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optionally pass plugin conf path to persistence plugins, #19822

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This commit is contained in:
Patrik Nordwall 2016-12-13 19:37:03 +01:00
parent 5b5cf4fc7b
commit 57e59c8496
9 changed files with 126 additions and 36 deletions
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32
akka-docs/rst/java/lambda-persistence.rst
View file

@ -870,15 +870,21 @@ A journal plugin can be activated with the following minimal configuration:
.. includecode:: ../scala/code/docs/persistence/PersistencePluginDocSpec.scala#journal-plugin-config
The specified plugin ``class`` must have a no-arg constructor. The ``plugin-dispatcher`` is the dispatcher
used for the plugin actor. If not specified, it defaults to ``akka.persistence.dispatchers.default-plugin-dispatcher``.
The journal plugin instance is an actor so the methods corresponding to requests from persistent actors
are executed sequentially. It may delegate to asynchronous libraries, spawn futures, or delegate to other
actors to achive parallelism.
The journal plugin class must have a constructor without parameters or a constructor with one ``com.typesafe.config.Config``
parameter. The plugin section of the actor system's config will be passed in the config constructor parameter.
The journal plugin class must have a constructor with one of these signatures:
* constructor with one ``com.typesafe.config.Config`` parameter and a ``String`` parameter for the config path
* constructor with one ``com.typesafe.config.Config`` parameter
* constructor without parameters
The plugin section of the actor system's config will be passed in the config constructor parameter. The config path
of the plugin is passed in the ``String`` parameter.
The ``plugin-dispatcher`` is the dispatcher used for the plugin actor. If not specified, it defaults to
``akka.persistence.dispatchers.default-plugin-dispatcher``.
Don't run journal tasks/futures on the system default dispatcher, since that might starve other tasks.
@ -893,15 +899,21 @@ A snapshot store plugin can be activated with the following minimal configuratio
.. includecode:: ../scala/code/docs/persistence/PersistencePluginDocSpec.scala#snapshot-store-plugin-config
The specified plugin ``class`` must have a no-arg constructor. The ``plugin-dispatcher`` is the dispatcher
used for the plugin actor. If not specified, it defaults to ``akka.persistence.dispatchers.default-plugin-dispatcher``.
The snapshot store instance is an actor so the methods corresponding to requests from persistent actors
are executed sequentially. It may delegate to asynchronous libraries, spawn futures, or delegate to other
actors to achive parallelism.
The snapshot store plugin class must have a constructor without parameters or constructor with one ``com.typesafe.config.Config``
parameter. The plugin section of the actor system's config will be passed in the config constructor parameter.
The snapshot store plugin class must have a constructor with one of these signatures:
* constructor with one ``com.typesafe.config.Config`` parameter and a ``String`` parameter for the config path
* constructor with one ``com.typesafe.config.Config`` parameter
* constructor without parameters
The plugin section of the actor system's config will be passed in the config constructor parameter. The config path
of the plugin is passed in the ``String`` parameter.
The ``plugin-dispatcher`` is the dispatcher used for the plugin actor. If not specified, it defaults to
``akka.persistence.dispatchers.default-plugin-dispatcher``.
Don't run snapshot store tasks/futures on the system default dispatcher, since that might starve other tasks.

10
akka-docs/rst/java/persistence-query.rst
View file

@ -255,6 +255,16 @@ And the ``EventsByTag`` could be backed by such an Actor for example:
.. includecode:: code/docs/persistence/query/MyEventsByTagJavaPublisher.java#events-by-tag-publisher
The ``ReadJournalProvider`` class must have a constructor with one of these signatures:
* constructor with a ``ExtendedActorSystem`` parameter, a ``com.typesafe.config.Config`` parameter, and a ``String`` parameter for the config path
* constructor with a ``ExtendedActorSystem`` parameter, and a ``com.typesafe.config.Config`` parameter
* constructor with one ``ExtendedActorSystem`` parameter
* constructor without parameters
The plugin section of the actor system's config will be passed in the config constructor parameter. The config path
of the plugin is passed in the ``String`` parameter.
If the underlying datastore only supports queries that are completed when they reach the
end of the "result set", the journal has to submit new queries after a while in order
to support "infinite" event streams that include events stored after the initial query

26
akka-docs/rst/java/persistence.rst
View file

@ -874,8 +874,14 @@ The journal plugin instance is an actor so the methods corresponding to requests
are executed sequentially. It may delegate to asynchronous libraries, spawn futures, or delegate to other
actors to achive parallelism.
The journal plugin class must have a constructor without parameters or a constructor with one ``com.typesafe.config.Config``
parameter. The plugin section of the actor system's config will be passed in the config constructor parameter.
The journal plugin class must have a constructor with one of these signatures:
* constructor with one ``com.typesafe.config.Config`` parameter and a ``String`` parameter for the config path
* constructor with one ``com.typesafe.config.Config`` parameter
* constructor without parameters
The plugin section of the actor system's config will be passed in the config constructor parameter. The config path
of the plugin is passed in the ``String`` parameter.
Don't run journal tasks/futures on the system default dispatcher, since that might starve other tasks.
@ -890,15 +896,21 @@ A snapshot store plugin can be activated with the following minimal configuratio
.. includecode:: ../scala/code/docs/persistence/PersistencePluginDocSpec.scala#snapshot-store-plugin-config
The specified plugin ``class`` must have a no-arg constructor. The ``plugin-dispatcher`` is the dispatcher
used for the plugin actor. If not specified, it defaults to ``akka.persistence.dispatchers.default-plugin-dispatcher``.
The snapshot store instance is an actor so the methods corresponding to requests from persistent actors
are executed sequentially. It may delegate to asynchronous libraries, spawn futures, or delegate to other
actors to achive parallelism.
The snapshot store plugin class must have a constructor without parameters or constructor with one ``com.typesafe.config.Config``
parameter. The plugin section of the actor system's config will be passed in the config constructor parameter.
The snapshot store plugin class must have a constructor with one of these signatures:
* constructor with one ``com.typesafe.config.Config`` parameter and a ``String`` parameter for the config path
* constructor with one ``com.typesafe.config.Config`` parameter
* constructor without parameters
The plugin section of the actor system's config will be passed in the config constructor parameter. The config path
of the plugin is passed in the ``String`` parameter.
The ``plugin-dispatcher`` is the dispatcher used for the plugin actor. If not specified, it defaults to
``akka.persistence.dispatchers.default-plugin-dispatcher``.
Don't run snapshot store tasks/futures on the system default dispatcher, since that might starve other tasks.