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

Example 1 with IndexTupleTranslator

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

the class MetadataNode method addIndex.

@Override
public void addIndex(JobId jobId, Index index) throws MetadataException, RemoteException {
    try {
        IndexTupleTranslator tupleWriter = tupleTranslatorProvider.getIndexTupleTranslator(jobId, this, true);
        ITupleReference tuple = tupleWriter.getTupleFromMetadataEntity(index);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.INDEX_DATASET, tuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("An index with name '" + index.getIndexName() + "' already exists.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 2 with IndexTupleTranslator

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

the class MetadataNode method getIndex.

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

Example 3 with IndexTupleTranslator

use of org.apache.asterix.metadata.entitytupletranslators.IndexTupleTranslator 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);
    }
}