Package org.axonframework.eventsourcing.eventstore

Interface EventStorageEngine.AppendTransaction<R>

Type Parameters:
R - the type of the commit result
All Known Implementing Classes:
EmptyAppendTransaction
Enclosing interface:
EventStorageEngine
public static interface EventStorageEngine.AppendTransaction<R>
Interface representing the transaction of an appendEvents invocation.

Events may only be visible to consumers after the invocation of commit().

  • Method Summary

    Modifier and Type
    Method
    Description
    CompletableFuture<ConsistencyMarker>
    afterCommit(R commitResult)
    Returns a CompletableFuture to calculate the consistency marker.
    CompletableFuture<R>
    commit()
    Commit any underlying transactions to make the appended events visible to consumers.
    void
    rollback()
    Rolls back any events that have been appended, permanently making them unavailable for consumers.

  • Method Details

    • commit

      CompletableFuture<R> commit()
      Commit any underlying transactions to make the appended events visible to consumers.

      Called during the COMMIT phase.

      Returns:
      A CompletableFuture to complete the commit asynchrously, returning a value for
      invalid reference 
      afterCommit
      .

    • rollback

      void rollback()
      Rolls back any events that have been appended, permanently making them unavailable for consumers.

    • afterCommit

      CompletableFuture<ConsistencyMarker> afterCommit(R commitResult)
      Returns a CompletableFuture to calculate the consistency marker. This is called only after the transaction has been committed with the result of
      invalid reference 
      commit
      .

      Called during the AFTER_COMMIT phase.

      Parameters:
      commitResult - The result returned from the commit call.
      Returns:
      A CompletableFuture that completes with the new consistency marker for the transaction. If the transaction was empty (without events to append) then returned consistency marker is always ConsistencyMarker.ORIGIN.