openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/MessageSerializerInjector.java

   1 /*
   2  * Copyright (c) 2016 Pantheon Technologies s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.protocol.serialization;
  10
  11 import com.google.common.annotations.VisibleForTesting;
  12 import java.util.function.Consumer;
  13 import java.util.function.Function;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerExtensionProvider;
  16 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowplugin.impl.protocol.serialization.messages.FlowMessageSerializer;
  19 import org.opendaylight.openflowplugin.impl.protocol.serialization.messages.GroupMessageSerializer;
  20 import org.opendaylight.openflowplugin.impl.protocol.serialization.messages.MeterMessageSerializer;
  21 import org.opendaylight.openflowplugin.impl.protocol.serialization.messages.PortMessageSerializer;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.PortMessage;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowMessage;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessage;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterMessage;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  27
  28 /**
  29  * Util class for injecting new message serializers into OpenflowJava
  30  */
  31 class MessageSerializerInjector {
  32
  33     /**
  34      * Injects message serializers into provided {@link org.opendaylight.openflowjava.protocol.api.extensibility.SerializerExtensionProvider}
  35      * @param provider OpenflowJava serializer extension provider
  36      */
  37     static void injectSerializers(final SerializerExtensionProvider provider) {
  38         // Inject new message serializers here using injector created by createInjector method
  39         final Function<Class<?>, Consumer<OFSerializer<? extends OfHeader>>> injector =
  40                 createInjector(provider, EncodeConstants.OF13_VERSION_ID);
  41
  42         injector.apply(FlowMessage.class).accept(new FlowMessageSerializer());
  43         injector.apply(MeterMessage.class).accept(new MeterMessageSerializer());
  44         injector.apply(PortMessage.class).accept(new PortMessageSerializer());
  45         injector.apply(GroupMessage.class).accept(new GroupMessageSerializer());
  46     }
  47
  48     /**
  49      * Create injector that will inject new serializers into #{@link org.opendaylight.openflowjava.protocol.api.extensibility.SerializerExtensionProvider}
  50      * @param provider OpenflowJava serializer extension provider
  51      * @param version Openflow version
  52      * @return injector
  53      */
  54     @VisibleForTesting
  55     static Function<Class<?>, Consumer<OFSerializer<? extends OfHeader>>> createInjector(final SerializerExtensionProvider provider,
  56                                                                                                  final byte version) {
  57         return type -> serializer ->
  58                 provider.registerSerializer(
  59                         new MessageTypeKey<>(version, type),
  60                         serializer);
  61     }
  62
  63 }