+++ /dev/null
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.honeycomb.infra.distro;
-
-import static com.google.inject.Guice.createInjector;
-
-import com.google.common.collect.ImmutableSet;
-import com.google.inject.ConfigurationException;
-import com.google.inject.CreationException;
-import com.google.inject.Injector;
-import com.google.inject.Key;
-import com.google.inject.Module;
-import com.google.inject.ProvisionException;
-import com.google.inject.name.Names;
-import io.fd.honeycomb.data.init.DataTreeInitializer;
-import io.fd.honeycomb.data.init.InitializerRegistry;
-import io.fd.honeycomb.infra.distro.activation.ActivationModule;
-import io.fd.honeycomb.infra.distro.activation.ActiveModules;
-import io.fd.honeycomb.infra.distro.initializer.InitializerPipelineModule;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-
-public final class Main {
-
- private static final Logger LOG = LoggerFactory.getLogger(Main.class);
-
- private Main() {
- }
-
- public static void main(String[] args) {
- init(new ActivationModule());
- }
-
- /**
- * Initialize the Honeycomb with provided modules
- */
- public static Injector init(final ActivationModule activationModule) {
- try {
- LOG.info("Starting honeycomb");
- // creating child injector does not work in this case, so just create injector, and does not store ref
- // to it, or its active modules instance
- Injector injector = createInjector(ImmutableSet.<Module>builder()
- .add(activationModule)
- .addAll(createInjector(activationModule).getInstance(ActiveModules.class).createModuleInstances())
- .build());
-
- // Log all bindings
- injector.getAllBindings().entrySet().stream()
- .forEach(e -> LOG.trace("Component available under: {} is {}", e.getKey(), e.getValue()));
-
- try {
- LOG.info("Initializing configuration");
- injector.getInstance(Key.get(InitializerRegistry.class,
- Names.named(InitializerPipelineModule.HONEYCOMB_INITIALIZER))).initialize();
- LOG.info("Configuration initialized successfully");
- } catch (DataTreeInitializer.InitializeException e) {
- LOG.error("Unable to initialize configuration", e);
- }
-
- LOG.info("Honeycomb started successfully!");
-
- return injector;
- } catch (CreationException | ProvisionException | ConfigurationException e) {
- LOG.error("Failed to initialize Honeycomb components", e);
- throw e;
- } catch (RuntimeException e) {
- LOG.error("Unexpected initialization failure", e);
- throw e;
- } finally {
- // Trigger gc to force collect initial garbage + dedicated classloader
- System.gc();
- }
- }
-
-}