Examples with ITupleReference org.apache.hyracks.dataflow.common.data.accessors.ITupleReference used on opensource projects

Example 86 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class IndexSearchOperatorNodePushable method writeSearchResults.

protected void writeSearchResults(int tupleIndex) throws Exception {
    boolean matched = false;
    while (cursor.hasNext()) {
        matched = true;
        tb.reset();
        cursor.next();
        if (retainInput) {
            frameTuple.reset(accessor, tupleIndex);
            for (int i = 0; i < frameTuple.getFieldCount(); i++) {
                dos.write(frameTuple.getFieldData(i), frameTuple.getFieldStart(i), frameTuple.getFieldLength(i));
                tb.addFieldEndOffset();
            }
        }
        ITupleReference tuple = cursor.getTuple();
        writeTupleToOutput(tuple);
        if (appendIndexFilter) {
            writeFilterTupleToOutput(cursor.getFilterMinTuple());
            writeFilterTupleToOutput(cursor.getFilterMaxTuple());
        }
        FrameUtils.appendToWriter(writer, appender, tb.getFieldEndOffsets(), tb.getByteArray(), 0, tb.getSize());
    }
    if (!matched && retainInput && retainMissing) {
        FrameUtils.appendConcatToWriter(writer, appender, accessor, tupleIndex, nonMatchTupleBuild.getFieldEndOffsets(), nonMatchTupleBuild.getByteArray(), 0, nonMatchTupleBuild.getSize());
    }
}

Example 87 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference 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 88 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference in project asterixdb by apache.

the class MetadataNode method addFeed.

@Override
public void addFeed(JobId jobId, Feed feed) throws MetadataException, RemoteException {
    try {
        // Insert into the 'Feed' dataset.
        FeedTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getFeedTupleTranslator(true);
        ITupleReference feedTuple = tupleReaderWriter.getTupleFromMetadataEntity(feed);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.FEED_DATASET, feedTuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A feed with this name " + feed.getFeedName() + " already exists in dataverse '" + feed.getDataverseName() + "'.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}

Example 89 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference 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);
    }
}

Example 90 with ITupleReference

use of org.apache.hyracks.dataflow.common.data.accessors.ITupleReference 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);
    }
}