Package io.camunda.zeebe.engine.processing.streamprocessor.writers

Interface TypedEventWriter

All Known Subinterfaces:
StateWriter
public interface TypedEventWriter

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    appendFollowUpEvent(long key, Intent intent, RecordValue value)
    Append a follow up event to the result builder
    boolean
    canWriteEventOfLength(int eventLength)
    Use this to know whether you can write an event of this length.

  • Method Details

    • appendFollowUpEvent

      void appendFollowUpEvent(long key, Intent intent, RecordValue value)
      Append a follow up event to the result builder
      Parameters:
      key - the key of the event
      intent - the intent of the event
      value - the record of the event
      Throws:
      ExceededBatchRecordSizeException - if the appended event doesn't fit into the RecordBatch

    • canWriteEventOfLength

      boolean canWriteEventOfLength(int eventLength)
      Use this to know whether you can write an event of this length.

      Example: 

      
 final TypedEventWriter writer;
 // ... assign the writer
 final TypedRecord<?> record;
 // ... assign record
 if (!writer.canWriteEventOfLength(record.getLength())) {
   // raise an incident or some such
   return;
 }
      Parameters:
      eventLength - the length of the event that will be written
      Returns:
      true if an event of length eventLength can be written