tests/honeynode/2.2.1/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/context/ContextPipelineModule.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.data.context;
  18
  19 import com.google.inject.PrivateModule;
  20 import com.google.inject.Singleton;
  21 import com.google.inject.name.Names;
  22 import io.fd.honeycomb.data.ModifiableDataManager;
  23 import io.fd.honeycomb.data.init.DataTreeInitializer;
  24 import io.fd.honeycomb.infra.distro.data.BindingDataBrokerProvider;
  25 import io.fd.honeycomb.infra.distro.data.DataTreeProvider;
  26 import io.fd.honeycomb.infra.distro.data.PersistingDataTreeProvider;
  27 import io.fd.honeycomb.translate.MappingContext;
  28 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  29 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  31
  32 public class ContextPipelineModule extends PrivateModule {
  33
  34     public static final String HONEYCOMB_CONTEXT_NOPERSIST = "honeycomb-context-nopersist";
  35     public static final String HONEYCOMB_CONTEXT = "honeycomb-context";
  36
  37     @Override
  38     protected void configure() {
  39         // Non persisting data tree for context
  40         DataTreeProvider.ContextDataTreeProvider noPersistDataTreeProvider =
  41                 new DataTreeProvider.ContextDataTreeProvider();
  42         bind(DataTree.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT_NOPERSIST))
  43                 .toProvider(noPersistDataTreeProvider).in(Singleton.class);
  44         expose(DataTree.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT_NOPERSIST));
  45         // Persisting data tree wrapper for context
  46         PersistingDataTreeProvider.ContextPersistingDataTreeProvider dataTreeProvider =
  47                 new PersistingDataTreeProvider.ContextPersistingDataTreeProvider();
  48         bind(DataTree.class).toProvider(dataTreeProvider).in(Singleton.class);
  49
  50         // Data Tree manager (without any delegation) on top of context data tree
  51         bind(ModifiableDataManager.class).toProvider(ModifiableDTMgrProvider.class).in(Singleton.class);
  52
  53         // DOMDataBroker interface on top of data tree manager
  54         HoneycombContextDOMDataBrokerProvider domBrokerProvider = new HoneycombContextDOMDataBrokerProvider();
  55         bind(DOMDataBroker.class).toProvider(domBrokerProvider).in(Singleton.class);
  56
  57         // BA version of data broker for context
  58         bind(DataBroker.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT)).toProvider(BindingDataBrokerProvider.class)
  59                 .in(Singleton.class);
  60         expose(DataBroker.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT));
  61
  62         // Create initializer to init persisted config data
  63         bind(DataTreeInitializer.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT))
  64                 .toProvider(PersistedContextInitializerProvider.class)
  65                 .in(Singleton.class);
  66         expose(DataTreeInitializer.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT));
  67
  68         // Mapping context is just a small adapter on top of BA data broker to simplify CRUD of context data
  69         bind(MappingContext.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT))
  70                 .toProvider(RealtimeMappingContextProvider.class).in(Singleton.class);
  71         expose(MappingContext.class).annotatedWith(Names.named(HONEYCOMB_CONTEXT));
  72     }
  73 }