bgp/openconfig-spi/src/main/java/org/opendaylight/protocol/bgp/openconfig/spi/SimpleBGPTableTypeRegistryProvider.java

   1 /*
   2  * Copyright (c) 2016 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.openconfig.spi;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.collect.BiMap;
  12 import com.google.common.collect.HashBiMap;
  13 import java.util.Optional;
  14 import org.checkerframework.checker.lock.qual.GuardedBy;
  15 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  16 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.AfiSafiType;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.AddressFamily;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.SubsequentAddressFamily;
  21 import org.opendaylight.yangtools.concepts.AbstractRegistration;
  22
  23 public final class SimpleBGPTableTypeRegistryProvider implements BGPTableTypeRegistryProvider {
  24
  25     @GuardedBy("this")
  26     private final BiMap<BgpTableType, Class<? extends AfiSafiType>> tableTypes = HashBiMap.create();
  27     @GuardedBy("this")
  28     private final BiMap<TablesKey, Class<? extends AfiSafiType>> tableKeys = HashBiMap.create();
  29
  30     @Override
  31     public synchronized AbstractRegistration registerBGPTableType(final Class<? extends AddressFamily> afi,
  32             final Class<? extends SubsequentAddressFamily> safi, final Class<? extends AfiSafiType> afiSafiType) {
  33         final BgpTableType tableType = new BgpTableTypeImpl(afi, safi);
  34         final Class<? extends AfiSafiType> prev = this.tableTypes.putIfAbsent(tableType, afiSafiType);
  35         Preconditions.checkState(prev == null, "AFI %s SAFI %s is already registered with %s",
  36                 afi, safi, prev);
  37         final TablesKey tableKey = new TablesKey(tableType.getAfi(), tableType.getSafi());
  38         this.tableKeys.put(tableKey, afiSafiType);
  39
  40         return new AbstractRegistration() {
  41             @Override
  42             protected void removeRegistration() {
  43                 synchronized (SimpleBGPTableTypeRegistryProvider.this) {
  44                     SimpleBGPTableTypeRegistryProvider.this.tableTypes.remove(tableType);
  45                     SimpleBGPTableTypeRegistryProvider.this.tableKeys.remove(tableKey);
  46                 }
  47             }
  48         };
  49     }
  50
  51     @Override
  52     public synchronized Optional<BgpTableType> getTableType(final Class<? extends AfiSafiType> afiSafiType) {
  53         return Optional.ofNullable(tableTypes.inverse().get(afiSafiType));
  54     }
  55
  56     @Override
  57     public Optional<TablesKey> getTableKey(final Class<? extends AfiSafiType> afiSafiType) {
  58         return Optional.ofNullable(tableKeys.inverse().get(afiSafiType));
  59     }
  60
  61     @Override
  62     public synchronized Optional<Class<? extends AfiSafiType>> getAfiSafiType(final BgpTableType bgpTableType) {
  63         return Optional.ofNullable(tableTypes.get(bgpTableType));
  64     }
  65
  66     @Override
  67     public Optional<Class<? extends AfiSafiType>> getAfiSafiType(final TablesKey tablesKey) {
  68         return Optional.ofNullable(tableKeys.get(tablesKey));
  69     }
  70 }