor(documentDescriptor);
                    annotationDrivenStepMetaAnalyzer.setDocumentPath(documentPath);
                    stepNode = annotationDrivenStepMetaAnalyzer.analyze(stepDescriptor, baseStepMeta);
                    analyzerHolders.add(new AnalyzerHolder(annotationDrivenStepMetaAnalyzer, baseStepMeta, stepNode));
                } else {
                    GenericStepMetaAnalyzer defaultStepAnalyzer = new GenericStepMetaAnalyzer();
                    defaultStepAnalyzer.setMetaverseBuilder(metaverseBuilder);
                    stepNode = defaultStepAnalyzer.analyze(stepDescriptor, getBaseStepMetaFromStepMeta(stepMeta));
                }
                if (stepNode != null) {
                    metaverseBuilder.addLink(node, DictionaryConst.LINK_CONTAINS, stepNode);
                }
            }
        } catch (Throwable mae) {
            // Don't throw an exception, just log and carry on
            log.warn(Messages.getString("ERROR.ErrorDuringAnalysis", stepMeta.getName(), Const.NVL(mae.getLocalizedMessage(), "Unspecified")));
            log.debug(Messages.getString("ERROR.ErrorDuringAnalysisStackTrace"), mae);
        }
    }
    // Model the hops between steps
    int numHops = transMeta.nrTransHops();
    for (int i = 0; i < numHops; i++) {
        TransHopMeta hop = transMeta.getTransHop(i);
        StepMeta fromStep = hop.getFromStep();
        StepMeta toStep = hop.getToStep();
        INamespace childNs = new Namespace(node.getLogicalId());
        // process legitimate hops
        if (fromStep != null && toStep != null) {
            IMetaverseNode fromStepNode = metaverseObjectFactory.createNodeObject(childNs, fromStep.getName(), DictionaryConst.NODE_TYPE_TRANS_STEP);
            IMetaverseNode toStepNode = metaverseObjectFactory.createNodeObject(childNs, toStep.getName(), DictionaryConst.NODE_TYPE_TRANS_STEP);
            // Create and decorate the link between the steps
            IMetaverseLink link = metaverseObjectFactory.createLinkObject();
            link.setFromNode(fromStepNode);
            link.setLabel(DictionaryConst.LINK_HOPSTO);
            link.setToNode(toStepNode);
            // Is this hop enabled?
            link.setProperty(DictionaryConst.PROPERTY_ENABLED, hop.isEnabled());
            // Add metadata about the type of stream (target, error, info) it is. Default to "target".
            String linkType = "target";
            if (fromStep.isSendingErrorRowsToStep(toStep)) {
                linkType = "error";
            } else {
                String[] infoStepnames = toStep.getStepMetaInterface().getStepIOMeta().getInfoStepnames();
                // If the "from" step is the source of an info stream to the "to" step, it's an "info" hop
                if (Const.indexOfString(fromStep.getName(), infoStepnames) >= 0) {
                    linkType = "info";
                }
            }
            link.setProperty(DictionaryConst.PROPERTY_TYPE, linkType);
            metaverseBuilder.addLink(link);
        }
    }
    metaverseBuilder.addNode(node);
    addParentLink(documentDescriptor, node);
    // perform any necessary post processing - currently only supported on IClonableStepAnalyzers
    for (final AnalyzerHolder analyzerHolder : analyzerHolders) {
        if (analyzerHolder.getAnalyzer() instanceof IClonableStepAnalyzer) {
            final IClonableStepAnalyzer clonableAnalyzer = (IClonableStepAnalyzer) analyzerHolder.getAnalyzer();
            clonableAnalyzer.postAnalyze(analyzerHolder.getMeta());
        }
    }
    return node;
}