--- /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.initializer;
+
+import io.fd.honeycomb.data.init.DataTreeInitializer;
+import io.fd.honeycomb.data.init.InitializerRegistry;
+import io.fd.honeycomb.translate.MappingContext;
+import io.fd.honeycomb.translate.ModificationCache;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.registry.InitRegistry;
+import javax.annotation.Nonnull;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class InitializerRegistryAdapter implements InitializerRegistry {
+
+ private static final Logger LOG = LoggerFactory.getLogger(InitializerRegistryAdapter.class);
+
+ private final DataTreeInitializer configInitializer;
+ private final DataTreeInitializer contextInitializer;
+ private final InitRegistry initRegistry;
+ private final DataBroker dataBroker;
+ private final MappingContext realtimeMappingContext;
+
+ InitializerRegistryAdapter(final DataTreeInitializer configInitializer,
+ final DataTreeInitializer contextInitializer,
+ final InitRegistry initRegistry,
+ final DataBroker noopConfigDataBroker,
+ final MappingContext realtimeMappingContext) {
+ this.configInitializer = configInitializer;
+ this.contextInitializer = contextInitializer;
+ this.initRegistry = initRegistry;
+ this.dataBroker = noopConfigDataBroker;
+ this.realtimeMappingContext = realtimeMappingContext;
+ }
+
+ @Override
+ public void initialize() throws DataTreeInitializer.InitializeException {
+ LOG.info("Config initialization started");
+
+ try {
+ // Initialize contexts first so that other initializers can find any relevant mapping before initializing
+ // configuration to what is already in VPP
+ contextInitializer.initialize();
+ LOG.info("Persisted context restored successfully");
+ // Initialize all registered initializers
+ initRegistry.initAll(dataBroker, new InitReadContext(realtimeMappingContext));
+ LOG.info("Configuration initialized successfully");
+ // Initialize stored configuration on top
+ configInitializer.initialize();
+ LOG.info("Persisted configuration restored successfully");
+ } catch (Exception e) {
+ LOG.warn("Failed to initialize config", e);
+ }
+
+ LOG.info("Honeycomb initialized");
+ }
+
+ private static final class InitReadContext implements ReadContext {
+
+ private final ModificationCache modificationCache;
+ private final MappingContext realtimeMappingContext;
+
+ InitReadContext(final MappingContext realtimeMappingContext) {
+ modificationCache = new ModificationCache();
+ this.realtimeMappingContext = realtimeMappingContext;
+ }
+
+ @Nonnull
+ @Override
+ public ModificationCache getModificationCache() {
+ return modificationCache;
+ }
+
+ @Nonnull
+ @Override
+ public MappingContext getMappingContext() {
+ return realtimeMappingContext;
+ }
+
+ @Override
+ public void close() {
+ modificationCache.close();
+ }
+ }
+}