Examples of org.osgi.service.component.runtime.ServiceComponentRuntime

Package org.osgi.service.component.runtime

Examples of org.osgi.service.component.runtime.ServiceComponentRuntime

org.osgi.service.component.runtime.ServiceComponentRuntime
The {@code ServiceComponentRuntime} service represents the DeclarativeServices main controller also known as the Service Component Runtime or SCR for short. It provides access to the components managed by the Service Component Runtime.
This service differentiates between a {@link ComponentDescriptionDTO} and a{@link ComponentConfigurationDTO}. A {@link ComponentDescriptionDTO} is arepresentation of a declared component description. A {@link ComponentConfigurationDTO} is a representation of an actual instance of adeclared component description parameterized by component properties.
Access to this service requires the {@code ServicePermission[ServiceComponentRuntime, GET]} permission. It isintended that only administrative bundles should be granted this permission to limit access to the potentially intrusive methods provided by this service. @ThreadSafe @since 1.3 @author $Id: 2b9c69ef323cb6b4be2601f893bea8505c984980 $

    protected void doStart() throws Exception {


        // prepare component registry
        m_componentBundles = new HashMap<Long, BundleComponentActivator>();
        m_componentRegistry = new ComponentRegistry( m_context );
        ServiceComponentRuntime runtime = new ServiceComponentRuntimeImpl(m_context, m_componentRegistry);
        m_runtime_reg = m_context.registerService(ServiceComponentRuntime.class, runtime, null);


        // log SCR startup
        log( LogService.LOG_INFO, m_bundle, " Version = {0}",
            new Object[] {m_bundle.getHeaders().get( Constants.BUNDLE_VERSION )}, null );

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    }




    protected Collection<ComponentDescriptionDTO> getComponentDescriptions()
    {
        ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr == null )
        {
          TestCase.fail("no ServiceComponentRuntime");
        }
            return scr.getComponentDescriptionDTOs();
    }

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    }




    protected ComponentDescriptionDTO findComponentDescriptorByName( String name )
    {
        ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr == null )
        {
          TestCase.fail("no ServiceComponentRuntime");
        }
            return scr.getComponentDescriptionDTO(bundle, name);
    }

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    }




    protected Collection<ComponentConfigurationDTO> findComponentConfigurationsByName( Bundle b, String name, int expected )
    {
        ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr == null )
        {
          TestCase.fail("no ServiceComponentRuntime");
        }
        ComponentDescriptionDTO cd = scr.getComponentDescriptionDTO(b, name);
        Collection<ComponentConfigurationDTO> ccs = scr.getComponentConfigurationDTOs(cd);
        if (expected != -1)
        {
          for (ComponentConfigurationDTO cc: ccs)
          {
            Assert.assertEquals( "for ComponentConfiguration name: " + cc.description.name + " properties" + cc.properties + "Expected state " + STATES.get(expected) + " but was " + STATES.get(cc.state), expected, cc.state);

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      return getDisabledConfigurationAndEnable( bundle, name, initialState );
    }


    protected Collection<ComponentConfigurationDTO> getConfigurationsDisabledThenEnable( Bundle b, String name, int count, int initialState) throws InvocationTargetException, InterruptedException 
    {
    ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr == null )
        {
          TestCase.fail("no ServiceComponentRuntime");
        }
      ComponentDescriptionDTO cd = scr.getComponentDescriptionDTO(b, name);
      Assert.assertFalse("Expected component disabled", scr.isComponentEnabled(cd));
      scr.enableComponent(cd).getValue();
      Assert.assertTrue("Expected component enabled", scr.isComponentEnabled(cd));
      
      Collection<ComponentConfigurationDTO> ccs = scr.getComponentConfigurationDTOs(cd);
      Assert.assertEquals(count, ccs.size());
      for (ComponentConfigurationDTO cc: ccs) {
      Assert.assertEquals("Expected state " + STATES.get(initialState)
          + " but was " + STATES.get(cc.state), initialState,
          cc.state);

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      return getConfigurationsDisabledThenEnable(bundle, name, count, initialState);
    }
    
    protected ComponentDescriptionDTO checkConfigurationCount( Bundle b, String name, int count, int expectedState )
    {    
      ServiceComponentRuntime scr = scrTracker.getService();
      if ( scr == null )
      {
        TestCase.fail("no ServiceComponentRuntime");
      }
      ComponentDescriptionDTO cd = scr.getComponentDescriptionDTO(b, name);
      Assert.assertTrue("Expected component enabled", scr.isComponentEnabled(cd));


      Collection<ComponentConfigurationDTO> ccs = scr.getComponentConfigurationDTOs(cd);
      Assert.assertEquals(count, ccs.size());
      if (expectedState != -1)
      {
        for (ComponentConfigurationDTO cc: ccs)
        {

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        }
    }
    
    protected void enableAndCheck( ComponentDescriptionDTO cd ) throws InvocationTargetException, InterruptedException
    {
        ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr != null )
        {
            scr.enableComponent(cd).getValue();
          Assert.assertTrue("Expected component enabled", scr.isComponentEnabled(cd));
        }
        else 
        {
          throw new NullPointerException("no ServiceComponentRuntime");
        }

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      ComponentDescriptionDTO cd = cc.description;
        disableAndCheck(cd);
    }


  protected void disableAndCheck(ComponentDescriptionDTO cd) throws InvocationTargetException, InterruptedException {
    ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr != null )
        {
          scr.disableComponent(cd).getValue();
          Assert.assertFalse("Expected component disabled", scr.isComponentEnabled(cd));
        }
        else 
        {
          throw new NullPointerException("no ServiceComponentRuntime");
        }

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    }


    void info( PrintWriter out )
    {
        ServiceComponentRuntime scr = scrTracker.getService();
        if ( scr == null )
        {
            TestCase.fail("no ServiceComponentRuntime");
        }
        new InfoWriter(scr).list(null, out);

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Related Classes of org.osgi.service.component.runtime.ServiceComponentRuntime

org.apache.felix.scr.impl.Activator

org.apache.felix.scr.integration.ComponentTestBase

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