Convenience implementation of
ChangeCallback that provides no-op implementations for all methods.
Discards the provided
Change and returns
true to continue streaming.
||may be thrown by derived classes
Informs the callback that no more
changes are available.
Note: The system applies a hard cap to the number of changes it is willing to stream, regardless of how many the
callback is willing to consume. If that cap is reached,
will be set to
that there are more changes available than have been streamed, but the system is unwilling to provide them. Note
, that is not
true if the changes were truncated by the system and at least one change was not
streamed to the callback; otherwise,
false if all available changes have been streamed
or if the callback requested streaming end
Informs the callback that the system has begun processing changes and may begin streaming them. If there
are no changes available, this method may be followed immediately by
This method will always
be invoked before
is invoked for the first time.
will replace this method in Stash 3.0.