| /* |
| * 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.impl; |
| |
| import com.google.common.base.MoreObjects; |
| import org.onosproject.store.Timestamp; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Describes a single put event in an EventuallyConsistentMap. |
| */ |
| final class PutEntry<K, V> { |
| private final K key; |
| private final V value; |
| private final Timestamp timestamp; |
| |
| /** |
| * Creates a new put entry. |
| * |
| * @param key key of the entry |
| * @param value value of the entry |
| * @param timestamp timestamp of the put event |
| */ |
| public PutEntry(K key, V value, Timestamp timestamp) { |
| this.key = checkNotNull(key); |
| this.value = checkNotNull(value); |
| this.timestamp = checkNotNull(timestamp); |
| } |
| |
| // Needed for serialization. |
| @SuppressWarnings("unused") |
| private PutEntry() { |
| this.key = null; |
| this.value = null; |
| this.timestamp = null; |
| } |
| |
| /** |
| * Returns the key of the entry. |
| * |
| * @return the key |
| */ |
| public K key() { |
| return key; |
| } |
| |
| /** |
| * Returns the value of the entry. |
| * |
| * @return the value |
| */ |
| public V value() { |
| return value; |
| } |
| |
| /** |
| * Returns the timestamp of the event. |
| * |
| * @return the timestamp |
| */ |
| public Timestamp timestamp() { |
| return timestamp; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("key", key) |
| .add("value", value) |
| .add("timestamp", timestamp) |
| .toString(); |
| } |
| } |