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

Example 11 with MetadataEntityValueExtractor

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

the class MetadataNode method getFeedConnections.

@Override
public List<FeedConnection> getFeedConnections(JobId jobId, String dataverseName, String feedName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, feedName);
        FeedConnectionTupleTranslator tupleReaderWriter = new FeedConnectionTupleTranslator(false);
        List<FeedConnection> results = new ArrayList<>();
        IValueExtractor<FeedConnection> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.FEED_CONNECTION_DATASET, searchKey, valueExtractor, results);
        return results;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 12 with MetadataEntityValueExtractor

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

the class MetadataNode method getAllDatasets.

public List<Dataset> getAllDatasets(JobId jobId) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = null;
        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);
    }
}

Example 13 with MetadataEntityValueExtractor

use of org.apache.asterix.metadata.valueextractors.MetadataEntityValueExtractor 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 14 with MetadataEntityValueExtractor

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

the class MetadataNode method getFeedPolicy.

@Override
public FeedPolicyEntity getFeedPolicy(JobId jobId, String dataverse, String policyName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverse, policyName);
        FeedPolicyTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getFeedPolicyTupleTranslator(false);
        List<FeedPolicyEntity> results = new ArrayList<>();
        IValueExtractor<FeedPolicyEntity> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.FEED_POLICY_DATASET, searchKey, valueExtractor, results);
        if (!results.isEmpty()) {
            return results.get(0);
        }
        return null;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 15 with MetadataEntityValueExtractor

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

the class MetadataNode method getExternalFile.

@Override
public ExternalFile getExternalFile(JobId jobId, String dataverseName, String datasetName, Integer fileNumber) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createExternalFileSearchTuple(dataverseName, datasetName, fileNumber);
        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);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}