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

Example 11 with ITupleReference

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

the class MetadataNode method addAdapter.

@Override
public void addAdapter(JobId jobId, DatasourceAdapter adapter) throws MetadataException, RemoteException {
    try {
        // Insert into the 'Adapter' dataset.
        DatasourceAdapterTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getAdapterTupleTranslator(true);
        ITupleReference adapterTuple = tupleReaderWriter.getTupleFromMetadataEntity(adapter);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, adapterTuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A adapter with this name " + adapter.getAdapterIdentifier().getName() + " already exists in dataverse '" + adapter.getAdapterIdentifier().getNamespace() + "'.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 12 with ITupleReference

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

the class MetadataNode method addFunction.

@Override
public void addFunction(JobId jobId, Function function) throws MetadataException, RemoteException {
    try {
        // Insert into the 'function' dataset.
        FunctionTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getFunctionTupleTranslator(true);
        ITupleReference functionTuple = tupleReaderWriter.getTupleFromMetadataEntity(function);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, functionTuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A function with this name " + function.getName() + " and arity " + function.getArity() + " already exists in dataverse '" + function.getDataverseName() + "'.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 13 with ITupleReference

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

the class MetadataNode method dropFunction.

@Override
public void dropFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException, RemoteException {
    Function function = getFunction(jobId, functionSignature);
    if (function == null) {
        throw new MetadataException("Cannot drop function '" + functionSignature.toString() + "' because it doesn't exist.");
    }
    try {
        // Delete entry from the 'function' dataset.
        ITupleReference searchKey = createTuple(functionSignature.getNamespace(), functionSignature.getName(), "" + functionSignature.getArity());
        // Searches the index for the tuple to be deleted. Acquires an S
        // lock on the 'function' dataset.
        ITupleReference functionTuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, searchKey);
        deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, functionTuple);
    // 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("There is no function with the name " + functionSignature.getName() + " and arity " + functionSignature.getArity(), e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 14 with ITupleReference

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

the class MetadataNode method getAllDatatypes.

public List<Datatype> getAllDatatypes(JobId jobId) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = null;
        DatatypeTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getDataTypeTupleTranslator(jobId, this, false);
        IValueExtractor<Datatype> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<Datatype> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey, valueExtractor, results);
        return results;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 15 with ITupleReference

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

the class MetadataNode method getDataverseDatasets.

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