cdeea924ff
The most prominent changes compared to eventsourced are: - No central processor and channel registry any more - Auto-recovery of processors on start and restart (can be disabled) - Recovery of processor networks doesn't require coordination - Explicit channel activation not needed any more - Message sequence numbers generated per processor (no gaps) - Sender references are journaled along with messages - Processors can determine their recovery status - No custom API on extension object, only messages - Journal created by extension from config, not by application - Applications only interact with processors and channels via messages - Internal design prepared for having processor-specific journal actors (for later optimization possibilities) Further additions and changes during review: - Allow processor implementation classes to use inherited stash - Channel support to resolve (potentially invalid) sender references - Logical intead of physical deletion of messages - Pinned dispatcher for LevelDB journal - Processor can handle failures during recovery - Message renamed to Persistent This prototype has the following limitations: - Serialization of persistent messages and their payload via JavaSerializer only (will be configurable later) - The LevelDB journal implementation based on a LevelDB Java port, not the native LevelDB (will be configurable later) The following features will be added later using separate tickets: - Snapshot-based recovery - Reliable channels - Journal plugin API - Optimizations - ... |
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