io.spine.server.delivery

Interface ShardObserver

All Known Implementing Classes:

LocalDispatchingObserver

@SPI
public interface ShardObserver

An abstract base for observers of the updates made to the contents of shards.

Method Summary

Modifier and Type	Method and Description
void	onMessage(io.spine.server.delivery.InboxMessage update) A callback executed once the message was written into the shard.

Method Detail

onMessage

void onMessage(io.spine.server.delivery.InboxMessage update)

A callback executed once the message was written into the shard.

Allows the descendants to react upon this update. E.g. by scheduling a delivery from the shard with the specified index.

Parameters:

update - the message with which some shard was updated