| /* |
| * Copyright 2016 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.store.primitives.impl; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.function.BiFunction; |
| import java.util.function.Function; |
| import java.util.function.Predicate; |
| |
| import org.onosproject.store.primitives.TransactionId; |
| import org.onosproject.store.service.AsyncConsistentMap; |
| import org.onosproject.store.service.MapEvent; |
| import org.onosproject.store.service.MapEventListener; |
| import org.onosproject.store.service.MapTransaction; |
| import org.onosproject.store.service.Versioned; |
| |
| import com.google.common.base.Throwables; |
| import com.google.common.collect.Maps; |
| |
| import org.onosproject.utils.MeteringAgent; |
| |
| /** |
| * {@link AsyncConsistentMap} that meters all its operations. |
| * |
| * @param <K> key type |
| * @param <V> value type |
| */ |
| public class MeteredAsyncConsistentMap<K, V> extends DelegatingAsyncConsistentMap<K, V> { |
| |
| private static final String PRIMITIVE_NAME = "consistentMap"; |
| private static final String SIZE = "size"; |
| private static final String IS_EMPTY = "isEmpty"; |
| private static final String CONTAINS_KEY = "containsKey"; |
| private static final String CONTAINS_VALUE = "containsValue"; |
| private static final String GET = "get"; |
| private static final String COMPUTE_IF = "computeIf"; |
| private static final String PUT = "put"; |
| private static final String PUT_AND_GET = "putAndGet"; |
| private static final String PUT_IF_ABSENT = "putIfAbsent"; |
| private static final String REMOVE = "remove"; |
| private static final String CLEAR = "clear"; |
| private static final String KEY_SET = "keySet"; |
| private static final String VALUES = "values"; |
| private static final String ENTRY_SET = "entrySet"; |
| private static final String REPLACE = "replace"; |
| private static final String COMPUTE_IF_ABSENT = "computeIfAbsent"; |
| private static final String PREPARE = "prepare"; |
| private static final String COMMIT = "commit"; |
| private static final String ROLLBACK = "rollback"; |
| private static final String PREPARE_AND_COMMIT = "prepareAndCommit"; |
| private static final String ADD_LISTENER = "addListener"; |
| private static final String REMOVE_LISTENER = "removeListener"; |
| private static final String NOTIFY_LISTENER = "notifyListener"; |
| |
| private final Map<MapEventListener<K, V>, InternalMeteredMapEventListener> listeners = |
| Maps.newIdentityHashMap(); |
| private final MeteringAgent monitor; |
| |
| public MeteredAsyncConsistentMap(AsyncConsistentMap<K, V> backingMap) { |
| super(backingMap); |
| this.monitor = new MeteringAgent(PRIMITIVE_NAME, backingMap.name(), true); |
| } |
| |
| @Override |
| public CompletableFuture<Integer> size() { |
| final MeteringAgent.Context timer = monitor.startTimer(SIZE); |
| return super.size() |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> isEmpty() { |
| final MeteringAgent.Context timer = monitor.startTimer(IS_EMPTY); |
| return super.isEmpty() |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsKey(K key) { |
| final MeteringAgent.Context timer = monitor.startTimer(CONTAINS_KEY); |
| return super.containsKey(key) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsValue(V value) { |
| final MeteringAgent.Context timer = monitor.startTimer(CONTAINS_VALUE); |
| return super.containsValue(value) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> get(K key) { |
| final MeteringAgent.Context timer = monitor.startTimer(GET); |
| return super.get(key) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> computeIfAbsent(K key, |
| Function<? super K, ? extends V> mappingFunction) { |
| final MeteringAgent.Context timer = monitor.startTimer(COMPUTE_IF_ABSENT); |
| return super.computeIfAbsent(key, mappingFunction) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> computeIf(K key, |
| Predicate<? super V> condition, |
| BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
| final MeteringAgent.Context timer = monitor.startTimer(COMPUTE_IF); |
| return super.computeIf(key, condition, remappingFunction) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> put(K key, V value) { |
| final MeteringAgent.Context timer = monitor.startTimer(PUT); |
| return super.put(key, value) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> putAndGet(K key, V value) { |
| final MeteringAgent.Context timer = monitor.startTimer(PUT_AND_GET); |
| return super.putAndGet(key, value) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> remove(K key) { |
| final MeteringAgent.Context timer = monitor.startTimer(REMOVE); |
| return super.remove(key) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Void> clear() { |
| final MeteringAgent.Context timer = monitor.startTimer(CLEAR); |
| return super.clear() |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Set<K>> keySet() { |
| final MeteringAgent.Context timer = monitor.startTimer(KEY_SET); |
| return super.keySet() |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Collection<Versioned<V>>> values() { |
| final MeteringAgent.Context timer = monitor.startTimer(VALUES); |
| return super.values() |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Set<Entry<K, Versioned<V>>>> entrySet() { |
| final MeteringAgent.Context timer = monitor.startTimer(ENTRY_SET); |
| return super.entrySet() |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> putIfAbsent(K key, V value) { |
| final MeteringAgent.Context timer = monitor.startTimer(PUT_IF_ABSENT); |
| return super.putIfAbsent(key, value) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> remove(K key, V value) { |
| final MeteringAgent.Context timer = monitor.startTimer(REMOVE); |
| return super.remove(key, value) |
| .whenComplete((r, e) -> timer.stop(e)); |
| |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> remove(K key, long version) { |
| final MeteringAgent.Context timer = monitor.startTimer(REMOVE); |
| return super.remove(key, version) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<V>> replace(K key, V value) { |
| final MeteringAgent.Context timer = monitor.startTimer(REPLACE); |
| return super.replace(key, value) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> replace(K key, V oldValue, V newValue) { |
| final MeteringAgent.Context timer = monitor.startTimer(REPLACE); |
| return super.replace(key, oldValue, newValue) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> replace(K key, long oldVersion, V newValue) { |
| final MeteringAgent.Context timer = monitor.startTimer(REPLACE); |
| return super.replace(key, oldVersion, newValue) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Void> addListener(MapEventListener<K, V> listener) { |
| final MeteringAgent.Context timer = monitor.startTimer(ADD_LISTENER); |
| synchronized (listeners) { |
| InternalMeteredMapEventListener meteredListener = |
| listeners.computeIfAbsent(listener, k -> new InternalMeteredMapEventListener(listener)); |
| return super.addListener(meteredListener) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| } |
| |
| @Override |
| public CompletableFuture<Void> removeListener(MapEventListener<K, V> listener) { |
| final MeteringAgent.Context timer = monitor.startTimer(REMOVE_LISTENER); |
| InternalMeteredMapEventListener meteredListener = listeners.remove(listener); |
| if (meteredListener != null) { |
| return super.removeListener(listener) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } else { |
| timer.stop(null); |
| return CompletableFuture.completedFuture(null); |
| } |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> prepare(MapTransaction<K, V> transaction) { |
| final MeteringAgent.Context timer = monitor.startTimer(PREPARE); |
| return super.prepare(transaction) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Void> commit(TransactionId transactionId) { |
| final MeteringAgent.Context timer = monitor.startTimer(COMMIT); |
| return super.commit(transactionId) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Void> rollback(TransactionId transactionId) { |
| final MeteringAgent.Context timer = monitor.startTimer(ROLLBACK); |
| return super.rollback(transactionId) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> prepareAndCommit(MapTransaction<K, V> transaction) { |
| final MeteringAgent.Context timer = monitor.startTimer(PREPARE_AND_COMMIT); |
| return super.prepareAndCommit(transaction) |
| .whenComplete((r, e) -> timer.stop(e)); |
| } |
| |
| private class InternalMeteredMapEventListener implements MapEventListener<K, V> { |
| |
| private final MapEventListener<K, V> listener; |
| |
| InternalMeteredMapEventListener(MapEventListener<K, V> listener) { |
| this.listener = listener; |
| } |
| |
| @Override |
| public void event(MapEvent<K, V> event) { |
| final MeteringAgent.Context timer = monitor.startTimer(NOTIFY_LISTENER); |
| try { |
| listener.event(event); |
| timer.stop(null); |
| } catch (Exception e) { |
| timer.stop(e); |
| Throwables.propagate(e); |
| } |
| } |
| } |
| } |