Examples of org.osgi.service.device.DriverSelector

org.osgi.service.device.DriverSelector
When the device manager detects a new Device service, it calls all registered Driver services to determine if anyone matches the Device service. If at least one Driver service matches, the device manager must choose one. If there is a Driver Selector service registered with the Framework, the device manager will ask it to make the selection. If there is no Driver Selector service, or if it returns an invalid result, or throws an {@code Exception}, the device manager uses the default selection strategy. @author $Id: 179ecc7fc79d13bbf5d829d64b69baccd58c4b93 $ @since 1.1 @ThreadSafe

                        best = m;
                }
            }


            // Maybe use driver selector instead
            DriverSelector ds = selector;
            if (ds != null) {
                int ix = ds.select(dev, sel);
                if (ix == DriverSelector.SELECT_NONE) {
                    tellNotFound(dev);
                    return;
                }
                try {

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        new String[] { driverId1, driverId2 }, 
        new int[] { 20, 20 } );


        Device device = tstCreateDevice( new String[]{ "org.apache.felix" } );


        DriverSelector selector = Mockito.mock( DriverSelector.class );


        SelectorMatcher matcher = new SelectorMatcher( driverId2 );


        Mockito.when( selector.select( 
            Mockito.eq( m_osgi.getReference( device ) ), 
            Mockito.isA(Match[].class) ) ).thenAnswer( matcher );


        final CountDownLatch attachLatch = tstExpectAttach( drivers.get( driverId2 ), device );

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            // get the best match
            Match bestMatch = null;


            // local copy
            final DriverSelector selector = m_selector;
            
            if ( selector != null )
            {
                bestMatch = mi.selectBestMatch( m_ref, selector );
                if (bestMatch != null) {
                  debug(String.format("DriverSelector (%s) found best match: %s", selector.getClass().getName(), Util.showDriver(bestMatch.getDriver())));
                }
            }
            
            if (bestMatch == null) 
            {

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    @Test
    public void GetSelectBestMatchThrowsException() throws Exception
    {
      
      ServiceReference deviceRef = Mockito.mock(ServiceReference.class);
      DriverSelector selector = Mockito.mock(DriverSelector.class);


      Mockito.when(selector.select(Mockito.eq(deviceRef), Mockito.isA(Match[].class)))
        .thenThrow(new IllegalArgumentException("test"));
      
        Match match = m_matcherImpl.selectBestMatch(deviceRef, selector);
        Assert.assertNull( match );

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    @Test
    public void selectBestDriver() throws Exception
    {


        DriverSelector selector = Mockito.mock( DriverSelector.class );
        ServiceReference deviceRef = Mockito.mock( ServiceReference.class );


        add( "org.apache.felix.driver-1.0", 1 );
        add( "org.apache.felix.driver-1.1", 1 );
        add( "org.apache.felix.driver-1.2", 1 );
        add( "org.apache.felix.driver-1.3", 1 );
        add( "org.apache.felix.driver-1.4", 1 );
        add( "org.apache.felix.driver-1.5", 1 );
        
        
        
        //this is the actual driverselector implementation
        Mockito.when( selector.select( Mockito.isA(ServiceReference.class), Mockito.isA(Match[].class) ) )
          .thenAnswer( new Answer<Integer>()
        {
          
          public Integer answer(InvocationOnMock invocation) throws Throwable
            {

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    @Test
    public void selectFails() throws Exception
    {


        DriverSelector selector = Mockito.mock( DriverSelector.class );
        ServiceReference deviceRef = Mockito.mock( ServiceReference.class );


        Mockito.when( selector.select( Mockito.eq( deviceRef ), Mockito.isA(Match[].class) ) )
            .thenThrow( new RuntimeException( "test exception" ) );


        add( "org.apache.felix.driver-1.5", 1 );


        Match match = m_matcherImpl.selectBestMatch( deviceRef, selector );

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    @Test
    public void VerifyMatchToString() throws Exception
    {


        DriverSelector selector = Mockito.mock( DriverSelector.class );
        ServiceReference deviceRef = Mockito.mock( ServiceReference.class );


        Mockito.when( selector.select( Mockito.eq( deviceRef ), Mockito.isA(Match[].class) ) )
            .thenReturn( 0 );


        add( "org.apache.felix.driver-1.5", 2 );


        Match match = m_matcherImpl.selectBestMatch( deviceRef, selector );

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Related Classes of org.osgi.service.device.DriverSelector

org.apache.felix.das.DeviceManager$DriverAttachAlgorithm

org.apache.felix.das.DeviceManagerTest

org.apache.felix.das.util.DriverMatcherTest

org.knopflerfish.bundle.device.Activator

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