2 * Copyright (c) 2014 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.api.extensibility;
11 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterActionDeserializerKey;
12 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterDeserializerKey;
13 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterIdDeserializerKey;
14 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterInstructionDeserializerKey;
15 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
16 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
17 import org.opendaylight.openflowjava.protocol.api.keys.TypeToClassKey;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessage;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.experimenter.core.ExperimenterDataOfChoice;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandExperimenterCase;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueueProperty;
24 * Provides methods for deserialization part of extensibility.
25 * In case of handling multiple multiple structures of same type (actions,
26 * instructions, match entries, ... ) which are differentiated by
27 * vendor / experimenter subtype, vendor has to switch / choose between
30 * This has to be done in this way because of experimenter headers, which
31 * provide only vendor / experimenter ID. Subtype position may be different
32 * for different vendors (or not present at all) - that's why vendor has to
33 * handle it in his own implementations.
34 * @author michal.polkorab
36 public interface DeserializerExtensionProvider {
39 * Registers deserializer.
40 * Throws IllegalStateException when there is
41 * a deserializer already registered under given key.
43 * If the deserializer implements {@link DeserializerRegistryInjector} interface,
44 * the deserializer is injected with DeserializerRegistry instance.
46 * @param key used for deserializer lookup
47 * @param deserializer deserializer instance
49 void registerDeserializer(MessageCodeKey key,
50 OFGeneralDeserializer deserializer);
53 * Unregisters custom deserializer
54 * @param key used for deserializer lookup
55 * @return true if deserializer was removed,
56 * false if no deserializer was found under specified key
58 boolean unregisterDeserializer(ExperimenterDeserializerKey key);
61 * Registers action deserializer
62 * @param key used for deserializer lookup
63 * @param deserializer deserializer instance
65 void registerActionDeserializer(ExperimenterActionDeserializerKey key,
66 OFGeneralDeserializer deserializer);
69 * Registers instruction deserializer
70 * @param key used for deserializer lookup
71 * @param deserializer deserializer instance
73 void registerInstructionDeserializer(ExperimenterInstructionDeserializerKey key,
74 OFGeneralDeserializer deserializer);
77 * Registers match entry deserializer
78 * @param key used for deserializer lookup
79 * @param deserializer deserializer instance
81 void registerMatchEntryDeserializer(MatchEntryDeserializerKey key,
82 OFGeneralDeserializer deserializer);
85 * Registers error message deserializer
86 * @param key used for deserializer lookup
87 * @param deserializer deserializer instance
89 void registerErrorDeserializer(ExperimenterIdDeserializerKey key,
90 OFDeserializer<ErrorMessage> deserializer);
93 * Registers experimenter (vendor) message deserializer
94 * @param key used for deserializer lookup
95 * @param deserializer deserializer instance
97 void registerExperimenterMessageDeserializer(ExperimenterIdDeserializerKey key,
98 OFDeserializer<? extends ExperimenterDataOfChoice> deserializer);
101 * Registers multipart-reply (stats) message deserializer
102 * @param key used for deserializer lookup
103 * @param deserializer deserializer instance
105 void registerMultipartReplyMessageDeserializer(ExperimenterIdDeserializerKey key,
106 OFDeserializer<? extends ExperimenterDataOfChoice> deserializer);
109 * Registers multipart-reply table-features message deserializer
110 * @param key used for deserializer lookup
111 * @param deserializer deserializer instance
113 void registerMultipartReplyTFDeserializer(ExperimenterIdDeserializerKey key,
114 OFGeneralDeserializer deserializer);
117 * Registers meter band deserializer (used in multipart-reply meter-config)
118 * @param key used for deserializer lookup
119 * @param deserializer deserializer instance
121 void registerMeterBandDeserializer(ExperimenterIdDeserializerKey key,
122 OFDeserializer<MeterBandExperimenterCase> deserializer);
125 * Registers queue property (QUEUE_GET_CONFIG_REPLY message) deserializer
126 * @param key used for deserializer lookup
127 * @param deserializer deserializer instance
129 void registerQueuePropertyDeserializer(ExperimenterIdDeserializerKey key,
130 OFDeserializer<QueueProperty> deserializer);
133 * Registers type to class mapping used to assign return type when deserializing message
134 * @param key type to class key
135 * @param clazz return class
137 void registerDeserializerMapping(TypeToClassKey key, Class<?> clazz);
140 * Unregisters type to class mapping used to assign return type when deserializing message
141 * @param key type to class key
142 * @return true if mapping was successfully removed
144 boolean unregisterDeserializerMapping(TypeToClassKey key);