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Package message-bus-doctrine
Short Description Doctrine ORM integration for nepada/message-bus
License BSD-3-Clause
Informations about the package message-bus-doctrine
Message Bus Doctrine ORM Extension
Installation
Via Composer:
Usage
Recording domain events inside entities
Make your entities implement Nepada\MessageBusDoctrine\Events\ContainsRecordedEvents
(e.g. by using Nepada\MessageBusDoctrine\Events\PrivateEventRecorder
trait) and record domain events inside the entities. The events will be automatically collected and dispatched on flush.
Transaction handling
TransactionMiddleware
wraps the command handling into a database transaction. All changes made by lower layers are automatically flushed and commited, or rolled back on error.
It is highly recommended to use PreventOuterTransactionMiddleware
to ensure there is no outer database transaction started outside of the message bus stack.
Not doing so might lead to unwanted behavior such as dispatching and processing events before the changes made in command handler were actually persisted.
Clearing entity manager
Use ClearEntityManagerMiddleware
to clear entity manager before and/or after the message is handled.
Note: Entity manager will not be cleared when inside active transaction, i.e. the middleware order is important.
Credits
Event recording idea and parts of its implementation are based on simple-bus/doctrine-orm-bridge by Matthias Noback, Cliff Odijk, Ruud Kamphuis.
All versions of message-bus-doctrine with dependencies
doctrine/orm Version ^2.13@dev || ^3.0@dev
doctrine/persistence Version ^2.5 || ^3.0
nepada/message-bus Version ^2.0@dev || ^3.0@dev