2 * Copyright (c) 2013 Cisco Systems, Inc. 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
8 package org.opendaylight.protocol.bgp.parser.spi.pojo;
10 import com.google.common.cache.Cache;
11 import com.google.common.cache.CacheBuilder;
12 import java.util.concurrent.atomic.AtomicReference;
13 import org.opendaylight.protocol.bgp.parser.spi.AttributeParser;
14 import org.opendaylight.protocol.bgp.parser.spi.AttributeSerializer;
15 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
16 import org.opendaylight.protocol.bgp.parser.spi.BgpPrefixSidTlvParser;
17 import org.opendaylight.protocol.bgp.parser.spi.BgpPrefixSidTlvSerializer;
18 import org.opendaylight.protocol.bgp.parser.spi.CapabilityParser;
19 import org.opendaylight.protocol.bgp.parser.spi.CapabilitySerializer;
20 import org.opendaylight.protocol.bgp.parser.spi.MessageParser;
21 import org.opendaylight.protocol.bgp.parser.spi.MessageSerializer;
22 import org.opendaylight.protocol.bgp.parser.spi.NextHopParserSerializer;
23 import org.opendaylight.protocol.bgp.parser.spi.NlriParser;
24 import org.opendaylight.protocol.bgp.parser.spi.NlriSerializer;
25 import org.opendaylight.protocol.bgp.parser.spi.ParameterParser;
26 import org.opendaylight.protocol.bgp.parser.spi.ParameterSerializer;
27 import org.opendaylight.protocol.bgp.parser.spi.extended.community.ExtendedCommunityParser;
28 import org.opendaylight.protocol.bgp.parser.spi.extended.community.ExtendedCommunitySerializer;
29 import org.opendaylight.protocol.util.ReferenceCache;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.bgp.prefix.sid.bgp.prefix.sid.tlvs.BgpPrefixSidTlv;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.extended.community.ExtendedCommunity;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
36 import org.opendaylight.yangtools.yang.binding.DataObject;
37 import org.opendaylight.yangtools.yang.binding.Notification;
39 public class SimpleBGPExtensionProviderContext extends SimpleBGPExtensionConsumerContext implements BGPExtensionProviderContext {
41 public static final int DEFAULT_MAXIMUM_CACHED_OBJECTS = 100000;
43 private final AtomicReference<Cache<Object, Object>> cacheRef;
44 private final ReferenceCache referenceCache = new ReferenceCache() {
46 public <T> T getSharedReference(final T object) {
47 final Cache<Object, Object> cache = SimpleBGPExtensionProviderContext.this.cacheRef.get();
49 @SuppressWarnings("unchecked")
50 final T ret = (T) cache.getIfPresent(object);
52 cache.put(object, object);
59 private final int maximumCachedObjects;
61 public SimpleBGPExtensionProviderContext() {
62 this(DEFAULT_MAXIMUM_CACHED_OBJECTS);
65 public SimpleBGPExtensionProviderContext(final int maximumCachedObjects) {
66 this.maximumCachedObjects = maximumCachedObjects;
68 final Cache<Object, Object> cache = CacheBuilder.newBuilder().maximumSize(maximumCachedObjects).build();
69 this.cacheRef = new AtomicReference<>(cache);
73 public AutoCloseable registerAddressFamily(final Class<? extends AddressFamily> clazz, final int number) {
74 return this.getAddressFamilyRegistry().registerAddressFamily(clazz, number);
78 public AutoCloseable registerAttributeParser(final int attributeType, final AttributeParser parser) {
79 return this.getAttributeRegistry().registerAttributeParser(attributeType, parser);
83 public AutoCloseable registerAttributeSerializer(final Class<? extends DataObject> attributeClass, final AttributeSerializer serializer) {
84 return this.getAttributeRegistry().registerAttributeSerializer(attributeClass, serializer);
88 public AutoCloseable registerCapabilityParser(final int capabilityType, final CapabilityParser parser) {
89 return this.getCapabilityRegistry().registerCapabilityParser(capabilityType, parser);
93 public AutoCloseable registerCapabilitySerializer(final Class<? extends DataObject> capabilityClass, final CapabilitySerializer serializer) {
94 return this.getCapabilityRegistry().registerCapabilitySerializer(capabilityClass, serializer);
98 public AutoCloseable registerMessageParser(final int messageType, final MessageParser parser) {
99 return this.getMessageRegistry().registerMessageParser(messageType, parser);
103 public AutoCloseable registerMessageSerializer(final Class<? extends Notification> messageClass, final MessageSerializer serializer) {
104 return this.getMessageRegistry().registerMessageSerializer(messageClass, serializer);
108 * Each extension requires a specific NextHop handler. Therefore this method has been deprecated for
109 * the method which enforce user to register it.
113 public AutoCloseable registerNlriParser(final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi, final NlriParser parser) {
114 return this.getNlriRegistry().registerNlriParser(afi, safi, parser, null, null);
118 public AutoCloseable registerNlriParser(final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi,
119 final NlriParser parser, final NextHopParserSerializer nextHopParserSerializer, final Class<? extends
120 CNextHop> cNextHopClass, final Class<? extends CNextHop>... cNextHopClassList) {
121 return this.getNlriRegistry().registerNlriParser(afi, safi, parser, nextHopParserSerializer, cNextHopClass, cNextHopClassList);
125 public AutoCloseable registerNlriSerializer(final Class<? extends DataObject> nlriClass, final NlriSerializer serializer) {
126 return this.getNlriRegistry().registerNlriSerializer(nlriClass, serializer);
130 public AutoCloseable registerParameterParser(final int parameterType, final ParameterParser parser) {
131 return this.getParameterRegistry().registerParameterParser(parameterType, parser);
135 public AutoCloseable registerParameterSerializer(final Class<? extends BgpParameters> paramClass, final ParameterSerializer serializer) {
136 return this.getParameterRegistry().registerParameterSerializer(paramClass, serializer);
140 public AutoCloseable registerSubsequentAddressFamily(final Class<? extends SubsequentAddressFamily> clazz, final int number) {
141 return this.getSubsequentAddressFamilyRegistry().registerSubsequentAddressFamily(clazz, number);
145 public ReferenceCache getReferenceCache() {
146 return this.referenceCache;
150 public AutoCloseable registerExtendedCommunitySerializer(final Class<? extends ExtendedCommunity> extendedCommunityClass,
151 final ExtendedCommunitySerializer serializer) {
152 return this.getExtendedCommunityReistry().registerExtendedCommunitySerializer(extendedCommunityClass, serializer);
156 public AutoCloseable registerExtendedCommunityParser(final int type, final int subtype, final ExtendedCommunityParser parser) {
157 return this.getExtendedCommunityReistry().registerExtendedCommunityParser(type, subtype, parser);
161 public AutoCloseable registerBgpPrefixSidTlvParser(final int tlvType, final BgpPrefixSidTlvParser parser) {
162 return this.getBgpPrefixSidTlvRegistry().registerBgpPrefixSidTlvParser(tlvType, parser);
166 public AutoCloseable registerBgpPrefixSidTlvSerializer(final Class<? extends BgpPrefixSidTlv> tlvClass, final BgpPrefixSidTlvSerializer serializer) {
167 return this.getBgpPrefixSidTlvRegistry().registerBgpPrefixSidTlvSerializer(tlvClass, serializer);