How to use

getAll

method

in

org.apache.carbondata.core.cache.Cache

@Override public List<CoarseGrainDataMap> getDataMaps(Segment segment) throws IOException {
 List<CoarseGrainDataMap> dataMaps = new ArrayList<>();
 Set<TableBlockIndexUniqueIdentifier> identifiers =
   getTableBlockIndexUniqueIdentifiers(segment);
 List<TableBlockIndexUniqueIdentifierWrapper> tableBlockIndexUniqueIdentifierWrappers =
   new ArrayList<>(identifiers.size());
 for (TableBlockIndexUniqueIdentifier tableBlockIndexUniqueIdentifier : identifiers) {
  tableBlockIndexUniqueIdentifierWrappers.add(
    new TableBlockIndexUniqueIdentifierWrapper(tableBlockIndexUniqueIdentifier,
      this.getCarbonTable()));
 }
 List<BlockletDataMapIndexWrapper> blockletDataMapIndexWrappers =
   cache.getAll(tableBlockIndexUniqueIdentifierWrappers);
 for (BlockletDataMapIndexWrapper wrapper : blockletDataMapIndexWrappers) {
  dataMaps.addAll(wrapper.getDataMaps());
 }
 return dataMaps;
}

  .createCache(CacheType.FORWARD_DICTIONARY);
List<Dictionary> columnDictionaryList =
  forwardDictionaryCache.getAll(dictionaryColumnUniqueIdentifiers);
Map<String, Dictionary> columnDictionaryMap = new HashMap<>(columnDictionaryList.size());
for (int i = 0; i < dictionaryColumnUniqueIdentifiers.size(); i++) {

  cache.getAll(tableBlockIndexUniqueIdentifierWrappers);
for (BlockletDataMapIndexWrapper wrapper : blockletDataMapIndexWrappers) {
 Segment segment = segmentMap.get(wrapper.getSegmentId());

List<BlockletDataMapIndexWrapper> wrappers = cache.getAll(identifiersWrapper);
for (BlockletDataMapIndexWrapper wrapper : wrappers) {
 dataMaps.addAll(wrapper.getDataMaps());