Symfony DI Configuration

Pacemaker uses a lot of joined observers.

For a project-specific custom Symfony DI configuration, you must add its new custom observer to the existing configuration.

Therefore, extending a project with additional observers, the Symfony DI configuration must also get customized and extended.

Example

Example how to extend the services.xml with a additional observer

Default services.xml

<service id="import_category.observer.composite.base.delete"
         class="TechDivision\Import\Observers\GenericCompositeObserver">
    <call method="addObserver">
        <argument id="import_category.observer.normalize.path" type="service"/>
    </call>
    <call method="addObserver">
        <argument id="import_category.observer.clear.url.rewrite" type="service"/>
    </call>
    <call method="addObserver">
        <argument id="import_category.observer.clear.category" type="service"/>
    </call>
</service>

Extended services.xml

<service id="import_category.observer.composite.base.delete"
         class="TechDivision\Import\Observers\GenericCompositeObserver">
    <call method="addObserver">
        <argument id="import_category.observer.normalize.path" type="service"/>
    </call>
    <call method="addObserver">
        <argument id="import_category.observer.clear.url.rewrite" type="service"/>
    </call>
    <call method="addObserver">
        <argument id="import_category.observer.clear.category" type="service"/>
    </call>
    <call method="addObserver"> (1)
        <argument id="import_category.observer.<customized>.<observer>" type="service"/>
    </call>
</service>

1	Add a new additional observer

Symfony DI Configuration

Example

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