Class GroupCollector

All Implemented Interfaces:

public class GroupCollector extends Object implements TridentCollector
  • Field Details

  • Constructor Details

  • Method Details

    • emit

      public void emit(List<Object> values)
      Description copied from interface: TridentCollector
      Emits a tuple to a Stream.
      Specified by:
      emit in interface TridentCollector
      values - a list of values of which the tuple will be composed
    • flush

      public void flush()
      Description copied from interface: TridentCollector
      Flush any buffered tuples (when batching is enabled).
      Specified by:
      flush in interface TridentCollector
    • reportError

      public void reportError(Throwable t)
      Description copied from interface: TridentCollector
      Reports an error. The corresponding stack trace will be visible in the Storm UI.

      Note that calling this method does not alter the processing of a batch. To explicitly fail a batch and trigger a replay, components should throw FailedException.

      Specified by:
      reportError in interface TridentCollector
      t - The instance of the error (Throwable) being reported.