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

Example 1 with MetadataEntityValueExtractor

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

the class MetadataNode method getExternalFiles.

@Override
public List<ExternalFile> getExternalFiles(JobId jobId, Dataset dataset) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataset.getDataverseName(), dataset.getDatasetName());
        ExternalFileTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getExternalFileTupleTranslator(false);
        IValueExtractor<ExternalFile> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<ExternalFile> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.EXTERNAL_FILE_DATASET, searchKey, valueExtractor, results);
        return results;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 2 with MetadataEntityValueExtractor

use of org.apache.asterix.metadata.valueextractors.MetadataEntityValueExtractor 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 3 with MetadataEntityValueExtractor

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

the class MetadataNode method getDataset.

@Override
public Dataset getDataset(JobId jobId, String dataverseName, String datasetName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, datasetName);
        DatasetTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getDatasetTupleTranslator(false);
        List<Dataset> results = new ArrayList<>();
        IValueExtractor<Dataset> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey, valueExtractor, results);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 4 with MetadataEntityValueExtractor

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

the class MetadataNode method getDataversePolicies.

@Override
public List<FeedPolicyEntity> getDataversePolicies(JobId jobId, String dataverse) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverse);
        FeedPolicyTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getFeedPolicyTupleTranslator(false);
        IValueExtractor<FeedPolicyEntity> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<FeedPolicyEntity> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.FEED_POLICY_DATASET, searchKey, valueExtractor, results);
        return results;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 5 with MetadataEntityValueExtractor

use of org.apache.asterix.metadata.valueextractors.MetadataEntityValueExtractor 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);
    }
}