Examples of org.osgi.service.device.Match

org.osgi.service.device.Match
Instances of {@code Match} are used in the{@link DriverSelector#select(ServiceReference,Match[])} method to identifyDriver services matching a Device service. @ThreadSafe @noimplement @author $Id: d162518484495fb4ad5c99153b85d274837c69ab $ @since 1.1 @see DriverSelector

                    error( "match threw an exception", new Exception( t ) );
                }
            }


            // 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) 
            {
                bestMatch = mi.getBestMatch();
            }


            if ( bestMatch == null )
            {
                noDriverFound();
                // really return
                return null;
            }


            String driverId = String.class.cast( bestMatch.getDriver().getProperty( Constants.DRIVER_ID ) );


            debug( "best match: " + driverId );
            m_finalDriver = m_drivers.get( bestMatch.getDriver() );


            if ( m_finalDriver == null )
            {
                error( "we found a driverId, but not the corresponding driver: " + driverId, null );
                noDriverFound();

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    @Test
    public void GetBestMatchWithNoDriver() throws Exception
    {


        Match match = m_matcherImpl.getBestMatch();
        Assert.assertNull( match );


    }

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    public void GetBestMatchWithOneDriver() throws Exception
    {


        add( "org.apache.felix.driver-1.0", 1 );


        Match match = m_matcherImpl.getBestMatch();
        Assert.assertNotNull( match );
        Assert.assertEquals( "org.apache.felix.driver-1.0", tstDriverId( match ) );


    }

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      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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        add( "org.apache.felix.driver.a-1.0", 1 );
        add( "org.apache.felix.driver.b-1.0", 1 );
        add( "org.apache.felix.driver.c-1.0", 10 );


        Match match = m_matcherImpl.getBestMatch();
        Assert.assertNotNull( match );
        Assert.assertEquals( "org.apache.felix.driver.c-1.0", tstDriverId( match ) );


    }

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    {


        add( "org.apache.felix.driver.a-1.0", 1, 0 );
        add( "org.apache.felix.driver.b-1.0", 1, -1 );


        Match match = m_matcherImpl.getBestMatch();
        Assert.assertNotNull( match );
        Assert.assertEquals( "org.apache.felix.driver.a-1.0", tstDriverId( match ) );


    }

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    {


        add( "org.apache.felix.driver.a-1.0", 1 );
        add( "org.apache.felix.driver.b-1.0", 1 );


        Match match = m_matcherImpl.getBestMatch();
        Assert.assertNotNull( match );
        Assert.assertEquals( "org.apache.felix.driver.a-1.0", tstDriverId( match ) );
        Assert.assertEquals( 1, match.getMatchValue() );
    }

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    {


        add( "org.apache.felix.driver.a-1.0", 1, 2 );
        add( "org.apache.felix.driver.b-1.0", 1 );


        Match match = m_matcherImpl.getBestMatch();


        Assert.assertNotNull( match );
        final String driverId = "org.apache.felix.driver.a-1.0";


        Assert.assertEquals( driverId, tstDriverId( match ) );
        Assert.assertEquals( 1, match.getMatchValue() );
    }

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        add( "org.apache.felix.driver.a-1.0", 1 );
        add( "org.apache.felix.driver.b-1.0", 2 );
        add( "org.apache.felix.driver.c-1.0", 1 );


        Match match = m_matcherImpl.getBestMatch();
        Assert.assertNotNull( match );
        Assert.assertEquals( "org.apache.felix.driver.b-1.0", tstDriverId( match ) );


        Assert.assertEquals( 2, match.getMatchValue() );
    }

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                return null;
            }
        } );




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


        Assert.assertNotNull( "no match returned", match );
        String driverId = tstDriverId( match );


        Assert.assertEquals( "org.apache.felix.driver-1.3", driverId );

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

org.apache.felix.das.DeviceManager$DriverAttachAlgorithm

org.apache.felix.das.util.DriverMatcherTest

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