Examples with MetadataEntityValueExtractor org.apache.asterix.metadata.valueextractors.MetadataEntityValueExtractor used on opensource projects

Example 26 with MetadataEntityValueExtractor

use of org.apache.asterix.metadata.valueextractors.MetadataEntityValueExtractor in project asterixdb by apache.

the class MetadataNode method getLibrary.

@Override
public Library getLibrary(JobId jobId, String dataverseName, String libraryName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, libraryName);
        LibraryTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getLibraryTupleTranslator(false);
        List<Library> results = new ArrayList<>();
        IValueExtractor<Library> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.LIBRARY_DATASET, searchKey, valueExtractor, results);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 27 with MetadataEntityValueExtractor

use of org.apache.asterix.metadata.valueextractors.MetadataEntityValueExtractor in project asterixdb by apache.

the class MetadataNode method getAdapter.

@Override
public DatasourceAdapter getAdapter(JobId jobId, String dataverseName, String adapterName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, adapterName);
        DatasourceAdapterTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getAdapterTupleTranslator(false);
        List<DatasourceAdapter> results = new ArrayList<>();
        IValueExtractor<DatasourceAdapter> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey, valueExtractor, results);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}