bgp/parser-spi/src/main/java/org/opendaylight/protocol/bgp/parser/spi/pojo/MultiPathSupportImpl.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
   9 package org.opendaylight.protocol.bgp.parser.spi.pojo;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.collect.ImmutableSet;
  13 import java.util.List;
  14 import java.util.Set;
  15 import java.util.stream.Collectors;
  16 import javax.annotation.Nonnull;
  17 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  18 import org.opendaylight.protocol.bgp.parser.spi.MultiPathSupport;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.SendReceive;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamilies;
  22
  23 public final class MultiPathSupportImpl implements MultiPathSupport {
  24
  25     private final Set<BgpTableType> supportedTables;
  26
  27     private MultiPathSupportImpl(final Set<BgpTableType> supportedTables) {
  28         this.supportedTables = ImmutableSet.copyOf(supportedTables);
  29     }
  30
  31     /**
  32      * Creates instance of {@link MultiPathSupport} holder to be used
  33      * as a parser constraint, hence only "send" add-path capabilities are
  34      * taken into the account.
  35      *
  36      * @param addPathCapabilities The remote add-path capabilities list.
  37      * @return MultiPathSupport instance.
  38      */
  39     public static MultiPathSupport createParserMultiPathSupport(@Nonnull final List<AddressFamilies> addPathCapabilities) {
  40         Preconditions.checkNotNull(addPathCapabilities);
  41         final Set<BgpTableType> support = addPathCapabilities
  42             .stream()
  43             .filter(e -> e.getSendReceive() == SendReceive.Both || e.getSendReceive() == SendReceive.Send)
  44             .map(e -> new BgpTableTypeImpl(e.getAfi(), e.getSafi()))
  45             .collect(Collectors.toSet());
  46         return new MultiPathSupportImpl(support);
  47     }
  48
  49     @Override
  50     public boolean isTableTypeSupported(final BgpTableType tableType) {
  51         return this.supportedTables.contains(tableType);
  52     }
  53
  54 }