Examples with ITupleReference org.apache.hyracks.dataflow.common.data.accessors.ITupleReference used on opensource projects

Example 91 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class MetadataNode method addLibrary.

@Override
public void addLibrary(JobId jobId, Library library) throws MetadataException, RemoteException {
    try {
        // Insert into the 'Library' dataset.
        LibraryTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getLibraryTupleTranslator(true);
        ITupleReference libraryTuple = tupleReaderWriter.getTupleFromMetadataEntity(library);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.LIBRARY_DATASET, libraryTuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A library with this name " + library.getDataverseName() + " already exists in dataverse '" + library.getDataverseName() + "'.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 92 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class MetadataNode method dropDatatype.

@Override
public void dropDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException, RemoteException {
    confirmDatatypeIsUnused(jobId, dataverseName, datatypeName);
    // Delete the datatype entry, including all it's nested anonymous types.
    try {
        ITupleReference searchKey = createTuple(dataverseName, datatypeName);
        // Searches the index for the tuple to be deleted. Acquires an S
        // lock on the 'datatype' dataset.
        ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey);
        // Get nested types
        List<String> nestedTypes = getNestedComplexDatatypeNamesForThisDatatype(jobId, dataverseName, datatypeName);
        deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
        for (String nestedType : nestedTypes) {
            Datatype dt = getDatatype(jobId, dataverseName, nestedType);
            if (dt != null && dt.getIsAnonymous()) {
                dropDatatype(jobId, dataverseName, dt.getDatatypeName());
            }
        }
    // TODO: Change this to be a BTree specific exception, e.g.,
    // BTreeKeyDoesNotExistException.
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.UPDATE_OR_DELETE_NON_EXISTENT_KEY) {
            throw new MetadataException("Cannot drop type '" + datatypeName + "' because it doesn't exist", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 93 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class MetadataNode method getDataverseAdapters.

@Override
public List<DatasourceAdapter> getDataverseAdapters(JobId jobId, String dataverseName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName);
        DatasourceAdapterTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getAdapterTupleTranslator(false);
        IValueExtractor<DatasourceAdapter> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<DatasourceAdapter> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey, valueExtractor, results);
        return results;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 94 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class MetadataNode method updateFunction.

@Override
public void updateFunction(JobId jobId, Function function) throws MetadataException, RemoteException {
    try {
        // remove old function
        ITupleReference searchKey;
        searchKey = createTuple(function.getDataverseName(), function.getName(), Integer.toString(function.getArity()));
        ITupleReference functionTuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, searchKey);
        deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, functionTuple);
        // add new function
        FunctionTupleTranslator functionTupleTranslator = tupleTranslatorProvider.getFunctionTupleTranslator(true);
        functionTuple = functionTupleTranslator.getTupleFromMetadataEntity(function);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, functionTuple);
    } catch (HyracksDataException | ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 95 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class MetadataNode method getCompactionPolicy.

@Override
public CompactionPolicy getCompactionPolicy(JobId jobId, String dataverse, String policyName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverse, policyName);
        CompactionPolicyTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getCompactionPolicyTupleTranslator(false);
        List<CompactionPolicy> results = new ArrayList<>();
        IValueExtractor<CompactionPolicy> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.COMPACTION_POLICY_DATASET, searchKey, valueExtractor, results);
        if (!results.isEmpty()) {
            return results.get(0);
        }
        return null;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}