Jon Hall | d198b88 | 2016-05-18 16:44:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.store.primitives.impl; |
| 17 | |
| 18 | import com.google.common.base.MoreObjects; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.onosproject.cluster.NodeId; |
| 21 | |
| 22 | import java.util.Set; |
| 23 | |
| 24 | import static com.google.common.base.Preconditions.checkNotNull; |
| 25 | |
| 26 | /** |
| 27 | * Describes a request for update events in an EventuallyConsistentMap. |
| 28 | */ |
| 29 | final class UpdateRequest<K> { |
| 30 | |
| 31 | private final NodeId sender; |
| 32 | private final Set<K> keys; |
| 33 | |
| 34 | /** |
| 35 | * Creates a new update request. |
| 36 | * |
| 37 | * @param sender the sender's node ID |
| 38 | * @param keys keys requested |
| 39 | */ |
| 40 | public UpdateRequest(NodeId sender, Set<K> keys) { |
| 41 | this.sender = checkNotNull(sender); |
| 42 | this.keys = ImmutableSet.copyOf(keys); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Returns the sender's node ID. |
| 47 | * |
| 48 | * @return the sender's node ID |
| 49 | */ |
| 50 | public NodeId sender() { |
| 51 | return sender; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Returns the keys. |
| 56 | * |
| 57 | * @return the keys |
| 58 | */ |
| 59 | public Set<K> keys() { |
| 60 | return keys; |
| 61 | } |
| 62 | |
| 63 | @Override |
| 64 | public String toString() { |
| 65 | return MoreObjects.toStringHelper(getClass()) |
| 66 | .add("sender", sender) |
| 67 | .add("keys", keys()) |
| 68 | .toString(); |
| 69 | } |
| 70 | |
| 71 | @SuppressWarnings("unused") |
| 72 | private UpdateRequest() { |
| 73 | this.sender = null; |
| 74 | this.keys = null; |
| 75 | } |
| 76 | } |