bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/state/BGPStateCollectorImpl.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.rib.impl.state;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import java.util.List;
  12 import java.util.Objects;
  13 import java.util.concurrent.CopyOnWriteArrayList;
  14 import javax.annotation.concurrent.ThreadSafe;
  15 import org.opendaylight.protocol.bgp.rib.spi.state.BGPPeerState;
  16 import org.opendaylight.protocol.bgp.rib.spi.state.BGPPeerStateConsumer;
  17 import org.opendaylight.protocol.bgp.rib.spi.state.BGPRibState;
  18 import org.opendaylight.protocol.bgp.rib.spi.state.BGPRibStateConsumer;
  19 import org.opendaylight.protocol.bgp.rib.spi.state.BGPStateConsumer;
  20 import org.opendaylight.protocol.bgp.rib.spi.state.BGPStateProvider;
  21
  22 @ThreadSafe
  23 public class BGPStateCollectorImpl implements BGPStateProvider, BGPStateConsumer {
  24     private final List<BGPRibStateConsumer> bgpRibStates = new CopyOnWriteArrayList<>();
  25     private final List<BGPPeerStateConsumer> bgpPeerStates = new CopyOnWriteArrayList<>();
  26
  27     @Override
  28     public List<BGPRibState> getRibStats() {
  29         return this.bgpRibStates.stream().map(BGPRibStateConsumer::getRIBState).filter(Objects::nonNull)
  30                 .collect(ImmutableList.toImmutableList());
  31     }
  32
  33     @Override
  34     public List<BGPPeerState> getPeerStats() {
  35         return this.bgpPeerStates.stream().map(BGPPeerStateConsumer::getPeerState).filter(Objects::nonNull)
  36                 .collect(ImmutableList.toImmutableList());
  37     }
  38
  39     @Override
  40     public void bind(final BGPRibStateConsumer bgpState) {
  41         this.bgpRibStates.add(bgpState);
  42     }
  43
  44     @Override
  45     public void bind(final BGPPeerStateConsumer bgpState) {
  46         this.bgpPeerStates.add(bgpState);
  47     }
  48
  49     @Override
  50     public void unbind(final BGPRibStateConsumer bgpState) {
  51         this.bgpRibStates.remove(bgpState);
  52     }
  53
  54     @Override
  55     public void unbind(final BGPPeerStateConsumer bgpState) {
  56         this.bgpPeerStates.remove(bgpState);
  57     }
  58 }