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

Example 21 with MetadataEntityValueExtractor

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

the class MetadataNode method getDataverse.

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

Example 22 with MetadataEntityValueExtractor

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

the class MetadataNode method getDatasetIndexes.

@Override
public List<Index> getDatasetIndexes(JobId jobId, String dataverseName, String datasetName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, datasetName);
        IndexTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getIndexTupleTranslator(jobId, this, false);
        IValueExtractor<Index> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<Index> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey, valueExtractor, results);
        return results;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 23 with MetadataEntityValueExtractor

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

the class MetadataNode method getFeed.

@Override
public Feed getFeed(JobId jobId, String dataverse, String feedName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverse, feedName);
        FeedTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getFeedTupleTranslator(false);
        List<Feed> results = new ArrayList<>();
        IValueExtractor<Feed> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        searchIndex(jobId, MetadataPrimaryIndexes.FEED_DATASET, searchKey, valueExtractor, results);
        if (!results.isEmpty()) {
            return results.get(0);
        }
        return null;
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 24 with MetadataEntityValueExtractor

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

the class MetadataNode method getNodeGroup.

@Override
public NodeGroup getNodeGroup(JobId jobId, String nodeGroupName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(nodeGroupName);
        NodeGroupTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getNodeGroupTupleTranslator(false);
        IValueExtractor<NodeGroup> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<NodeGroup> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.NODEGROUP_DATASET, searchKey, valueExtractor, results);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 25 with MetadataEntityValueExtractor

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

the class MetadataNode method getDataverseFunctions.

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