diff options
Diffstat (limited to 'infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/initializer/InitializerRegistryAdapter.java')
-rw-r--r-- | infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/initializer/InitializerRegistryAdapter.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/initializer/InitializerRegistryAdapter.java b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/initializer/InitializerRegistryAdapter.java new file mode 100644 index 000000000..85fb7772c --- /dev/null +++ b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/initializer/InitializerRegistryAdapter.java @@ -0,0 +1,101 @@ +/* + * 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(); + } + } +} |