tests/honeynode/1.2.1/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/initializer/InitializerRegistryAdapter.java

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.honeycomb.infra.distro.initializer;
  18
  19 import io.fd.honeycomb.data.init.DataTreeInitializer;
  20 import io.fd.honeycomb.data.init.InitializerRegistry;
  21 import io.fd.honeycomb.translate.MappingContext;
  22 import io.fd.honeycomb.translate.ModificationCache;
  23 import io.fd.honeycomb.translate.read.ReadContext;
  24 import io.fd.honeycomb.translate.read.registry.InitRegistry;
  25 import javax.annotation.Nonnull;
  26 import org.opendaylight.mdsal.binding.api.DataBroker;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 final class InitializerRegistryAdapter implements InitializerRegistry {
  31
  32     private static final Logger LOG = LoggerFactory.getLogger(InitializerRegistryAdapter.class);
  33
  34     private final DataTreeInitializer configInitializer;
  35     private final DataTreeInitializer contextInitializer;
  36     private final InitRegistry initRegistry;
  37     private final DataBroker dataBroker;
  38     private final MappingContext realtimeMappingContext;
  39
  40     InitializerRegistryAdapter(final DataTreeInitializer configInitializer,
  41                                final DataTreeInitializer contextInitializer,
  42                                final InitRegistry initRegistry,
  43                                final DataBroker noopConfigDataBroker,
  44                                final MappingContext realtimeMappingContext) {
  45         this.configInitializer = configInitializer;
  46         this.contextInitializer = contextInitializer;
  47         this.initRegistry = initRegistry;
  48         this.dataBroker = noopConfigDataBroker;
  49         this.realtimeMappingContext = realtimeMappingContext;
  50     }
  51
  52     @Override
  53     public void initialize() throws DataTreeInitializer.InitializeException {
  54         LOG.info("Config initialization started");
  55
  56         try {
  57             // Initialize contexts first so that other initializers can find any relevant mapping before initializing
  58             // configuration to what is already in VPP
  59             contextInitializer.initialize();
  60             LOG.info("Persisted context restored successfully");
  61             // Initialize all registered initializers
  62             initRegistry.initAll(dataBroker, new InitReadContext(realtimeMappingContext));
  63             LOG.info("Configuration initialized successfully");
  64             // Initialize stored configuration on top
  65             configInitializer.initialize();
  66             LOG.info("Persisted configuration restored successfully");
  67         } catch (Exception e) {
  68             LOG.warn("Failed to initialize config", e);
  69         }
  70
  71         LOG.info("Honeycomb initialized");
  72     }
  73
  74     private static final class InitReadContext implements ReadContext {
  75
  76         private final ModificationCache modificationCache;
  77         private final MappingContext realtimeMappingContext;
  78
  79         InitReadContext(final MappingContext realtimeMappingContext) {
  80             modificationCache = new ModificationCache();
  81             this.realtimeMappingContext = realtimeMappingContext;
  82         }
  83
  84         @Nonnull
  85         @Override
  86         public ModificationCache getModificationCache() {
  87             return modificationCache;
  88         }
  89
  90         @Nonnull
  91         @Override
  92         public MappingContext getMappingContext() {
  93             return realtimeMappingContext;
  94         }
  95
  96         @Override
  97         public void close() {
  98             modificationCache.close();
  99         }
 100     }
 101 }