Examples of org.osgi.service.discovery.DiscoveredServiceTracker

org.osgi.service.discovery.DiscoveredServiceTracker
Interface of trackers for discovered remote services.
When a service implementing this interface is registered with the framework, then Discovery will notify it about remote services matching one of the provided criteria and will keep notifying it on changes of information known to Discovery regarding this services. Discovery may deliver notifications on discovered services to a DiscoveredServiceTracker out of order and may concurrently call and/or reenter a DiscoveredServiceTracker. @ThreadSafe @version $Revision: 6845 $

        EasyMock.expect(bc.createFilter(filter)).andReturn(mockFilter).anyTimes();
        EasyMock.replay(bc);
        
        final List<DiscoveredServiceNotification> notifications = 
            new ArrayList<DiscoveredServiceNotification>();
        DiscoveredServiceTracker dst = new DiscoveredServiceTracker(){        
            public void serviceChanged(DiscoveredServiceNotification notification) {
                notifications.add(notification);
            }
        };

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import org.osgi.service.discovery.ServiceEndpointDescription;


public class InterfaceMonitorTest extends TestCase {
    public void testCreateListener() {
        ZooKeeper zk = EasyMock.createMock(ZooKeeper.class);
        DiscoveredServiceTracker dst = EasyMock.createMock(DiscoveredServiceTracker.class);        
        
        InterfaceMonitor dm = new InterfaceMonitor(zk, String.class.getName(), dst);
        InterfaceDataMonitorListenerImpl listener = (InterfaceDataMonitorListenerImpl) dm.listener;
        assertSame(zk, listener.zookeeper);
        assertEquals(Util.getZooKeeperPath(String.class.getName()), listener.znode);

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        EasyMock.expect(zk.getData(Util.getZooKeeperPath(String.class.getName()) + "/b#90#r", false, null))
            .andReturn(s2Bytes.toByteArray()).anyTimes();
        EasyMock.replay(zk);
        
        final List<DiscoveredServiceNotification> notifications = new ArrayList<DiscoveredServiceNotification>();
        DiscoveredServiceTracker dst = new DiscoveredServiceTracker() {
            public void serviceChanged(DiscoveredServiceNotification dsn) {
                notifications.add(dsn);
            }            
        };

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    }


    private synchronized void cacheTracker(ServiceReference reference, 
                                           Object service) {
        if (service instanceof DiscoveredServiceTracker) {
            DiscoveredServiceTracker tracker = 
                (DiscoveredServiceTracker)service;
            Collection<String> interfaces =            
                addTracker(reference, 
                           tracker, 
                           INTERFACE_MATCH_CRITERIA,

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    }


    private synchronized void updateTracker(ServiceReference reference, 
                                            Object service) {
        if (service instanceof DiscoveredServiceTracker) {
            DiscoveredServiceTracker tracker = 
                (DiscoveredServiceTracker)service;
            LOG.info("updating tracker: " + tracker);
            Collection<String> oldInterfaces = removeTracker(tracker, 
                                                     interfacesToTrackers,
                                                     trackersToInterfaces);

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import org.osgi.service.discovery.DiscoveredServiceNotification;
import org.osgi.service.discovery.DiscoveredServiceTracker;


public class FindInZooKeeperCustomizerTest extends TestCase {
    public void testAddingServiceInterface() {
        DiscoveredServiceTracker dst = new DiscoveredServiceTracker() {
            public void serviceChanged(DiscoveredServiceNotification dsn) {}
        };
        
        ServiceReference sr = EasyMock.createMock(ServiceReference.class);
        EasyMock.expect(sr.getProperty(DiscoveredServiceTracker.INTERFACE_MATCH_CRITERIA)).
            andReturn(Collections.singleton(String.class.getName()));
        EasyMock.expect(sr.getProperty(DiscoveredServiceTracker.FILTER_MATCH_CRITERIA)).
            andReturn(null);
        EasyMock.replay(sr);
        
        DiscoveredServiceTracker dst2 = new DiscoveredServiceTracker() {
            public void serviceChanged(DiscoveredServiceNotification dsn) {}
        };
        
        ServiceReference sr2 = EasyMock.createMock(ServiceReference.class);
        EasyMock.expect(sr2.getProperty(DiscoveredServiceTracker.INTERFACE_MATCH_CRITERIA)).
            andReturn(Arrays.asList(Integer.class.getName(), Comparable.class.getName()));
        EasyMock.expect(sr2.getProperty(DiscoveredServiceTracker.FILTER_MATCH_CRITERIA)).
            andReturn(null);
        EasyMock.replay(sr2);
        
        BundleContext bc = EasyMock.createMock(BundleContext.class);
        EasyMock.expect(bc.getService(sr)).andReturn(dst);
        EasyMock.expect(bc.getService(sr2)).andReturn(dst2);
        EasyMock.replay(bc);
        
        ZooKeeper zk = EasyMock.createMock(ZooKeeper.class);
        zkExpectExists(zk, String.class.getName());
        zkExpectExists(zk, Integer.class.getName());
        zkExpectExists(zk, Comparable.class.getName());
        EasyMock.expectLastCall();
        EasyMock.replay(zk);
        
        FindInZooKeeperCustomizer fc = new FindInZooKeeperCustomizer(bc, zk);


        // ---------------------------------------------------------------
        // Test the addingService APIs
        // ---------------------------------------------------------------
        
        assertEquals("Precondition failed", 0, fc.watchers.size());
        fc.addingService(sr);
        assertEquals(1, fc.watchers.size());
        
        DiscoveredServiceTracker key = fc.watchers.keySet().iterator().next();
        assertSame(dst, key);
        List<InterfaceMonitor> dmList = fc.watchers.get(key);
        assertEquals(1, dmList.size());
        InterfaceMonitor dm = dmList.iterator().next();
        assertNotNull(dm.listener);

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        EasyMock.verify(zk);       
    }


    public void testAddingServiceFilter() {
        DiscoveredServiceTracker dst = new DiscoveredServiceTracker() {
            public void serviceChanged(DiscoveredServiceNotification dsn) {}
        };
        
        ServiceReference sr = EasyMock.createMock(ServiceReference.class);
        EasyMock.expect(sr.getProperty(DiscoveredServiceTracker.INTERFACE_MATCH_CRITERIA)).
            andReturn(null);
        Set<String> stringFilter = Collections.singleton("(objectClass=java.lang.String)");
        EasyMock.expect(sr.getProperty(DiscoveredServiceTracker.FILTER_MATCH_CRITERIA)).
            andReturn(stringFilter);
        EasyMock.replay(sr);
        
        DiscoveredServiceTracker dst2 = new DiscoveredServiceTracker() {
            public void serviceChanged(DiscoveredServiceNotification dsn) {}
        };
        
        ServiceReference sr2 = EasyMock.createMock(ServiceReference.class);
        EasyMock.expect(sr2.getProperty(DiscoveredServiceTracker.INTERFACE_MATCH_CRITERIA)).
            andReturn(null);
        List<String> combinedFilter = 
            Arrays.asList("(objectClass=java.lang.Integer)","(objectClass=java.lang.Comparable)");
        EasyMock.expect(sr2.getProperty(DiscoveredServiceTracker.FILTER_MATCH_CRITERIA)).
            andReturn(combinedFilter);
        EasyMock.replay(sr2);
        
        BundleContext bc = EasyMock.createMock(BundleContext.class);
        EasyMock.expect(bc.getService(sr)).andReturn(dst);
        EasyMock.expect(bc.getService(sr2)).andReturn(dst2);
        EasyMock.replay(bc);
        
        ZooKeeper zk = EasyMock.createMock(ZooKeeper.class);
        zkExpectExists(zk, String.class.getName());
        zkExpectExists(zk, Integer.class.getName());
        zkExpectExists(zk, Comparable.class.getName());
        EasyMock.expectLastCall();
        EasyMock.replay(zk);
        
        FindInZooKeeperCustomizer fc = new FindInZooKeeperCustomizer(bc, zk);


        // ---------------------------------------------------------------
        // Test the addingService APIs
        // ---------------------------------------------------------------
        
        assertEquals("Precondition failed", 0, fc.watchers.size());
        fc.addingService(sr);
        assertEquals(1, fc.watchers.size());
        
        DiscoveredServiceTracker key = fc.watchers.keySet().iterator().next();
        assertSame(dst, key);
        List<InterfaceMonitor> dmList = fc.watchers.get(key);
        assertEquals(1, dmList.size());
        InterfaceMonitor dm = dmList.iterator().next();
        assertNotNull(dm.listener);

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                return false;
            }            
        };
        hook.added(Collections.singleton(info));


        DiscoveredServiceTracker tracker = (DiscoveredServiceTracker)
            dswContext.getService(trackerReference);
        assertNotNull(tracker);


        Collection interfaces = asList(serviceClass);

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Related Classes of org.osgi.service.discovery.DiscoveredServiceTracker

org.apache.cxf.dosgi.discovery.local.LocalDiscoveryService

org.apache.cxf.dosgi.discovery.local.LocalDiscoveryServiceTest

org.apache.cxf.dosgi.discovery.zookeeper.FindInZooKeeperCustomizerTest

org.apache.cxf.dosgi.discovery.zookeeper.InterfaceDataMonitorListenerImplTest

org.apache.cxf.dosgi.discovery.zookeeper.InterfaceMonitorTest

org.apache.cxf.dosgi.dsw.hooks.CxfFindListenerHookTest

org.apache.cxf.dosgi.dsw.hooks.CxfListenerHookTest

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