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

Example 91 with DependencyManager

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

the class DiagnosticsTest method testGraphsWithSeveralComponentDependencyCombinations.

public void testGraphsWithSeveralComponentDependencyCombinations() throws Exception {
    DependencyManager dm = getDM();
    Component component0 = dm.createComponent().setImplementation(C0.class).add(dm.createServiceDependency().setService(S1.class).setRequired(true)).add(dm.createServiceDependency().setService(S3.class).setRequired(true)).add(dm.createServiceDependency().setService(S4.class).setRequired(true));
    Component component1 = dm.createComponent().setImplementation(C1.class).add(dm.createServiceDependency().setService(S5.class).setRequired(true)).add(dm.createServiceDependency().setService(S6.class).setRequired(true)).add(dm.createServiceDependency().setService(S7.class).setRequired(true));
    Component s1Impl1 = dm.createComponent().setImplementation(S1Impl1.class).setInterface(S1.class.getName(), null).add(dm.createServiceDependency().setService(S2.class).setRequired(true));
    Component s1Impl2 = dm.createComponent().setImplementation(S1Impl2.class).setInterface(S1.class.getName(), null);
    Component s3Impl1 = dm.createComponent().setImplementation(S3Impl1.class).setInterface(S3.class.getName(), null).add(dm.createConfigurationDependency().setPid("missing.config.pid"));
    Component s3s4Impl = dm.createComponent().setImplementation(S3S4Impl.class).setInterface(new String[] { S3.class.getName(), S4.class.getName() }, null);
    Component s4Impl1 = dm.createComponent().setImplementation(S4Impl1.class).setInterface(S4.class.getName(), null);
    Component s5Impl1 = dm.createComponent().setImplementation(S5Impl1.class).setInterface(S5.class.getName(), null);
    Component s6s7Impl = dm.createComponent().setImplementation(S6S7Impl.class).setInterface(new String[] { S6.class.getName(), S7.class.getName() }, null).add(dm.createServiceDependency().setService(S8.class).setRequired(true));
    Component s8Impl1 = dm.createComponent().setImplementation(S8Impl1.class).setInterface(S8.class.getName(), null).add(dm.createServiceDependency().setService(S6.class).setRequired(true));
    dm.add(component0);
    dm.add(component1);
    dm.add(s1Impl1);
    dm.add(s1Impl2);
    dm.add(s3Impl1);
    dm.add(s3s4Impl);
    dm.add(s4Impl1);
    dm.add(s5Impl1);
    dm.add(s6s7Impl);
    dm.add(s8Impl1);
    // graph containing all components and dependencies
    DependencyGraph graph = DependencyGraph.getGraph(ComponentState.ALL, DependencyState.ALL);
    List<ComponentDeclaration> allComponents = graph.getAllComponents();
    assertTrue(checkComponentCount(10, allComponents.size()));
    List<MissingDependency> missingDependencies = graph.getMissingDependencies("service");
    assertEquals(1, missingDependencies.size());
    missingDependencies = graph.getMissingDependencies("configuration");
    assertEquals(1, missingDependencies.size());
    List<CircularDependency> circularDependencies = graph.getCircularDependencies();
    assertEquals(1, circularDependencies.size());
    CircularDependency circularDependency = circularDependencies.get(0);
    assertEquals(3, circularDependency.getComponents().size());
    assertTrue(circularDependency.getComponents().contains(s6s7Impl));
    assertTrue(circularDependency.getComponents().contains(s8Impl1));
    // graph containing unregistered components and unavailable required dependencies
    graph = null;
    graph = DependencyGraph.getGraph(ComponentState.UNREGISTERED, DependencyState.REQUIRED_UNAVAILABLE);
    List<ComponentDeclaration> unregComponents = graph.getAllComponents();
    assertEquals(5, unregComponents.size());
    assertTrue(unregComponents.contains(s1Impl1));
    assertTrue(unregComponents.contains(s3Impl1));
    assertTrue(unregComponents.contains(component1));
    assertTrue(unregComponents.contains(s6s7Impl));
    assertTrue(unregComponents.contains(s8Impl1));
    assertFalse(unregComponents.contains(component0));
    circularDependencies = graph.getCircularDependencies();
    assertEquals(1, circularDependencies.size());
    circularDependency = circularDependencies.get(0);
    assertEquals(3, circularDependency.getComponents().size());
    assertTrue(circularDependency.getComponents().contains(s6s7Impl));
    assertTrue(circularDependency.getComponents().contains(s8Impl1));
    missingDependencies = graph.getMissingDependencies("service");
    assertEquals(1, missingDependencies.size());
    missingDependencies = graph.getMissingDependencies("configuration");
    assertEquals(1, missingDependencies.size());
    // call getCircularDependencies again on the same graph
    circularDependencies = graph.getCircularDependencies();
    assertEquals(1, circularDependencies.size());
    circularDependency = circularDependencies.get(0);
    assertEquals(3, circularDependency.getComponents().size());
    assertTrue(circularDependency.getComponents().contains(s6s7Impl));
    assertTrue(circularDependency.getComponents().contains(s8Impl1));
    List<MissingDependency> allMissingDependencies = graph.getMissingDependencies(null);
    assertEquals(2, allMissingDependencies.size());
}

Example 92 with DependencyManager

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

the class DiagnosticsTest method testProvidersWithProperties.

public void testProvidersWithProperties() throws Exception {
    DependencyManager dm = getDM();
    ServiceDependency serviceDependency1 = dm.createServiceDependency().setService(S1.class, "(key=value)").setRequired(true);
    Component component1 = dm.createComponent().setImplementation(C0.class).add(serviceDependency1);
    Properties component2Properties = new Properties();
    component2Properties.put("key", "value");
    Properties component4Properties = new Properties();
    component4Properties.put("key", "otherValue");
    Component component2 = dm.createComponent().setImplementation(S1Impl1.class).setInterface(S1.class.getName(), component2Properties);
    Component component3 = dm.createComponent().setImplementation(S1Impl2.class).setInterface(S1.class.getName(), null);
    Component component4 = dm.createComponent().setImplementation(S1Impl3.class).setInterface(S1.class.getName(), component4Properties);
    m_dm.add(component1);
    m_dm.add(component2);
    m_dm.add(component3);
    m_dm.add(component4);
    DependencyGraph graph = DependencyGraph.getGraph(ComponentState.ALL, DependencyState.ALL);
    List<ComponentDeclaration> providers = graph.getProviders(serviceDependency1);
    assertEquals(1, providers.size());
    assertTrue(providers.contains(component2));
    assertFalse(providers.contains(component3));
    assertFalse(providers.contains(component4));
}

Example 93 with DependencyManager

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

the class FELIX2344_ExtraDependencyWithAutoConfigTest method testExtraDependencyWithAutoConfig.

/**
 * Test if an auto config extra dependency is injected in the expected order.
 */
public void testExtraDependencyWithAutoConfig() {
    DependencyManager m = getDM();
    // Helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // Create a service provider
    Component sp = m.createComponent().setInterface(ProviderInterface.class.getName(), null).setImplementation(ProviderImpl.class);
    // Create a service consumer with a required/autoconfig dependency over the service provider.
    Client c1;
    Component sc1 = m.createComponent().setImplementation((c1 = new Client(e, true, 1)));
    // Create a second service consumer with an optional/autoconfig dependency over the service provider.
    Client c2;
    Component sc2 = m.createComponent().setImplementation(c2 = new Client(e, false, 3));
    // Add service provider and consumer sc1 (required dependency over provider)
    m.add(sc1);
    m.add(sp);
    e.waitForStep(2, 5000);
    // Remove provider and consumer
    m.remove(sc1);
    m.remove(sp);
    // Add consumer sc2 (optional dependency over provider)
    m.add(sc2);
    e.waitForStep(4, 5000);
    m.clear();
}

Example 94 with DependencyManager

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

the class FELIX2344_ExtraDependencyWithCallbackTest method testExtraDependencyWithCallback.

/**
 * Checks if an extra optional/required dependency is properly injected into a consumer, using callbacks.
 */
public void testExtraDependencyWithCallback() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create a service consumer and provider
    Component sp = m.createComponent().setInterface(ProviderInterface.class.getName(), null).setImplementation(ProviderImpl.class);
    Component sc = m.createComponent().setImplementation(new Client(e, false, 1));
    Component sc2 = m.createComponent().setImplementation(new Client(e, true, 5));
    Component sc3 = m.createComponent().setImplementation(new Client(e, true, 9));
    // add the provider first, then add the consumer which initially will have no dependencies
    // but via the init() method an optional dependency with a callback method will be added
    m.add(sp);
    m.add(sc);
    // remove the consumer again
    m.remove(sc);
    e.waitForStep(4, 5000);
    // next up, add a second consumer, identical to the first, but with a required dependency
    // with a callback method which will be added in the init() method
    m.add(sc2);
    // remove the consumer again
    m.remove(sc2);
    e.waitForStep(8, 5000);
    // now remove the provider, add a third consumer, identical to the second, and after the
    // consumer has started, add the provider again
    m.remove(sp);
    m.add(sc3);
    m.add(sp);
    e.waitForStep(12, 5000);
    m.clear();
}

Example 95 with DependencyManager

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

the class FELIX2369_ExtraDependencyTest method testExtraDependencies.

public void testExtraDependencies() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create a service consumer and provider
    Component sp1 = m.createComponent().setInterface(MyService1.class.getName(), null).setImplementation(new MyService1Impl());
    Component sc = m.createComponent().setImplementation(new MyClient(e, 1));
    // provides the MyService1 service (but not the MyService2, which is required by MyClient).
    m.add(sp1);
    // add MyClient (it should not be invoked in its start() method because MyService2 is not there
    m.add(sc);
    // remove MyClient (it should not be invoked in its stop() method because it should not be active, since MyService2 is not there.
    m.remove(sc);
    e.waitForStep(2, 5000);
    m.clear();
}