Examples with ConfigurationDependencyImpl org.apache.felix.dm.impl.ConfigurationDependencyImpl used on opensource projects

Example 1 with ConfigurationDependencyImpl

use of org.apache.felix.dm.impl.ConfigurationDependencyImpl in project felix by apache.

the class ConfigurationTest method testConfigurationFailure.

@Test
public void testConfigurationFailure() throws Throwable {
    final Ensure e = new Ensure();
    // Create our configuration dependency
    final ConfigurationDependencyImpl conf = new ConfigurationDependencyImpl();
    conf.setPid("some.pid");
    // Create another required dependency
    final SimpleServiceDependency requiredDependency = new SimpleServiceDependency();
    requiredDependency.setRequired(true);
    requiredDependency.setCallbacks("addDep", null);
    // Create our component, which will fail when handling configuration update
    ComponentImpl c = new ComponentImpl();
    c.setImplementation(new Object() {

        volatile Dictionary m_conf;

        public void updated(Dictionary conf) {
            debug("updated: conf=%s", conf);
            m_conf = conf;
            if ("invalid".equals(conf.get("conf"))) {
                // We refuse the first configuration.
                debug("refusing configuration");
                e.step(1);
                // Set our acceptUpdate flag to true, so next update will be successful
                throw new RuntimeException("update failed (expected)");
            } else {
                debug("accepting configuration");
                e.step(2);
            }
        }

        public void addDep() {
            if ("invalid".equals(m_conf.get("conf"))) {
                e.throwable(new Exception("addDep should not be called"));
            }
            e.step(3);
            debug("addDep");
        }

        void init(Component c) {
            if ("invalid".equals(m_conf.get("conf"))) {
                e.throwable(new Exception("init should not be called"));
            }
            e.step(4);
            debug("init");
        }

        void start() {
            if ("invalid".equals(m_conf.get("conf"))) {
                e.throwable(new Exception("start should not be called"));
            }
            e.step(5);
            debug("start");
        }
    });
    // Add the dependencies
    c.add(conf);
    c.add(requiredDependency);
    // Start our component ("requiredDependency" is not yet available, so we'll stay in WAITING_FOR_REQUIRED state).
    c.start();
    // Enabled "requiredDependency"
    requiredDependency.add(new EventImpl());
    // Now, act as the configuration admin service and inject a wrong dependency
    try {
        Hashtable props = new Hashtable();
        props.put("conf", "invalid");
        conf.updated(props);
    } catch (ConfigurationException err) {
        warn("got expected configuration error");
    }
    e.waitForStep(1, 5000);
    e.ensure();
    // Now, inject another valid configuration
    try {
        Hashtable props = new Hashtable();
        props.put("conf", "valid");
        conf.updated(props);
    } catch (ConfigurationException err) {
        warn("got unexpected configuration error");
        e.throwable(err);
    }
    // This time, our component should be started properly.
    e.waitForStep(5, 5000);
    e.ensure();
}

Example 2 with ConfigurationDependencyImpl

use of org.apache.felix.dm.impl.ConfigurationDependencyImpl in project felix by apache.

the class ServiceRaceTest method doTest.

void doTest(int loop) throws Throwable {
    debug("loop#%d -------------------------", loop);
    final Ensure step = new Ensure(false);
    // Create one client component, which depends on many service dependencies
    final ComponentImpl client = new ComponentImpl();
    final Client theClient = new Client(step);
    client.setImplementation(theClient);
    // Create client service dependencies
    final SimpleServiceDependency[] dependencies = new SimpleServiceDependency[DEPENDENCIES];
    for (int i = 0; i < DEPENDENCIES; i++) {
        dependencies[i] = new SimpleServiceDependency();
        dependencies[i].setRequired(true);
        dependencies[i].setCallbacks("add", "remove");
        client.add(dependencies[i]);
    }
    final ConfigurationDependencyImpl confDependency = new ConfigurationDependencyImpl();
    confDependency.setPid("mypid");
    client.add(confDependency);
    // Create Configuration (concurrently).
    // We have to simulate the configuration update, using a component state listener, which will
    // trigger an update thread, but only once the component is started.
    final ComponentStateListener listener = new ComponentStateListener() {

        private volatile Dictionary m_conf;

        public void changed(Component c, ComponentState state) {
            if (state == ComponentState.WAITING_FOR_REQUIRED && m_conf == null) {
                m_conf = new Hashtable();
                m_conf.put("foo", "bar");
                m_threadpool.execute(new Runnable() {

                    public void run() {
                        try {
                            confDependency.updated(m_conf);
                        } catch (ConfigurationException e) {
                            warn("configuration failed", e);
                        }
                    }
                });
            }
        }
    };
    client.add(listener);
    // Start the client (concurrently)
    m_threadpool.execute(new Runnable() {

        public void run() {
            client.start();
            // injected only one the tracker has been opened ...
            for (int i = 0; i < DEPENDENCIES; i++) {
                final SimpleServiceDependency dep = dependencies[i];
                final Event added = new EventImpl(i);
                m_threadpool.execute(new Runnable() {

                    public void run() {
                        dep.add(added);
                    }
                });
            }
        }
    });
    // Ensure that client has been started.
    int expectedStep = 1 + /* conf */
    DEPENDENCIES + 1;
    step.waitForStep(expectedStep, STEP_WAIT);
    Assert.assertEquals(DEPENDENCIES, theClient.getDependencies());
    Assert.assertNotNull(theClient.getConfiguration());
    client.remove(listener);
    // Stop the client and all dependencies concurrently.
    for (int i = 0; i < DEPENDENCIES; i++) {
        final SimpleServiceDependency dep = dependencies[i];
        final Event removed = new EventImpl(i);
        m_threadpool.execute(new Runnable() {

            public void run() {
                dep.remove(removed);
            }
        });
    }
    m_threadpool.execute(new Runnable() {

        public void run() {
            client.stop();
        }
    });
    m_threadpool.execute(new Runnable() {

        public void run() {
            try {
                // simulate a configuration suppression.
                confDependency.updated(null);
            } catch (ConfigurationException e) {
                warn("error while unconfiguring", e);
            }
        }
    });
    // Ensure that client has been stopped, then destroyed, then unbound from all dependencies
    // stop/destroy
    expectedStep += 2;
    // removed all dependencies
    expectedStep += DEPENDENCIES;
    step.waitForStep(expectedStep, STEP_WAIT);
    step.ensure();
    Assert.assertEquals(0, theClient.getDependencies());
    debug("finished one test loop");
    if ((loop + 1) % 100 == 0) {
        long duration = System.currentTimeMillis() - m_timeStamp;
        warn("Performed 100 tests (total=%d) in %d ms.", (loop + 1), duration);
        m_timeStamp = System.currentTimeMillis();
    }
}