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/*
* 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.controller.md.sal.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();
}
}
}
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