Examples with ActivationEventListener org.qi4j.api.activation.ActivationEventListener used on opensource projects

Example 1 with ActivationEventListener

use of org.qi4j.api.activation.ActivationEventListener in project qi4j-sdk by Qi4j.

the class ApplicationBuilder method newApplication.

/**
     * Create and activate a new Application.
     * @return Activated Application
     * @throws AssemblyException if the assembly failed
     * @throws ActivationException if the activation failed
     */
public Application newApplication() throws AssemblyException, ActivationException {
    Energy4Java qi4j = new Energy4Java();
    ApplicationDescriptor model = qi4j.newApplicationModel(new ApplicationAssembler() {

        @Override
        public ApplicationAssembly assemble(ApplicationAssemblyFactory factory) throws AssemblyException {
            ApplicationAssembly assembly = factory.newApplicationAssembly();
            assembly.setName(applicationName);
            HashMap<String, LayerAssembly> createdLayers = new HashMap<>();
            for (Map.Entry<String, LayerDeclaration> entry : layers.entrySet()) {
                LayerAssembly layer = entry.getValue().createLayer(assembly);
                createdLayers.put(entry.getKey(), layer);
            }
            for (LayerDeclaration layer : layers.values()) {
                layer.initialize(createdLayers);
            }
            return assembly;
        }
    });
    Application application = model.newInstance(qi4j.api());
    for (ActivationEventListener activationListener : activationListeners) {
        application.registerActivationEventListener(activationListener);
    }
    beforeActivation();
    application.activate();
    afterActivation();
    return application;
}

Example 2 with ActivationEventListener

use of org.qi4j.api.activation.ActivationEventListener in project qi4j-sdk by Qi4j.

the class FileConfigurationDataWiper method registerApplicationPassivationDataWiper.

public static void registerApplicationPassivationDataWiper(FileConfiguration fileConfig, Application application) {
    final List<File> dataDirectories = new ArrayList<File>();
    dataDirectories.add(fileConfig.configurationDirectory());
    dataDirectories.add(fileConfig.cacheDirectory());
    dataDirectories.add(fileConfig.dataDirectory());
    dataDirectories.add(fileConfig.logDirectory());
    dataDirectories.add(fileConfig.temporaryDirectory());
    application.registerActivationEventListener(new ActivationEventListener() {

        @Override
        public void onEvent(ActivationEvent event) {
            if (event.type() == ActivationEvent.EventType.PASSIVATED && Application.class.isAssignableFrom(event.source().getClass())) {
                for (File dataDir : dataDirectories) {
                    if (!delete(dataDir)) {
                        System.err.println("Unable to delete " + dataDir);
                    }
                }
            }
        }
    });
}

Example 3 with ActivationEventListener

use of org.qi4j.api.activation.ActivationEventListener in project qi4j-sdk by Qi4j.

the class LiquibaseServiceTest method testLiquibase.

@Test
public void testLiquibase() throws SQLException, IOException, ActivationException, AssemblyException {
    final SingletonAssembler assembler = new SingletonAssembler() {

        @Override
        public void assemble(ModuleAssembly module) throws AssemblyException {
            ModuleAssembly configModule = module;
            // Create in-memory store for configurations
            new EntityTestAssembler().assemble(configModule);
            new C3P0DataSourceServiceAssembler().identifiedBy("datasource-service").withConfig(configModule, Visibility.layer).assemble(module);
            new DataSourceAssembler().withDataSourceServiceIdentity("datasource-service").identifiedBy("testds-liquibase").withCircuitBreaker().assemble(module);
            module.values(SomeValue.class);
            // Set up Liquibase service that will create the tables
            // START SNIPPET: assembly
            new LiquibaseAssembler().withConfig(configModule, Visibility.layer).assemble(module);
            // END SNIPPET: assembly
            module.forMixin(LiquibaseConfiguration.class).declareDefaults().enabled().set(true);
            module.forMixin(LiquibaseConfiguration.class).declareDefaults().changeLog().set("changelog.xml");
        }

        @Override
        public void beforeActivation(Application application) {
            application.registerActivationEventListener(new ActivationEventListener() {

                @Override
                public void onEvent(ActivationEvent event) {
                    System.out.println(event);
                }
            });
        }
    };
    Module module = assembler.module();
    // START SNIPPET: io
    // Look up the DataSource
    DataSource ds = module.findService(DataSource.class).get();
    // Instanciate Databases helper
    Databases database = new Databases(ds);
    // Assert that insertion works
    assertTrue(database.update("insert into test values ('someid', 'bar')") == 1);
    // END SNIPPET: io
    database.query("select * from test", new Databases.ResultSetVisitor() {

        @Override
        public boolean visit(ResultSet visited) throws SQLException {
            assertThat(visited.getString("id"), equalTo("someid"));
            assertThat(visited.getString("foo"), equalTo("bar"));
            return true;
        }
    });
    Function<ResultSet, SomeValue> toValue = new Function<ResultSet, SomeValue>() {

        @Override
        public SomeValue map(ResultSet resultSet) {
            ValueBuilder<SomeValue> builder = assembler.module().newValueBuilder(SomeValue.class);
            try {
                builder.prototype().id().set(resultSet.getString("id"));
                builder.prototype().foo().set(resultSet.getString("foo"));
            } catch (SQLException e) {
                throw new IllegalArgumentException("Could not convert to SomeValue", e);
            }
            return builder.newInstance();
        }
    };
    // START SNIPPET: io
    // Select rows and load them in a List
    List<SomeValue> rows = new ArrayList<SomeValue>();
    database.query("select * from test").transferTo(map(toValue, collection(rows)));
    // Transfer all rows to System.out
    Inputs.iterable(rows).transferTo(Outputs.systemOut());
// END SNIPPET: io
}

Example 4 with ActivationEventListener

use of org.qi4j.api.activation.ActivationEventListener in project qi4j-sdk by Qi4j.

the class ActivationDelegate method passivate.

@SuppressWarnings("unchecked")
public void passivate(Runnable callback) throws PassivationException {
    Set<Exception> exceptions = new LinkedHashSet<>();
    // Before Passivation Events
    if (fireEvents) {
        ActivationEvent event = new ActivationEvent(target, PASSIVATING);
        for (ActivationEventListener listener : listeners) {
            try {
                listener.onEvent(event);
            } catch (Exception ex) {
                if (ex instanceof PassivationException) {
                    exceptions.addAll(((PassivationException) ex).causes());
                } else {
                    exceptions.add(ex);
                }
            }
        }
    }
    // Before Passivation for Activators
    if (targetActivators != null) {
        try {
            targetActivators.beforePassivation(target);
        } catch (PassivationException ex) {
            exceptions.addAll(ex.causes());
        } catch (Exception ex) {
            exceptions.add(ex);
        }
    }
    // Passivation
    while (!activeChildren.isEmpty()) {
        passivateOneChild(exceptions);
    }
    // Internal Passivation Callback
    if (callback != null) {
        try {
            callback.run();
        } catch (Exception ex) {
            if (ex instanceof PassivationException) {
                exceptions.addAll(((PassivationException) ex).causes());
            } else {
                exceptions.add(ex);
            }
        }
    }
    // After Passivation for Activators
    if (targetActivators != null) {
        try {
            targetActivators.afterPassivation(target instanceof ServiceReference ? new PassiveServiceReference((ServiceReference) target) : target);
        } catch (PassivationException ex) {
            exceptions.addAll(ex.causes());
        } catch (Exception ex) {
            exceptions.add(ex);
        }
    }
    targetActivators = null;
    // After Passivation Events
    if (fireEvents) {
        ActivationEvent event = new ActivationEvent(target, PASSIVATED);
        for (ActivationEventListener listener : listeners) {
            try {
                listener.onEvent(event);
            } catch (Exception ex) {
                if (ex instanceof PassivationException) {
                    exceptions.addAll(((PassivationException) ex).causes());
                } else {
                    exceptions.add(ex);
                }
            }
        }
    }
    // Error handling
    if (exceptions.isEmpty()) {
        return;
    }
    throw new PassivationException(exceptions);
}