Examples with Dataset org.apache.asterix.metadata.entities.Dataset used on opensource projects

Example 6 with Dataset

use of org.apache.asterix.metadata.entities.Dataset in project asterixdb by apache.

the class ExternalIndexingOperations method createTransactionDataset.

public static Dataset createTransactionDataset(Dataset dataset) {
    ExternalDatasetDetails originalDsd = (ExternalDatasetDetails) dataset.getDatasetDetails();
    ExternalDatasetDetails dsd = new ExternalDatasetDetails(originalDsd.getAdapter(), originalDsd.getProperties(), originalDsd.getTimestamp(), TransactionState.BEGIN);
    return new Dataset(dataset.getDataverseName(), dataset.getDatasetName(), dataset.getItemTypeDataverseName(), dataset.getItemTypeName(), dataset.getNodeGroupName(), dataset.getCompactionPolicy(), dataset.getCompactionPolicyProperties(), dsd, dataset.getHints(), DatasetType.EXTERNAL, dataset.getDatasetId(), dataset.getPendingOp());
}

Example 7 with Dataset

use of org.apache.asterix.metadata.entities.Dataset in project asterixdb by apache.

the class RebalanceApiServlet method getAllDatasetsForRebalance.

// Lists all datasets that should be rebalanced in a given datavserse.
private List<Dataset> getAllDatasetsForRebalance(String dataverseName) throws Exception {
    List<Dataset> datasets;
    MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
    try {
        datasets = getDatasetsInDataverseForRebalance(dataverseName, mdTxnCtx);
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
    } catch (Exception e) {
        MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
        throw e;
    }
    return datasets;
}

Example 8 with Dataset

use of org.apache.asterix.metadata.entities.Dataset 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 9 with Dataset

use of org.apache.asterix.metadata.entities.Dataset in project asterixdb by apache.

the class MetadataNode method getDataverseDatasets.

@Override
public List<Dataset> getDataverseDatasets(JobId jobId, String dataverseName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName);
        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 10 with Dataset

use of org.apache.asterix.metadata.entities.Dataset 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);
    }
}