Examples with Component org.apache.felix.dm.Component used on opensource projects

Example 71 with Component

use of org.apache.felix.dm.Component in project felix by apache.

the class AdapterWithoutPropagationTest method testAdapterNoPropagate.

public void testAdapterNoPropagate() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // The provider has a "foo=bar" property
    Hashtable<String, String> props = new Hashtable<>();
    props.put("foo", "bar");
    ServiceProvider serviceProvider = new ServiceProvider(e);
    Component provider = m.createComponent().setInterface(OriginalService.class.getName(), props).setImplementation(serviceProvider);
    // The Adapter will see the "foo=bar" property from the adaptee
    Component adapter = m.createAdapterService(OriginalService.class, null, null, null, "set", "change", null, null, false).setInterface(AdaptedService.class.getName(), null).setImplementation(new ServiceAdapter(e));
    // The consumer depends on the AdaptedService, but won't see foo=bar property from the adaptee
    Component consumer = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(AdaptedService.class).setRequired(true).setCallbacks("set", "change", null));
    // add the provider and the adapter
    m.add(provider);
    m.add(adapter);
    // Checks if the adapter has been started and has seen the adaptee properties
    e.waitForStep(1, 5000);
    // add a consumer that must not see the adaptee service properties
    m.add(consumer);
    e.waitForStep(2, 5000);
    // change the service properties of the provider, and check that the adapter callback instance is caled.
    serviceProvider.changeServiceProperties();
    e.waitForStep(3, 5000);
    // cleanup
    m.clear();
}

Example 72 with Component

use of org.apache.felix.dm.Component in project felix by apache.

the class AspectBaseTest method testSingleAspectThatAlreadyExisted.

@SuppressWarnings("serial")
public void testSingleAspectThatAlreadyExisted() {
    DependencyManager m = new DependencyManager(context);
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create a service provider and consumer
    ServiceProvider p = new ServiceProvider(e, "a");
    ServiceConsumer c = new ServiceConsumer(e);
    Component sp = m.createComponent().setImplementation(p).setInterface(ServiceInterface.class.getName(), new Hashtable() {

        {
            put("name", "a");
        }
    });
    Component sc = m.createComponent().setImplementation(c).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true).setCallbacks("add", "remove").setAutoConfig("m_service"));
    Component sa = m.createAspectService(ServiceInterface.class, null, 20, null).setImplementation(ServiceAspect.class);
    // we first add the aspect
    m.add(sa);
    // then the service provider
    m.add(sp);
    // finally the consumer
    m.add(sc);
    Assert.assertEquals("aa", c.invoke());
    // now the consumer's added should be invoked once, as the aspect is already available and should
    // directly hide the original service
    e.waitForStep(1, 2000);
    e.step(2);
    m.remove(sa);
    // after removing the aspect, the consumer should get the original service back, so
    // remove and add will be invoked
    e.waitForStep(4, 2000);
    Assert.assertEquals("a", c.invoke());
    m.remove(sp);
    // after removing the original service, the consumer's remove should be called once
    e.waitForStep(5, 2000);
    m.remove(sc);
    e.step(6);
}

Example 73 with Component

use of org.apache.felix.dm.Component in project felix by apache.

the class AspectBaseTest method testMultipleAspects.

@SuppressWarnings("serial")
public void testMultipleAspects() {
    DependencyManager m = new DependencyManager(context);
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create service providers and consumers
    ServiceConsumer c = new ServiceConsumer(e);
    Component sp = m.createComponent().setImplementation(new ServiceProvider(e, "a")).setInterface(ServiceInterface.class.getName(), new Hashtable() {

        {
            put("name", "a");
        }
    });
    Component sp2 = m.createComponent().setImplementation(new ServiceProvider(e, "b")).setInterface(ServiceInterface.class.getName(), new Hashtable() {

        {
            put("name", "b");
        }
    });
    Component sc = m.createComponent().setImplementation(c).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true).setCallbacks("add", "remove"));
    Component sa = m.createAspectService(ServiceInterface.class, null, 20, null).setImplementation(ServiceAspect.class);
    Component sa2 = m.createAspectService(ServiceInterface.class, null, 10, null).setImplementation(ServiceAspect.class);
    m.add(sp);
    m.add(sp2);
    m.add(sa);
    m.add(sa2);
    m.add(sc);
    // the consumer will monitor progress, it should get it's add invoked twice, once for every
    // (highest) aspect
    e.waitForStep(2, 2000);
    e.step(3);
    // now invoke all services the consumer collected
    List<String> list = c.invokeAll();
    // and make sure both of them are correctly invoked
    Assert.assertTrue(list.size() == 2);
    Assert.assertTrue(list.contains("aaa"));
    Assert.assertTrue(list.contains("bbb"));
    m.remove(sc);
    // removing the consumer now should get its removed method invoked twice
    e.waitForStep(5, 2000);
    e.step(6);
    m.remove(sa2);
    m.remove(sa);
    m.remove(sp2);
    m.remove(sp);
    e.step(7);
}

Example 74 with Component

use of org.apache.felix.dm.Component in project felix by apache.

the class AspectChainTest method testBuildAspectChain.

public void testBuildAspectChain() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create a service provider and consumer
    Component sp = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
    Component sc = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true));
    Component sa2 = m.createAspectService(ServiceInterface.class, null, 20, null).setImplementation(new ServiceAspect(e, 3));
    Component sa3 = m.createAspectService(ServiceInterface.class, null, 30, null).setImplementation(new ServiceAspect(e, 2));
    Component sa1 = m.createAspectService(ServiceInterface.class, null, 10, null).setImplementation(new ServiceAspect(e, 4));
    m.add(sc);
    m.add(sp);
    m.add(sa2);
    m.add(sa3);
    m.add(sa1);
    e.step();
    e.waitForStep(5, 5000);
    m.remove(sa3);
    m.remove(sa2);
    m.remove(sa1);
    m.remove(sp);
    m.remove(sc);
}

Example 75 with Component

use of org.apache.felix.dm.Component in project felix by apache.

the class AspectServiceDependencyTest method testServiceRegistrationAndConsumption.

public void testServiceRegistrationAndConsumption() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create a service provider and consumer
    Component sp = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
    Component sc = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setCallbacks("add", "remove").setRequired(true));
    Component asp = m.createAspectService(ServiceInterface.class, null, 100).setImplementation(ServiceProviderAspect.class);
    m.add(sp);
    m.add(sc);
    m.add(asp);
    m.remove(asp);
    m.remove(sc);
    m.remove(sp);
    // ensure we executed all steps inside the component instance
    e.step(8);
}