| /* |
| * Copyright 2015 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.intent.impl; |
| |
| import org.onosproject.net.intent.IntentData; |
| import org.onosproject.store.Timestamp; |
| import org.onosproject.store.impl.ClockService; |
| import org.onosproject.store.impl.MultiValuedTimestamp; |
| |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| /** |
| * ClockService that generates logical timestamps based on IntentData versions. |
| */ |
| public class IntentDataLogicalClockManager<K> implements ClockService<K, IntentData> { |
| |
| private final AtomicLong sequenceNumber = new AtomicLong(0); |
| |
| @Override |
| public Timestamp getTimestamp(K key, IntentData intentData) { |
| return new MultiValuedTimestamp<>(intentData.version(), |
| sequenceNumber.getAndIncrement()); |
| } |
| } |