Examples with DatatypeTupleTranslator org.apache.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator used on opensource projects

Example 1 with DatatypeTupleTranslator

use of org.apache.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator in project asterixdb by apache.

the class MetadataNode method getDataverseDatatypes.

private List<Datatype> getDataverseDatatypes(JobId jobId, String dataverseName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName);
        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 2 with DatatypeTupleTranslator

use of org.apache.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator 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 3 with DatatypeTupleTranslator

use of org.apache.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator 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 4 with DatatypeTupleTranslator

use of org.apache.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator in project asterixdb by apache.

the class MetadataNode method getDatatype.

@Override
public Datatype getDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, datatypeName);
        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);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}