bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/ConstantCodecsRegistry.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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 package org.opendaylight.protocol.bgp.rib.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.concurrent.ConcurrentHashMap;
  13 import java.util.concurrent.ConcurrentMap;
  14 import javax.inject.Inject;
  15 import javax.inject.Singleton;
  16 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
  17 import org.opendaylight.protocol.bgp.rib.impl.spi.Codecs;
  18 import org.opendaylight.protocol.bgp.rib.impl.spi.CodecsRegistry;
  19 import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
  20
  21 @Singleton
  22 public final class ConstantCodecsRegistry implements CodecsRegistry {
  23     private final ConcurrentMap<RIBSupport<?, ?, ?, ?>, Codecs> contexts = new ConcurrentHashMap<>();
  24     private final BindingCodecTree codecTree;
  25
  26     @Inject
  27     public ConstantCodecsRegistry(final BindingCodecTree codecTree) {
  28         this.codecTree = requireNonNull(codecTree);
  29     }
  30
  31     @Override
  32     public Codecs getCodecs(final RIBSupport<?, ?, ?, ?> ribSupport) {
  33         return contexts.computeIfAbsent(ribSupport, this::createCodecs);
  34     }
  35
  36     private Codecs createCodecs(final RIBSupport<?, ?, ?, ?> key) {
  37         final Codecs codecs = new CodecsImpl(key);
  38         codecs.onCodecTreeUpdated(codecTree);
  39         return codecs;
  40     }
  41 }