2 * Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.rib.impl.stats.peer.route;
10 import com.google.common.base.Preconditions;
13 import java.util.concurrent.ConcurrentHashMap;
14 import java.util.concurrent.atomic.LongAdder;
15 import javax.annotation.Nonnull;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
20 public final class PerTableTypeRouteCounter {
21 private static final Logger LOG = LoggerFactory.getLogger(PerTableTypeRouteCounter.class);
23 private final Map<TablesKey, LongAdder> counters = new ConcurrentHashMap<>();
25 public PerTableTypeRouteCounter(@Nonnull final Set<TablesKey> tablesKeySet) {
29 public PerTableTypeRouteCounter() {
32 private synchronized void init(@Nonnull Set<TablesKey> tablesKeySet) {
33 tablesKeySet.forEach(this::init);
36 public final synchronized LongAdder init(@Nonnull final TablesKey tablesKey) {
37 LongAdder counter = this.counters.get(Preconditions.checkNotNull(tablesKey));
38 if (counter == null) {
39 counter = new LongAdder();
40 this.counters.put(tablesKey, counter);
42 LOG.debug("Initializing route counter for tablesKey {}", tablesKey);
48 * Get the counter for given tablesKey. Return an empty counter if it doesn't exist
49 * NOTE: the created empty counter won't be put into the original map
53 @Nonnull public final LongAdder getCounterOrDefault(@Nonnull final TablesKey tablesKey) {
54 return this.counters.getOrDefault(Preconditions.checkNotNull(tablesKey), new LongAdder());
58 * Get the counter with given tablesKey. Create an empty counter if it doesn't exist
59 * This method will put the created empty counter back to map
63 public final LongAdder getCounterOrSetDefault(@Nonnull final TablesKey tablesKey) {
64 if (!this.counters.containsKey(tablesKey)) {
65 return init(tablesKey);
67 return this.counters.get(Preconditions.checkNotNull(tablesKey));
71 public final Map<TablesKey, LongAdder> getCounters() {
75 public final void resetAll() {
76 LOG.debug("Resetting all route counters..");
77 this.counters.values().forEach(LongAdder::reset);