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| <h2 title="Annotation Type Start" class="title">Annotation Type Start</h2> |
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| <pre>@Retention(value=CLASS) |
| @Target(value=METHOD) |
| public @interface <span class="memberNameLabel">Start</span></pre> |
| <div class="block">Annotates a method which will be invoked when the component is started. |
| The annotated method is invoked juste before registering the service into the OSGi registry |
| (if the service provides an interface). Notice that the start method may optionally return |
| a Map which will be propagated to the provided service properties.<p> |
| Service activation/deactivation can be programatically controlled using <a href="../../../../../../org/apache/felix/dm/annotation/api/LifecycleController.html" title="annotation in org.apache.felix.dm.annotation.api"><code>LifecycleController</code></a>. |
| |
| <h3>Usage Examples</h3> |
| <blockquote> |
| |
| <pre> |
| @Component(properties={@Property(name="foo", value="bar")}) |
| class X implements Z { |
| @ServiceDependency |
| OtherService m_dependency; |
| |
| @Start |
| Map start() { |
| // Our Z Service is ready (all required dependencies have been satisfied), and is about to be |
| // registered into the OSGi registry. We return here an optional Map containing some extra-properties |
| // which will be appended to the properties supplied in the Component annotation. |
| return new HashMap() {{ |
| put("foo2", "bar2"); |
| put(Constants.SERVICE_RANKING, Integer.valueOf(10)); |
| }}; |
| } |
| } |
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