Examples with MDSKey co.cask.cdap.data2.dataset2.lib.table.MDSKey used on opensource projects

Example 46 with MDSKey

use of co.cask.cdap.data2.dataset2.lib.table.MDSKey in project cdap by caskdata.

the class UsageDataset method getDatasets.

/**
   * Returns datasets used by an application.
   * @param applicationId application
   * @return datasets used by applicaionId
   */
public Set<DatasetId> getDatasets(ApplicationId applicationId) {
    ProgramId programId = ProgramKeyMaker.getProgramId(applicationId);
    OrderedPair<ProgramId, DatasetId> orderedPair = orderedPairs.get(PROGRAM, DATASET);
    Map<MDSKey, Boolean> datasetKeys = listKV(orderedPair.makeScanKey(programId), Boolean.TYPE);
    return orderedPair.getSecond(datasetKeys.keySet());
}

Example 47 with MDSKey

use of co.cask.cdap.data2.dataset2.lib.table.MDSKey in project cdap by caskdata.

the class UsageDataset method getStreams.

/**
   * Returns streams used by an application.
   * @param applicationId application
   * @return streams used by applicaionId
   */
public Set<StreamId> getStreams(ApplicationId applicationId) {
    ProgramId programId = ProgramKeyMaker.getProgramId(applicationId);
    OrderedPair<ProgramId, StreamId> orderedPair = orderedPairs.get(PROGRAM, STREAM);
    Map<MDSKey, Boolean> datasetKeys = listKV(orderedPair.makeScanKey(programId), Boolean.TYPE);
    return orderedPair.getSecond(datasetKeys.keySet());
}

Example 48 with MDSKey

use of co.cask.cdap.data2.dataset2.lib.table.MDSKey in project cdap by caskdata.

the class LineageDataset method toRelation.

private Relation toRelation(Row row) {
    Map<Character, EntityId> rowInfo = new HashMap<>(4);
    MDSKey.Splitter splitter = new MDSKey(row.getRow()).split();
    char marker = (char) splitter.getInt();
    LOG.trace("Got marker {}", marker);
    EntityId id1 = toEntityId(splitter, marker);
    LOG.trace("Got id1 {}", id1);
    rowInfo.put(marker, id1);
    // inverted time - not required for relation
    splitter.skipLong();
    marker = (char) splitter.getInt();
    LOG.trace("Got marker {}", marker);
    EntityId id2 = toEntityId(splitter, marker);
    LOG.trace("Got id2 {}", id1);
    rowInfo.put(marker, id2);
    RunId runId = RunIds.fromString(splitter.getString());
    LOG.trace("Got runId {}", runId);
    AccessType accessType = AccessType.fromType((char) splitter.getInt());
    LOG.trace("Got access type {}", accessType);
    DatasetId datasetInstance = (DatasetId) rowInfo.get(DATASET_MARKER);
    LOG.trace("Got datasetInstance {}", datasetInstance);
    StreamId stream = (StreamId) rowInfo.get(STREAM_MARKER);
    LOG.trace("Got stream {}", stream);
    ProgramId program = (ProgramId) rowInfo.get(PROGRAM_MARKER);
    LOG.trace("Got program {}", program);
    NamespacedEntityId component = toComponent(splitter, program);
    LOG.trace("Got component {}", component);
    if (stream == null) {
        return new Relation(datasetInstance, program, accessType, runId, component == null ? ImmutableSet.<NamespacedEntityId>of() : ImmutableSet.of((NamespacedEntityId) component));
    }
    return new Relation(stream, program, accessType, runId, component == null ? ImmutableSet.<NamespacedEntityId>of() : ImmutableSet.of((NamespacedEntityId) component));
}