bgp/rib-spi/src/main/java/org/opendaylight/protocol/bgp/rib/spi/SimpleRIBExtensionProviderContext.java

   1 /*
   2  * Copyright (c) 2013 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.spi;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.Preconditions;
  13 import java.util.concurrent.ConcurrentHashMap;
  14 import java.util.concurrent.ConcurrentMap;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.Route;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
  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.yang.binding.ChildOf;
  22 import org.opendaylight.yangtools.yang.binding.ChoiceIn;
  23 import org.opendaylight.yangtools.yang.binding.DataObject;
  24 import org.opendaylight.yangtools.yang.binding.Identifiable;
  25 import org.opendaylight.yangtools.yang.binding.Identifier;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class SimpleRIBExtensionProviderContext implements RIBExtensionProviderContext {
  31     private static final Logger LOG = LoggerFactory.getLogger(SimpleRIBExtensionProviderContext.class);
  32
  33     private final ConcurrentMap<TablesKey, RIBSupport<?, ?, ?, ?>> supports = new ConcurrentHashMap<>();
  34     private final ConcurrentMap<NodeIdentifierWithPredicates, RIBSupport<?, ?, ?, ?>> domSupports =
  35             new ConcurrentHashMap<>();
  36
  37     @Override
  38     public <T extends RIBSupport<?, ?, ?, ?>> RIBSupportRegistration<T> registerRIBSupport(
  39             final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi,
  40             final T support) {
  41         final TablesKey key = new TablesKey(afi, safi);
  42         final RIBSupport<?, ?, ?, ?> prev = this.supports.putIfAbsent(key, support);
  43         Preconditions.checkArgument(prev == null, "AFI %s SAFI %s is already registered with %s",
  44                 afi, safi, prev);
  45         this.domSupports.put(RibSupportUtils.toYangTablesKey(afi, safi), support);
  46         return new AbstractRIBSupportRegistration<>(support) {
  47             @Override
  48             protected void removeRegistration() {
  49                 // FIXME: clean up registrations, too
  50                 SimpleRIBExtensionProviderContext.this.supports.remove(key);
  51             }
  52         };
  53     }
  54
  55     @Override
  56     public <C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<C>,
  57         R extends Route & ChildOf<S> & Identifiable<I>, I extends Identifier<R>> RIBSupport<C, S, R, I> getRIBSupport(
  58             final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi) {
  59         return getRIBSupport(new TablesKey(afi, safi));
  60     }
  61
  62     @Override
  63     @SuppressWarnings("unchecked")
  64     public <C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<C>,
  65         R extends Route & ChildOf<S> & Identifiable<I>, I extends Identifier<R>> RIBSupport<C, S, R, I> getRIBSupport(
  66             final TablesKey key) {
  67         return (RIBSupport<C, S, R, I>) this.supports.get(requireNonNull(key));
  68     }
  69
  70     @Override
  71     @SuppressWarnings("unchecked")
  72     public <C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<C>,
  73         R extends Route & ChildOf<S> & Identifiable<I>, I extends Identifier<R>> RIBSupport<C, S, R, I> getRIBSupport(
  74             final NodeIdentifierWithPredicates key) {
  75         return (RIBSupport<C, S, R, I>) this.domSupports.get(key);
  76     }
  77 }