Examples with RepositoryDirectory org.pentaho.di.repository.RepositoryDirectory used on opensource projects

Example 1 with RepositoryDirectory

use of org.pentaho.di.repository.RepositoryDirectory in project pdi-dataservice-server-plugin by pentaho.

the class DataServiceReferenceSynchronizerTest method before.

@Before
public void before() {
    ObjectId transId = new StringObjectId("transId");
    when(transMeta.getMetaStore()).thenReturn(externalMetastore);
    when(transMeta.getEmbeddedMetaStore()).thenReturn(embeddedMetastore);
    when(transMeta.getObjectId()).thenReturn(transId);
    when(transMeta.getRepository()).thenReturn(repository);
    when(repository.getRepositoryMeta()).thenReturn(repositoryMeta);
    when(repositoryMeta.getRepositoryCapabilities()).thenReturn(mock(RepositoryCapabilities.class));
    RepositoryDirectoryInterface root = mock(RepositoryDirectoryInterface.class);
    RepositoryDirectoryInterface dir = new RepositoryDirectory(root, "location");
    when(root.findDirectory(eq("/"))).thenReturn(dir);
    try {
        when(repository.getTransformationID(eq("location"), eq(dir))).thenReturn(transId);
        when(repository.loadRepositoryDirectoryTree()).thenReturn(root);
    } catch (KettleException ke) {
    // Noop
    }
    when(context.getPushDownFactories()).thenReturn(Collections.emptyList());
    synchronizer = new DataServiceReferenceSynchronizer(context) {

        protected <T> MetaStoreFactory<T> getMetastoreFactory(IMetaStore metaStore, Class<T> clazz) {
            return externalMetaStoreFactory;
        }

        protected MetaStoreFactory<DataServiceMeta> getEmbeddedMetaStoreFactory(TransMeta meta) {
            return embeddedMetaStoreFactory;
        }
    };
}

Example 2 with RepositoryDirectory

use of org.pentaho.di.repository.RepositoryDirectory in project pentaho-kettle by pentaho.

the class KettleFileRepository method getUserHomeDirectory.

@Override
public RepositoryDirectoryInterface getUserHomeDirectory() throws KettleException {
    RepositoryDirectory root = new RepositoryDirectory();
    root.setObjectId(null);
    return loadRepositoryDirectoryTree(root);
}

Example 3 with RepositoryDirectory

use of org.pentaho.di.repository.RepositoryDirectory in project pentaho-kettle by pentaho.

the class KettleFileRepository method loadRepositoryDirectoryTree.

@Override
public RepositoryDirectoryInterface loadRepositoryDirectoryTree() throws KettleException {
    RepositoryDirectory root = new RepositoryDirectory();
    root.setObjectId(new StringObjectId("/"));
    return loadRepositoryDirectoryTree(root);
}

Example 4 with RepositoryDirectory

use of org.pentaho.di.repository.RepositoryDirectory in project pentaho-kettle by pentaho.

the class TransMeta method exportResources.

/**
 * Exports the specified objects to a flat-file system, adding content with filename keys to a set of definitions. The
 * supplied resource naming interface allows the object to name appropriately without worrying about those parts of
 * the implementation specific details.
 *
 * @param space
 *          the variable space to use
 * @param definitions
 * @param resourceNamingInterface
 * @param repository
 *          The repository to optionally load other resources from (to be converted to XML)
 * @param metaStore
 *          the metaStore in which non-kettle metadata could reside.
 *
 * @return the filename of the exported resource
 */
@Override
public String exportResources(VariableSpace space, Map<String, ResourceDefinition> definitions, ResourceNamingInterface resourceNamingInterface, Repository repository, IMetaStore metaStore) throws KettleException {
    try {
        // Handle naming for both repository and XML bases resources...
        // 
        String baseName;
        String originalPath;
        String fullname;
        String extension = "ktr";
        if (Utils.isEmpty(getFilename())) {
            // Assume repository...
            // 
            originalPath = directory.getPath();
            baseName = getName();
            fullname = directory.getPath() + (directory.getPath().endsWith(RepositoryDirectory.DIRECTORY_SEPARATOR) ? "" : RepositoryDirectory.DIRECTORY_SEPARATOR) + getName() + "." + // 
            extension;
        } else {
            // Assume file
            // 
            FileObject fileObject = KettleVFS.getFileObject(space.environmentSubstitute(getFilename()), space);
            originalPath = fileObject.getParent().getURL().toString();
            baseName = fileObject.getName().getBaseName();
            fullname = fileObject.getURL().toString();
        }
        String exportFileName = resourceNamingInterface.nameResource(baseName, originalPath, extension, ResourceNamingInterface.FileNamingType.TRANSFORMATION);
        ResourceDefinition definition = definitions.get(exportFileName);
        if (definition == null) {
            // If we do this once, it will be plenty :-)
            // 
            TransMeta transMeta = (TransMeta) this.realClone(false);
            // 
            for (StepMeta stepMeta : transMeta.getSteps()) {
                stepMeta.exportResources(space, definitions, resourceNamingInterface, repository, metaStore);
            }
            // Change the filename, calling this sets internal variables
            // inside of the transformation.
            // 
            transMeta.setFilename(exportFileName);
            // All objects get re-located to the root folder
            // 
            transMeta.setRepositoryDirectory(new RepositoryDirectory());
            // Set a number of parameters for all the data files referenced so far...
            // 
            Map<String, String> directoryMap = resourceNamingInterface.getDirectoryMap();
            if (directoryMap != null) {
                for (Map.Entry<String, String> entry : directoryMap.entrySet()) {
                    transMeta.addParameterDefinition(entry.getValue(), entry.getKey(), "Data file path discovered during export");
                }
            }
            // At the end, add ourselves to the map...
            // 
            String transMetaContent = transMeta.getXML();
            definition = new ResourceDefinition(exportFileName, transMetaContent);
            // 
            if (Utils.isEmpty(this.getFilename())) {
                // Repository
                definition.setOrigin(fullname);
            } else {
                definition.setOrigin(this.getFilename());
            }
            definitions.put(fullname, definition);
        }
        return exportFileName;
    } catch (FileSystemException e) {
        throw new KettleException(BaseMessages.getString(PKG, "TransMeta.Exception.ErrorOpeningOrValidatingTheXMLFile", getFilename()), e);
    } catch (KettleFileException e) {
        throw new KettleException(BaseMessages.getString(PKG, "TransMeta.Exception.ErrorOpeningOrValidatingTheXMLFile", getFilename()), e);
    }
}

Example 5 with RepositoryDirectory

use of org.pentaho.di.repository.RepositoryDirectory in project pentaho-kettle by pentaho.

the class TransMeta method loadXML.

/**
 * Parses an XML DOM (starting at the specified Node) that describes the transformation.
 *
 * @param transnode
 *          The XML node to load from
 * @param fname
 *          The filename
 * @param rep
 *          The repository to load the default list of database connections from (null if no repository is available)
 * @param setInternalVariables
 *          true if you want to set the internal variables based on this transformation information
 * @param parentVariableSpace
 *          the parent variable space to use during TransMeta construction
 * @param prompter
 *          the changed/replace listener or null if there is none
 * @throws KettleXMLException
 *           if any errors occur during parsing of the specified file
 * @throws KettleMissingPluginsException
 *           in case missing plugins were found (details are in the exception in that case)
 */
public void loadXML(Node transnode, String fname, IMetaStore metaStore, Repository rep, boolean setInternalVariables, VariableSpace parentVariableSpace, OverwritePrompter prompter) throws KettleXMLException, KettleMissingPluginsException {
    KettleMissingPluginsException missingPluginsException = new KettleMissingPluginsException(BaseMessages.getString(PKG, "TransMeta.MissingPluginsFoundWhileLoadingTransformation.Exception"));
    // Remember this as the primary meta store.
    this.metaStore = metaStore;
    try {
        Props props = null;
        if (Props.isInitialized()) {
            props = Props.getInstance();
        }
        initializeVariablesFrom(parentVariableSpace);
        try {
            // Clear the transformation
            clear();
            // Set the filename here so it can be used in variables for ALL aspects of the transformation FIX: PDI-8890
            if (null == rep) {
                setFilename(fname);
            } else {
                // Set the repository here so it can be used in variables for ALL aspects of the job FIX: PDI-16441
                setRepository(rep);
            }
            // 
            try {
                sharedObjectsFile = XMLHandler.getTagValue(transnode, "info", "shared_objects_file");
                sharedObjects = rep != null ? rep.readTransSharedObjects(this) : readSharedObjects();
            } catch (Exception e) {
                log.logError(BaseMessages.getString(PKG, "TransMeta.ErrorReadingSharedObjects.Message", e.toString()));
                log.logError(Const.getStackTracker(e));
            }
            // Load the database connections, slave servers, cluster schemas & partition schemas into this object.
            // 
            importFromMetaStore();
            // Handle connections
            int n = XMLHandler.countNodes(transnode, DatabaseMeta.XML_TAG);
            Set<String> privateTransformationDatabases = new HashSet<>(n);
            if (log.isDebug()) {
                log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.WeHaveConnections", String.valueOf(n)));
            }
            for (int i = 0; i < n; i++) {
                if (log.isDebug()) {
                    log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.LookingAtConnection") + i);
                }
                Node nodecon = XMLHandler.getSubNodeByNr(transnode, DatabaseMeta.XML_TAG, i);
                DatabaseMeta dbcon = new DatabaseMeta(nodecon);
                dbcon.shareVariablesWith(this);
                if (!dbcon.isShared()) {
                    privateTransformationDatabases.add(dbcon.getName());
                }
                DatabaseMeta exist = findDatabase(dbcon.getName());
                if (exist == null) {
                    addDatabase(dbcon);
                } else {
                    if (!exist.isShared()) {
                        // otherwise, we just keep the shared connection.
                        if (shouldOverwrite(prompter, props, BaseMessages.getString(PKG, "TransMeta.Message.OverwriteConnectionYN", dbcon.getName()), BaseMessages.getString(PKG, "TransMeta.Message.OverwriteConnection.DontShowAnyMoreMessage"))) {
                            int idx = indexOfDatabase(exist);
                            removeDatabase(idx);
                            addDatabase(idx, dbcon);
                        }
                    }
                }
            }
            setPrivateDatabases(privateTransformationDatabases);
            // Read the notes...
            Node notepadsnode = XMLHandler.getSubNode(transnode, XML_TAG_NOTEPADS);
            int nrnotes = XMLHandler.countNodes(notepadsnode, NotePadMeta.XML_TAG);
            for (int i = 0; i < nrnotes; i++) {
                Node notepadnode = XMLHandler.getSubNodeByNr(notepadsnode, NotePadMeta.XML_TAG, i);
                NotePadMeta ni = new NotePadMeta(notepadnode);
                notes.add(ni);
            }
            // Handle Steps
            int s = XMLHandler.countNodes(transnode, StepMeta.XML_TAG);
            if (log.isDebug()) {
                log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.ReadingSteps") + s + " steps...");
            }
            for (int i = 0; i < s; i++) {
                Node stepnode = XMLHandler.getSubNodeByNr(transnode, StepMeta.XML_TAG, i);
                if (log.isDebug()) {
                    log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.LookingAtStep") + i);
                }
                StepMeta stepMeta = new StepMeta(stepnode, databases, metaStore);
                // for tracing, retain hierarchy
                stepMeta.setParentTransMeta(this);
                if (stepMeta.isMissing()) {
                    addMissingTrans((MissingTrans) stepMeta.getStepMetaInterface());
                }
                // Check if the step exists and if it's a shared step.
                // If so, then we will keep the shared version, not this one.
                // The stored XML is only for backup purposes.
                // 
                StepMeta check = findStep(stepMeta.getName());
                if (check != null) {
                    if (!check.isShared()) {
                        // Don't overwrite shared objects
                        addOrReplaceStep(stepMeta);
                    } else {
                        // Just keep the drawn flag and location
                        check.setDraw(stepMeta.isDrawn());
                        check.setLocation(stepMeta.getLocation());
                    }
                } else {
                    // simply add it.
                    addStep(stepMeta);
                }
            }
            // Read the error handling code of the steps...
            // 
            Node errorHandlingNode = XMLHandler.getSubNode(transnode, XML_TAG_STEP_ERROR_HANDLING);
            int nrErrorHandlers = XMLHandler.countNodes(errorHandlingNode, StepErrorMeta.XML_ERROR_TAG);
            for (int i = 0; i < nrErrorHandlers; i++) {
                Node stepErrorMetaNode = XMLHandler.getSubNodeByNr(errorHandlingNode, StepErrorMeta.XML_ERROR_TAG, i);
                StepErrorMeta stepErrorMeta = new StepErrorMeta(this, stepErrorMetaNode, steps);
                if (stepErrorMeta.getSourceStep() != null) {
                    // a bit of a trick, I know.
                    stepErrorMeta.getSourceStep().setStepErrorMeta(stepErrorMeta);
                }
            }
            // 
            for (int i = 0; i < nrSteps(); i++) {
                StepMeta stepMeta = getStep(i);
                StepMetaInterface sii = stepMeta.getStepMetaInterface();
                if (sii != null) {
                    sii.searchInfoAndTargetSteps(steps);
                }
            }
            // Handle Hops
            // 
            Node ordernode = XMLHandler.getSubNode(transnode, XML_TAG_ORDER);
            n = XMLHandler.countNodes(ordernode, TransHopMeta.XML_HOP_TAG);
            if (log.isDebug()) {
                log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.WeHaveHops") + n + " hops...");
            }
            for (int i = 0; i < n; i++) {
                if (log.isDebug()) {
                    log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.LookingAtHop") + i);
                }
                Node hopnode = XMLHandler.getSubNodeByNr(ordernode, TransHopMeta.XML_HOP_TAG, i);
                TransHopMeta hopinf = new TransHopMeta(hopnode, steps);
                hopinf.setErrorHop(isErrorNode(errorHandlingNode, hopnode));
                addTransHop(hopinf);
            }
            // 
            // get transformation info:
            // 
            Node infonode = XMLHandler.getSubNode(transnode, XML_TAG_INFO);
            // Name
            // 
            setName(XMLHandler.getTagValue(infonode, "name"));
            // description
            // 
            description = XMLHandler.getTagValue(infonode, "description");
            // extended description
            // 
            extendedDescription = XMLHandler.getTagValue(infonode, "extended_description");
            // trans version
            // 
            trans_version = XMLHandler.getTagValue(infonode, "trans_version");
            // trans status
            // 
            trans_status = Const.toInt(XMLHandler.getTagValue(infonode, "trans_status"), -1);
            String transTypeCode = XMLHandler.getTagValue(infonode, "trans_type");
            transformationType = TransformationType.getTransformationTypeByCode(transTypeCode);
            // 
            if (rep != null) {
                String directoryPath = XMLHandler.getTagValue(infonode, "directory");
                if (directoryPath != null) {
                    directory = rep.findDirectory(directoryPath);
                    if (directory == null) {
                        // not found
                        // The root as default
                        directory = new RepositoryDirectory();
                    }
                }
            }
            // Read logging table information
            // 
            Node logNode = XMLHandler.getSubNode(infonode, "log");
            if (logNode != null) {
                // Backward compatibility...
                // 
                Node transLogNode = XMLHandler.getSubNode(logNode, TransLogTable.XML_TAG);
                if (transLogNode == null) {
                    // Load the XML
                    // 
                    transLogTable.findField(TransLogTable.ID.LINES_READ).setSubject(findStep(XMLHandler.getTagValue(infonode, "log", "read")));
                    transLogTable.findField(TransLogTable.ID.LINES_WRITTEN).setSubject(findStep(XMLHandler.getTagValue(infonode, "log", "write")));
                    transLogTable.findField(TransLogTable.ID.LINES_INPUT).setSubject(findStep(XMLHandler.getTagValue(infonode, "log", "input")));
                    transLogTable.findField(TransLogTable.ID.LINES_OUTPUT).setSubject(findStep(XMLHandler.getTagValue(infonode, "log", "output")));
                    transLogTable.findField(TransLogTable.ID.LINES_UPDATED).setSubject(findStep(XMLHandler.getTagValue(infonode, "log", "update")));
                    transLogTable.findField(TransLogTable.ID.LINES_REJECTED).setSubject(findStep(XMLHandler.getTagValue(infonode, "log", "rejected")));
                    transLogTable.setConnectionName(XMLHandler.getTagValue(infonode, "log", "connection"));
                    transLogTable.setSchemaName(XMLHandler.getTagValue(infonode, "log", "schema"));
                    transLogTable.setTableName(XMLHandler.getTagValue(infonode, "log", "table"));
                    transLogTable.findField(TransLogTable.ID.ID_BATCH).setEnabled("Y".equalsIgnoreCase(XMLHandler.getTagValue(infonode, "log", "use_batchid")));
                    transLogTable.findField(TransLogTable.ID.LOG_FIELD).setEnabled("Y".equalsIgnoreCase(XMLHandler.getTagValue(infonode, "log", "USE_LOGFIELD")));
                    transLogTable.setLogSizeLimit(XMLHandler.getTagValue(infonode, "log", "size_limit_lines"));
                    transLogTable.setLogInterval(XMLHandler.getTagValue(infonode, "log", "interval"));
                    transLogTable.findField(TransLogTable.ID.CHANNEL_ID).setEnabled(false);
                    transLogTable.findField(TransLogTable.ID.LINES_REJECTED).setEnabled(false);
                    performanceLogTable.setConnectionName(transLogTable.getConnectionName());
                    performanceLogTable.setTableName(XMLHandler.getTagValue(infonode, "log", "step_performance_table"));
                } else {
                    transLogTable.loadXML(transLogNode, databases, steps);
                }
                Node perfLogNode = XMLHandler.getSubNode(logNode, PerformanceLogTable.XML_TAG);
                if (perfLogNode != null) {
                    performanceLogTable.loadXML(perfLogNode, databases, steps);
                }
                Node channelLogNode = XMLHandler.getSubNode(logNode, ChannelLogTable.XML_TAG);
                if (channelLogNode != null) {
                    channelLogTable.loadXML(channelLogNode, databases, steps);
                }
                Node stepLogNode = XMLHandler.getSubNode(logNode, StepLogTable.XML_TAG);
                if (stepLogNode != null) {
                    stepLogTable.loadXML(stepLogNode, databases, steps);
                }
                Node metricsLogNode = XMLHandler.getSubNode(logNode, MetricsLogTable.XML_TAG);
                if (metricsLogNode != null) {
                    metricsLogTable.loadXML(metricsLogNode, databases, steps);
                }
            }
            // Maxdate range options...
            String maxdatcon = XMLHandler.getTagValue(infonode, "maxdate", "connection");
            maxDateConnection = findDatabase(maxdatcon);
            maxDateTable = XMLHandler.getTagValue(infonode, "maxdate", "table");
            maxDateField = XMLHandler.getTagValue(infonode, "maxdate", "field");
            String offset = XMLHandler.getTagValue(infonode, "maxdate", "offset");
            maxDateOffset = Const.toDouble(offset, 0.0);
            String mdiff = XMLHandler.getTagValue(infonode, "maxdate", "maxdiff");
            maxDateDifference = Const.toDouble(mdiff, 0.0);
            // Check the dependencies as far as dates are concerned...
            // We calculate BEFORE we run the MAX of these dates
            // If the date is larger then enddate, startdate is set to MIN_DATE
            // 
            Node depsNode = XMLHandler.getSubNode(infonode, XML_TAG_DEPENDENCIES);
            int nrDeps = XMLHandler.countNodes(depsNode, TransDependency.XML_TAG);
            for (int i = 0; i < nrDeps; i++) {
                Node depNode = XMLHandler.getSubNodeByNr(depsNode, TransDependency.XML_TAG, i);
                TransDependency transDependency = new TransDependency(depNode, databases);
                if (transDependency.getDatabase() != null && transDependency.getFieldname() != null) {
                    addDependency(transDependency);
                }
            }
            // Read the named parameters.
            Node paramsNode = XMLHandler.getSubNode(infonode, XML_TAG_PARAMETERS);
            int nrParams = XMLHandler.countNodes(paramsNode, "parameter");
            for (int i = 0; i < nrParams; i++) {
                Node paramNode = XMLHandler.getSubNodeByNr(paramsNode, "parameter", i);
                String paramName = XMLHandler.getTagValue(paramNode, "name");
                String defaultValue = XMLHandler.getTagValue(paramNode, "default_value");
                String descr = XMLHandler.getTagValue(paramNode, "description");
                addParameterDefinition(paramName, defaultValue, descr);
            }
            // Read the partitioning schemas
            // 
            Node partSchemasNode = XMLHandler.getSubNode(infonode, XML_TAG_PARTITIONSCHEMAS);
            int nrPartSchemas = XMLHandler.countNodes(partSchemasNode, PartitionSchema.XML_TAG);
            for (int i = 0; i < nrPartSchemas; i++) {
                Node partSchemaNode = XMLHandler.getSubNodeByNr(partSchemasNode, PartitionSchema.XML_TAG, i);
                PartitionSchema partitionSchema = new PartitionSchema(partSchemaNode);
                // Check if the step exists and if it's a shared step.
                // If so, then we will keep the shared version, not this one.
                // The stored XML is only for backup purposes.
                // 
                PartitionSchema check = findPartitionSchema(partitionSchema.getName());
                if (check != null) {
                    if (!check.isShared()) {
                        // we don't overwrite shared objects.
                        if (shouldOverwrite(prompter, props, BaseMessages.getString(PKG, "TransMeta.Message.OverwritePartitionSchemaYN", partitionSchema.getName()), BaseMessages.getString(PKG, "TransMeta.Message.OverwriteConnection.DontShowAnyMoreMessage"))) {
                            addOrReplacePartitionSchema(partitionSchema);
                        }
                    }
                } else {
                    partitionSchemas.add(partitionSchema);
                }
            }
            // 
            for (int i = 0; i < nrSteps(); i++) {
                StepPartitioningMeta stepPartitioningMeta = getStep(i).getStepPartitioningMeta();
                if (stepPartitioningMeta != null) {
                    stepPartitioningMeta.setPartitionSchemaAfterLoading(partitionSchemas);
                }
                StepPartitioningMeta targetStepPartitioningMeta = getStep(i).getTargetStepPartitioningMeta();
                if (targetStepPartitioningMeta != null) {
                    targetStepPartitioningMeta.setPartitionSchemaAfterLoading(partitionSchemas);
                }
            }
            // Read the slave servers...
            // 
            Node slaveServersNode = XMLHandler.getSubNode(infonode, XML_TAG_SLAVESERVERS);
            int nrSlaveServers = XMLHandler.countNodes(slaveServersNode, SlaveServer.XML_TAG);
            for (int i = 0; i < nrSlaveServers; i++) {
                Node slaveServerNode = XMLHandler.getSubNodeByNr(slaveServersNode, SlaveServer.XML_TAG, i);
                SlaveServer slaveServer = new SlaveServer(slaveServerNode);
                if (slaveServer.getName() == null) {
                    log.logError(BaseMessages.getString(PKG, "TransMeta.Log.WarningWhileCreationSlaveServer", slaveServer.getName()));
                    continue;
                }
                slaveServer.shareVariablesWith(this);
                // Check if the object exists and if it's a shared object.
                // If so, then we will keep the shared version, not this one.
                // The stored XML is only for backup purposes.
                SlaveServer check = findSlaveServer(slaveServer.getName());
                if (check != null) {
                    if (!check.isShared()) {
                        // we don't overwrite shared objects.
                        if (shouldOverwrite(prompter, props, BaseMessages.getString(PKG, "TransMeta.Message.OverwriteSlaveServerYN", slaveServer.getName()), BaseMessages.getString(PKG, "TransMeta.Message.OverwriteConnection.DontShowAnyMoreMessage"))) {
                            addOrReplaceSlaveServer(slaveServer);
                        }
                    }
                } else {
                    slaveServers.add(slaveServer);
                }
            }
            // Read the cluster schemas
            // 
            Node clusterSchemasNode = XMLHandler.getSubNode(infonode, XML_TAG_CLUSTERSCHEMAS);
            int nrClusterSchemas = XMLHandler.countNodes(clusterSchemasNode, ClusterSchema.XML_TAG);
            for (int i = 0; i < nrClusterSchemas; i++) {
                Node clusterSchemaNode = XMLHandler.getSubNodeByNr(clusterSchemasNode, ClusterSchema.XML_TAG, i);
                ClusterSchema clusterSchema = new ClusterSchema(clusterSchemaNode, slaveServers);
                clusterSchema.shareVariablesWith(this);
                // Check if the object exists and if it's a shared object.
                // If so, then we will keep the shared version, not this one.
                // The stored XML is only for backup purposes.
                ClusterSchema check = findClusterSchema(clusterSchema.getName());
                if (check != null) {
                    if (!check.isShared()) {
                        // we don't overwrite shared objects.
                        if (shouldOverwrite(prompter, props, BaseMessages.getString(PKG, "TransMeta.Message.OverwriteClusterSchemaYN", clusterSchema.getName()), BaseMessages.getString(PKG, "TransMeta.Message.OverwriteConnection.DontShowAnyMoreMessage"))) {
                            addOrReplaceClusterSchema(clusterSchema);
                        }
                    }
                } else {
                    clusterSchemas.add(clusterSchema);
                }
            }
            // 
            for (int i = 0; i < nrSteps(); i++) {
                getStep(i).setClusterSchemaAfterLoading(clusterSchemas);
            }
            String srowset = XMLHandler.getTagValue(infonode, "size_rowset");
            sizeRowset = Const.toInt(srowset, Const.ROWS_IN_ROWSET);
            sleepTimeEmpty = Const.toInt(XMLHandler.getTagValue(infonode, "sleep_time_empty"), Const.TIMEOUT_GET_MILLIS);
            sleepTimeFull = Const.toInt(XMLHandler.getTagValue(infonode, "sleep_time_full"), Const.TIMEOUT_PUT_MILLIS);
            usingUniqueConnections = "Y".equalsIgnoreCase(XMLHandler.getTagValue(infonode, "unique_connections"));
            feedbackShown = !"N".equalsIgnoreCase(XMLHandler.getTagValue(infonode, "feedback_shown"));
            feedbackSize = Const.toInt(XMLHandler.getTagValue(infonode, "feedback_size"), Const.ROWS_UPDATE);
            usingThreadPriorityManagment = !"N".equalsIgnoreCase(XMLHandler.getTagValue(infonode, "using_thread_priorities"));
            // Performance monitoring for steps...
            // 
            capturingStepPerformanceSnapShots = "Y".equalsIgnoreCase(XMLHandler.getTagValue(infonode, "capture_step_performance"));
            stepPerformanceCapturingDelay = Const.toLong(XMLHandler.getTagValue(infonode, "step_performance_capturing_delay"), 1000);
            stepPerformanceCapturingSizeLimit = XMLHandler.getTagValue(infonode, "step_performance_capturing_size_limit");
            // Created user/date
            createdUser = XMLHandler.getTagValue(infonode, "created_user");
            String createDate = XMLHandler.getTagValue(infonode, "created_date");
            if (createDate != null) {
                createdDate = XMLHandler.stringToDate(createDate);
            }
            // Changed user/date
            modifiedUser = XMLHandler.getTagValue(infonode, "modified_user");
            String modDate = XMLHandler.getTagValue(infonode, "modified_date");
            if (modDate != null) {
                modifiedDate = XMLHandler.stringToDate(modDate);
            }
            Node partitionDistNode = XMLHandler.getSubNode(transnode, SlaveStepCopyPartitionDistribution.XML_TAG);
            if (partitionDistNode != null) {
                slaveStepCopyPartitionDistribution = new SlaveStepCopyPartitionDistribution(partitionDistNode);
            } else {
                // leave empty
                slaveStepCopyPartitionDistribution = new SlaveStepCopyPartitionDistribution();
            }
            // Is this a slave transformation?
            // 
            slaveTransformation = "Y".equalsIgnoreCase(XMLHandler.getTagValue(transnode, "slave_transformation"));
            if (log.isDebug()) {
                log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.NumberOfStepsReaded") + nrSteps());
                log.logDebug(BaseMessages.getString(PKG, "TransMeta.Log.NumberOfHopsReaded") + nrTransHops());
            }
            sortSteps();
            // Load the attribute groups map
            // 
            attributesMap = AttributesUtil.loadAttributes(XMLHandler.getSubNode(transnode, AttributesUtil.XML_TAG));
            keyForSessionKey = XMLHandler.stringToBinary(XMLHandler.getTagValue(infonode, "key_for_session_key"));
            isKeyPrivate = "Y".equals(XMLHandler.getTagValue(infonode, "is_key_private"));
        } catch (KettleXMLException xe) {
            throw new KettleXMLException(BaseMessages.getString(PKG, "TransMeta.Exception.ErrorReadingTransformation"), xe);
        } catch (KettleException e) {
            throw new KettleXMLException(e);
        } finally {
            initializeVariablesFrom(null);
            if (setInternalVariables) {
                setInternalKettleVariables();
            }
            ExtensionPointHandler.callExtensionPoint(log, KettleExtensionPoint.TransformationMetaLoaded.id, this);
        }
    } catch (Exception e) {
        // 
        if (!missingPluginsException.getMissingPluginDetailsList().isEmpty()) {
            throw missingPluginsException;
        } else {
            throw new KettleXMLException(BaseMessages.getString(PKG, "TransMeta.Exception.ErrorReadingTransformation"), e);
        }
    } finally {
        if (!missingPluginsException.getMissingPluginDetailsList().isEmpty()) {
            throw missingPluginsException;
        }
    }
}