| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.ignite.internal.metastorage.watch; |
| |
| import org.apache.ignite.internal.metastorage.client.WatchListener; |
| |
| /** |
| * Watch implementation with associated revision. |
| * Instance of this watch produced by {@link WatchAggregator}. |
| */ |
| public class AggregatedWatch { |
| /** Watch key criterion. */ |
| private final KeyCriterion keyCriterion; |
| |
| /** Aggregated watch listener. */ |
| private final WatchListener lsnr; |
| |
| /** Watch revision. */ |
| private final long revision; |
| |
| /** |
| * Creates the instance of aggregated watch. |
| * |
| * @param keyCriterion Aggregated key criterion. |
| * @param revision Aggregated revision. |
| * @param lsnr Aggregated listener. |
| */ |
| public AggregatedWatch(KeyCriterion keyCriterion, long revision, WatchListener lsnr) { |
| this.keyCriterion = keyCriterion; |
| this.revision = revision; |
| this.lsnr = lsnr; |
| } |
| |
| /** |
| * @return Key criterion. |
| */ |
| public KeyCriterion keyCriterion() { |
| return keyCriterion; |
| } |
| |
| /** |
| * @return Watch listener. |
| */ |
| public WatchListener listener() { |
| return lsnr; |
| } |
| |
| /** |
| * @return Revision. |
| */ |
| public long revision() { |
| return revision; |
| } |
| } |