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Merge branch '4.4' into 5.0
* 4.4: add XML and PHP config examples
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‎messenger.rst

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@@ -323,7 +323,7 @@ etc) instead of the object::
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// src/Message/NewUserWelcomeEmail.php
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namespace App\Message;
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class NewUserWelcomeEmail
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{
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private $userId;
@@ -666,6 +666,54 @@ this is configurable for each transport:
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# implements Symfony\Component\Messenger\Retry\RetryStrategyInterface
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# service: null
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.. code-block:: xml
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<!-- config/packages/messenger.xml -->
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<?xml version="1.0" encoding="UTF-8" ?>
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<container xmlns="http://symfony.com/schema/dic/services"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:framework="http://symfony.com/schema/dic/symfony"
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xsi:schemaLocation="http://symfony.com/schema/dic/services
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https://symfony.com/schema/dic/services/services-1.0.xsd
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http://symfony.com/schema/dic/symfony
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https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
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<framework:config>
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<framework:messenger>
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<framework:transport name="async_priority_high" dsn="%env(MESSENGER_TRANSPORT_DSN)%?queue_name=high_priority">
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<framework:retry-strategy max-retries="3" delay="1000" multiplier="2" max-delay="0"/>
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</framework:transport>
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</framework:messenger>
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</framework:config>
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</container>
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.. code-block:: php
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// config/packages/messenger.php
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$container->loadFromExtension('framework', [
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'messenger' => [
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'transports' => [
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'async_priority_high' => [
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'dsn' => '%env(MESSENGER_TRANSPORT_DSN)%',
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// default configuration
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'retry_strategy' => [
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'max_retries' => 3,
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// milliseconds delay
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'delay' => 1000,
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// causes the delay to be higher before each retry
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// e.g. 1 second delay, 2 seconds, 4 seconds
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'multiplier' => 2,
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'max_delay' => 0,
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// override all of this with a service that
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// implements Symfony\Component\Messenger\Retry\RetryStrategyInterface
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// 'service' => null,
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],
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],
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],
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],
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]);
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Avoiding Retrying
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~~~~~~~~~~~~~~~~~
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@@ -697,6 +745,46 @@ be discarded. To avoid this happening, you can instead configure a ``failure_tra
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failed: 'doctrine://default?queue_name=failed'
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.. code-block:: xml
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<!-- config/packages/messenger.xml -->
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<?xml version="1.0" encoding="UTF-8" ?>
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<container xmlns="http://symfony.com/schema/dic/services"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:framework="http://symfony.com/schema/dic/symfony"
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xsi:schemaLocation="http://symfony.com/schema/dic/services
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https://symfony.com/schema/dic/services/services-1.0.xsd
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http://symfony.com/schema/dic/symfony
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https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
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<framework:config>
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<!-- after retrying, messages will be sent to the "failed" transport -->
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<framework:messenger failure-transport="failed">
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<!-- ... other transports -->
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<framework:transport name="failed" dsn="doctrine://default?queue_name=failed"/>
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</framework:messenger>
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</framework:config>
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</container>
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.. code-block:: php
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// config/packages/messenger.php
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$container->loadFromExtension('framework', [
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'messenger' => [
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// after retrying, messages will be sent to the "failed" transport
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'failure_transport' => 'failed',
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'transports' => [
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// ... other transports
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'failed' => [
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'dsn' => 'doctrine://default?queue_name=failed',
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],
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],
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],
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]);
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In this example, if handling a message fails 3 times (default ``max_retries``),
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it will then be sent to the ``failed`` transport. While you *can* use
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``messenger:consume failed`` to consume this like a normal transport, you'll
@@ -922,13 +1010,47 @@ holds them in memory during the request, which can be useful for testing.
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For example, if you have an ``async_priority_normal`` transport, you could
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override it in the ``test`` environment to use this transport:
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.. code-block:: yaml
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.. configuration-block::
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# config/packages/test/messenger.yaml
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framework:
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messenger:
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transports:
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async_priority_normal: 'in-memory:///'
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.. code-block:: yaml
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# config/packages/test/messenger.yaml
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framework:
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messenger:
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transports:
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async_priority_normal: 'in-memory:///'
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.. code-block:: xml
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<!-- config/packages/test/messenger.xml -->
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<?xml version="1.0" encoding="UTF-8" ?>
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<container xmlns="http://symfony.com/schema/dic/services"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:framework="http://symfony.com/schema/dic/symfony"
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xsi:schemaLocation="http://symfony.com/schema/dic/services
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https://symfony.com/schema/dic/services/services-1.0.xsd
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http://symfony.com/schema/dic/symfony
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https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
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<framework:config>
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<framework:messenger>
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<framework:transport name="async_priority_normal" dsn="in-memory:///"/>
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</framework:messenger>
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</framework:config>
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</container>
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.. code-block:: php
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// config/packages/test/messenger.php
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$container->loadFromExtension('framework', [
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'messenger' => [
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'transports' => [
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'async_priority_normal' => [
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'dsn' => 'in-memory:///',
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],
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],
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],
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]);
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Then, while testing, messages will *not* be delivered to the real transport.
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Even better, in a test, you can check that exactly one message was sent
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dsn: # ...
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serializer: messenger.transport.symfony_serializer
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.. code-block:: xml
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<!-- config/packages/messenger.xml -->
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<?xml version="1.0" encoding="UTF-8" ?>
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<container xmlns="http://symfony.com/schema/dic/services"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:framework="http://symfony.com/schema/dic/symfony"
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xsi:schemaLocation="http://symfony.com/schema/dic/services
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https://symfony.com/schema/dic/services/services-1.0.xsd
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http://symfony.com/schema/dic/symfony
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https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
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<framework:config>
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<framework:messenger>
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<framework:serializer default-serializer="messenger.transport.symfony_serializer">
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<framework:symfony-serializer format="json">
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<framework:context/>
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</framework:symfony-serializer>
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</framework:serializer>
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<framework:transport name="async_priority_normal" dsn="..." serializer="messenger.transport.symfony_serializer"/>
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</framework:messenger>
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</framework:config>
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</container>
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.. code-block:: php
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// config/packages/messenger.php
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$container->loadFromExtension('framework', [
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'messenger' => [
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'serializer' => [
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'default_serializer' => 'messenger.transport.symfony_serializer',
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'symfony_serializer' => [
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'format' => 'json',
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'context' => [],
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],
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],
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'transports' => [
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'async_priority_normal' => [
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'dsn' => // ...
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'serializer' => 'messenger.transport.symfony_serializer',
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],
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],
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],
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]);
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The ``messenger.transport.symfony_serializer`` is a built-in service that uses
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the :doc:`Serializer component </serializer>` and can be configured in a few ways.
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If you *do* choose to use the Symfony serializer, you can control the context

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