Examples of org.apache.servicemix.nmr.api.internal.InternalReference.choose()

Package org.apache.servicemix.nmr.api.internal

Class org.apache.servicemix.nmr.api.internal.InternalReference

Examples of org.apache.servicemix.nmr.api.internal.InternalReference.choose()

org.apache.servicemix.nmr.api.internal.InternalReference.choose()
Creates an iterator to be used for choosing the physical target for an exchange. When dispatching an exchange, the NMR will select the first endpoint and choose a flow that can handle it. If no flow can be used, try the next endpoint until no more endpoints can be used. @return an iterator on matching endpoints

        InternalReference r = (InternalReference) ref;
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
        registry.register(endpoint, ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(r.choose(registry));
        assertTrue(r.choose(registry).iterator().hasNext());
        registry.unregister(endpoint, null);
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
    }

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        assertFalse(r.choose(registry).iterator().hasNext());
        registry.register(endpoint, ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(r.choose(registry));
        assertTrue(r.choose(registry).iterator().hasNext());
        registry.unregister(endpoint, null);
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
    }


    public void testEndpointListener() throws Exception {
        final CountDownLatch regLatch = new CountDownLatch(1);

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        registry.register(endpoint, ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(r.choose(registry));
        assertTrue(r.choose(registry).iterator().hasNext());
        registry.unregister(endpoint, null);
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
    }


    public void testEndpointListener() throws Exception {
        final CountDownLatch regLatch = new CountDownLatch(1);
        final CountDownLatch unregLatch = new CountDownLatch(1);

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        // make sure that the query for the wire's from returns the target endpoint
        Reference ref = registry.lookup(from);
        assertNotNull(ref);
        assertTrue(ref instanceof InternalReference);
        InternalReference reference = (InternalReference) ref;
        Iterable<InternalEndpoint> endpoints = reference.choose(registry);
        assertNotNull(endpoints);
        assertTrue(endpoints.iterator().hasNext());
        assertEquals(endpoint, endpoints.iterator().next().getEndpoint());
    }

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        // make sure that the query for the wire's from returns the target endpoint
        Reference ref = registry.lookup(ServiceHelper.createMap());
        assertNotNull(ref);
        assertTrue(ref instanceof InternalReference);
        InternalReference reference = (InternalReference) ref;
        Iterable<InternalEndpoint> endpoints = reference.choose(registry);
        assertNotNull(endpoints);
        assertFalse(endpoints.iterator().hasNext());
    }


    private Endpoint createWiredEndpoint(Map<String, Object> from) {

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                InternalReference target = (InternalReference) exchange.getTarget();
                // TODO: possible NPE on target should be avoided
                assert target != null;
                boolean match = false;
                boolean securityMatch = false;
                for (InternalEndpoint endpoint : target.choose(registry)) {
                    if (Boolean.valueOf((String) endpoint.getMetaData().get(Endpoint.UNTARGETABLE))) {
                        continue;
                    }
                    match = true;
                    if (authorizationService != null) {

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    public void dispatch(InternalExchange exchange) {
        if (exchange.getRole() == Role.Consumer) {
            if (exchange.getDestination() == null) {
                InternalReference target = (InternalReference) exchange.getTarget();
                assert target != null;
                for (InternalEndpoint endpoint : target.choose()) {
                    for (Flow flow : getServices()) {
                        if (flow.canDispatch(exchange, endpoint)) {
                            exchange.setDestination(endpoint);
                            flow.dispatch(exchange);
                            return;

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        Endpoint endpoint = new DummyEndpoint();
        Reference ref = registry.lookup(ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(ref);
        assertTrue(ref instanceof InternalReference);
        InternalReference r = (InternalReference) ref;
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
        registry.register(endpoint, ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(r.choose(registry));
        assertTrue(r.choose(registry).iterator().hasNext());
        registry.unregister(endpoint, null);

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        Reference ref = registry.lookup(ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(ref);
        assertTrue(ref instanceof InternalReference);
        InternalReference r = (InternalReference) ref;
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
        registry.register(endpoint, ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(r.choose(registry));
        assertTrue(r.choose(registry).iterator().hasNext());
        registry.unregister(endpoint, null);
        assertNotNull(r.choose(registry));

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        assertTrue(ref instanceof InternalReference);
        InternalReference r = (InternalReference) ref;
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
        registry.register(endpoint, ServiceHelper.createMap(Endpoint.NAME, "id"));
        assertNotNull(r.choose(registry));
        assertTrue(r.choose(registry).iterator().hasNext());
        registry.unregister(endpoint, null);
        assertNotNull(r.choose(registry));
        assertFalse(r.choose(registry).iterator().hasNext());
    }

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