2 * Copyright (c) 2015 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.rib.impl;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.cache.CacheBuilder;
13 import com.google.common.cache.CacheLoader;
14 import com.google.common.cache.LoadingCache;
15 import org.opendaylight.protocol.bgp.rib.impl.spi.CodecsRegistry;
16 import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContext;
17 import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContextRegistry;
18 import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionConsumerContext;
19 import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.rib.TablesKey;
21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
23 final class RIBSupportContextRegistryImpl implements RIBSupportContextRegistry {
25 private final LoadingCache<RIBSupport, RIBSupportContextImpl> contexts = CacheBuilder.newBuilder()
26 .build(new CacheLoader<RIBSupport, RIBSupportContextImpl>(){
28 public RIBSupportContextImpl load(final RIBSupport key) {
29 return createRIBSupportContext(key);
33 private final RIBExtensionConsumerContext extensionContext;
34 private final CodecsRegistry codecs;
36 private RIBSupportContextRegistryImpl(final RIBExtensionConsumerContext extensions, final CodecsRegistry codecs) {
37 this.extensionContext = requireNonNull(extensions);
38 this.codecs = requireNonNull(codecs);
41 static RIBSupportContextRegistryImpl create(final RIBExtensionConsumerContext extensions, final CodecsRegistry codecs) {
42 return new RIBSupportContextRegistryImpl(extensions, codecs);
45 private RIBSupportContextImpl createRIBSupportContext(final RIBSupport support) {
46 return new RIBSupportContextImpl(support, this.codecs);
50 public RIBSupportContext getRIBSupportContext(final TablesKey key) {
51 final RIBSupport ribSupport = this.extensionContext.getRIBSupport(key);
52 if(ribSupport != null) {
53 return this.contexts.getUnchecked(ribSupport);
59 public RIBSupportContext getRIBSupportContext(final NodeIdentifierWithPredicates key) {
60 final RIBSupport ribSupport = this.extensionContext.getRIBSupport(key);
61 if(ribSupport != null) {
62 return this.contexts.getUnchecked(ribSupport);