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plugin_services.md: cleanup

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Yann Cébron 2019-12-19 10:06:26 +01:00
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basics/plugin_structure/plugin_services.md
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@ -2,7 +2,7 @@
title: Plugin Services title: Plugin Services
--- ---
A _service_ is a plugin component loaded on demand when your plugin calls the `getService` method of the [`ServiceManager`](upsource:///platform/core-api/src/com/intellij/openapi/components/ServiceManager.java) class. A _service_ is a plugin component loaded on demand when your plugin calls the `getService()` method of the [`ServiceManager`](upsource:///platform/core-api/src/com/intellij/openapi/components/ServiceManager.java) class.
The *IntelliJ Platform* ensures that only one instance of a service is loaded even though the service is called several times. A service must have an implementation class which is used for service instantiation. A service may also have an interface class which is used to obtain the service instance and provides API of the service. The interface and implementation classes are specified in the `plugin.xml` file. The *IntelliJ Platform* ensures that only one instance of a service is loaded even though the service is called several times. A service must have an implementation class which is used for service instantiation. A service may also have an interface class which is used to obtain the service instance and provides API of the service. The interface and implementation classes are specified in the `plugin.xml` file.
@ -32,12 +32,12 @@ To clarify the service declaration procedure, consider the following fragment of
```xml ```xml
<extensions defaultExtensionNs="com.intellij"> <extensions defaultExtensionNs="com.intellij">
<!-- Declare the application level service --> <!-- Declare the application level service -->
<applicationService serviceInterface="Mypackage.MyApplicationService" <applicationService serviceInterface="mypackage.MyApplicationService"
serviceImplementation="Mypackage.MyApplicationServiceImpl" /> serviceImplementation="mypackage.MyApplicationServiceImpl" />
<!-- Declare the project level service --> <!-- Declare the project level service -->
<projectService serviceInterface="Mypackage.MyProjectService" <projectService serviceInterface="mypackage.MyProjectService"
serviceImplementation="Mypackage.MyProjectServiceImpl" /> serviceImplementation="mypackage.MyProjectServiceImpl" />
</extensions> </extensions>
``` ```