openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/InstructionSerializerInjector.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.instructions.ApplyActionsInstructionSerializer;
  19 import org.opendaylight.openflowplugin.impl.protocol.serialization.instructions.ClearActionsInstructionSerializer;
  20 import org.opendaylight.openflowplugin.impl.protocol.serialization.instructions.GoToTableInstructionSerializer;
  21 import org.opendaylight.openflowplugin.impl.protocol.serialization.instructions.MeterInstructionSerializer;
  22 import org.opendaylight.openflowplugin.impl.protocol.serialization.instructions.WriteActionsInstructionSerializer;
  23 import org.opendaylight.openflowplugin.impl.protocol.serialization.instructions.WriteMetadataInstructionSerializer;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCase;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ClearActionsCase;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.GoToTableCase;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.MeterCase;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteActionsCase;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCase;
  31
  32 /**
  33  * Util class for injecting new instruction serializers into OpenflowJava
  34  */
  35 class InstructionSerializerInjector {
  36
  37     /**
  38      * Injects serializers into provided {@link org.opendaylight.openflowjava.protocol.api.extensibility.SerializerExtensionProvider}
  39      * @param provider OpenflowJava serializer extension provider
  40      */
  41     static void injectSerializers(final SerializerExtensionProvider provider) {
  42         // Inject new instruction serializers here using injector created by createInjector method
  43         final Function<Class<? extends Instruction>, Consumer<OFSerializer<? extends Instruction>>> injector =
  44                 createInjector(provider, EncodeConstants.OF13_VERSION_ID);
  45         injector.apply(ApplyActionsCase.class).accept(new ApplyActionsInstructionSerializer());
  46         injector.apply(ClearActionsCase.class).accept(new ClearActionsInstructionSerializer());
  47         injector.apply(GoToTableCase.class).accept(new GoToTableInstructionSerializer());
  48         injector.apply(MeterCase.class).accept(new MeterInstructionSerializer());
  49         injector.apply(WriteActionsCase.class).accept(new WriteActionsInstructionSerializer());
  50         injector.apply(WriteMetadataCase.class).accept(new WriteMetadataInstructionSerializer());
  51     }
  52
  53     /**
  54      * Create injector that will inject new serializers into #{@link org.opendaylight.openflowjava.protocol.api.extensibility.SerializerExtensionProvider}
  55      * @param provider OpenflowJava serializer extension provider
  56      * @param version Openflow version
  57      * @return injector
  58      */
  59     @VisibleForTesting
  60     static Function<Class<? extends Instruction>, Consumer<OFSerializer<? extends Instruction>>> createInjector(final SerializerExtensionProvider provider,
  61                                                                                                 final byte version) {
  62         return type -> serializer ->
  63                 provider.registerSerializer(
  64                         new MessageTypeKey<>(version, type),
  65                         serializer);
  66     }
  67 }