2 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
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
9 package org.opendaylight.openflowjava.protocol.impl.serialization;
11 import java.util.HashMap;
14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralSerializer;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
17 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
19 import org.opendaylight.openflowjava.protocol.impl.util.OF10MatchSerializer;
20 import org.opendaylight.openflowjava.protocol.impl.util.OF13MatchSerializer;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.Match;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.v10.grouping.MatchV10;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
27 * Stores and handles serializers<br>
28 * K - {@link MessageTypeKey} type<br>
29 * S - returned serializer type
30 * @author michal.polkorab
31 * @author timotej.kubas
33 public class SerializerRegistryImpl implements SerializerRegistry {
35 private static final Logger LOGGER = LoggerFactory.getLogger(SerializerRegistryImpl.class);
36 private static final short OF10 = EncodeConstants.OF10_VERSION_ID;
37 private static final short OF13 = EncodeConstants.OF13_VERSION_ID;
38 private Map<MessageTypeKey<?>, OFGeneralSerializer> registry;
43 registry = new HashMap<>();
44 // Openflow message type serializers
45 MessageFactoryInitializer.registerMessageSerializers(this);
47 // match structure serializers
48 registerSerializer(new MessageTypeKey<>(OF10, MatchV10.class), new OF10MatchSerializer());
49 registerSerializer(new MessageTypeKey<>(OF13, Match.class), new OF13MatchSerializer());
51 // match entry serializers
52 MatchEntriesInitializer.registerMatchEntrySerializers(this);
54 ActionsInitializer.registerActionSerializers(this);
55 // instruction serializers
56 InstructionsInitializer.registerInstructionSerializers(this);
61 * @return encoder for current type of message (msgTypeKey)
64 @SuppressWarnings("unchecked")
65 public <K, S extends OFGeneralSerializer> S getSerializer(
66 MessageTypeKey<K> msgTypeKey) {
67 OFGeneralSerializer serializer = registry.get(msgTypeKey);
68 if (serializer == null) {
69 throw new IllegalStateException("Serializer for key: " + msgTypeKey
70 + " was not found - please verify that you are using correct message"
71 + " combination (e.g. OF v1.0 message to OF v1.0 device)");
73 return (S) serializer;
77 public <K> void registerSerializer(
78 MessageTypeKey<K> msgTypeKey, OFGeneralSerializer serializer) {
79 if ((msgTypeKey == null) || (serializer == null)) {
80 throw new IllegalArgumentException("MessageTypeKey or Serializer is null");
82 OFGeneralSerializer serInRegistry = registry.put(msgTypeKey, serializer);
83 if (serInRegistry != null) {
84 LOGGER.debug("Serializer for key " + msgTypeKey + " overwritten. Old serializer: "
85 + serInRegistry.getClass().getName() + ", new serializer: "
86 + serializer.getClass().getName() );
88 if (serializer instanceof SerializerRegistryInjector) {
89 ((SerializerRegistryInjector) serializer).injectSerializerRegistry(this);
94 public <K> boolean unregisterSerializer(MessageTypeKey<K> msgTypeKey) {
95 if (msgTypeKey == null) {
96 throw new IllegalArgumentException("MessageTypeKey is null");
98 OFGeneralSerializer serializer = registry.remove(msgTypeKey);
99 if (serializer == null) {