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

Example 26 with ITupleReference

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

the class MetadataNode method addDataset.

@Override
public void addDataset(JobId jobId, Dataset dataset) throws MetadataException, RemoteException {
    try {
        // Insert into the 'dataset' dataset.
        DatasetTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getDatasetTupleTranslator(true);
        ITupleReference datasetTuple = tupleReaderWriter.getTupleFromMetadataEntity(dataset);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
        if (dataset.getDatasetType() == DatasetType.INTERNAL) {
            // Add the primary index for the dataset.
            InternalDatasetDetails id = (InternalDatasetDetails) dataset.getDatasetDetails();
            Index primaryIndex = new Index(dataset.getDataverseName(), dataset.getDatasetName(), dataset.getDatasetName(), IndexType.BTREE, id.getPrimaryKey(), id.getKeySourceIndicator(), id.getPrimaryKeyType(), false, true, dataset.getPendingOp());
            addIndex(jobId, primaryIndex);
        }
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A dataset with this name " + dataset.getDatasetName() + " already exists in dataverse '" + dataset.getDataverseName() + "'.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 27 with ITupleReference

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

the class MetadataNode method getDataverseLibraries.

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

Example 28 with ITupleReference

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

the class MetadataNode method addDatatype.

@Override
public void addDatatype(JobId jobId, Datatype datatype) throws MetadataException, RemoteException {
    try {
        DatatypeTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getDataTypeTupleTranslator(jobId, this, true);
        ITupleReference tuple = tupleReaderWriter.getTupleFromMetadataEntity(datatype);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A datatype with name '" + datatype.getDatatypeName() + "' already exists.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 29 with ITupleReference

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

the class MetadataNode method addEntity.

// TODO(amoudi): make all metadata operations go through the generic methods
/**
     * Add entity to index
     *
     * @param jobId
     * @param entity
     * @param tupleTranslator
     * @param index
     * @throws MetadataException
     */
private <T> void addEntity(JobId jobId, T entity, IMetadataEntityTupleTranslator<T> tupleTranslator, IMetadataIndex index) throws MetadataException {
    try {
        ITupleReference tuple = tupleTranslator.getTupleFromMetadataEntity(entity);
        insertTupleIntoIndex(jobId, index, tuple);
    } catch (HyracksDataException | ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 30 with ITupleReference

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

the class MetadataNode method updateDataset.

@Override
public void updateDataset(JobId jobId, Dataset dataset) throws MetadataException, RemoteException {
    try {
        // This method will delete previous entry of the dataset and insert the new one
        // Delete entry from the 'datasets' dataset.
        ITupleReference searchKey;
        searchKey = createTuple(dataset.getDataverseName(), dataset.getDatasetName());
        // Searches the index for the tuple to be deleted. Acquires an S
        // lock on the 'dataset' dataset.
        ITupleReference datasetTuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey);
        deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
        // Previous tuple was deleted
        // Insert into the 'dataset' dataset.
        DatasetTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getDatasetTupleTranslator(true);
        datasetTuple = tupleReaderWriter.getTupleFromMetadataEntity(dataset);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
    } catch (HyracksDataException | ACIDException e) {
        throw new MetadataException(e);
    }
}