| /* |
| * 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. |
| */ |
| |
| namespace Apache.Ignite.Linq |
| { |
| using System; |
| using Apache.Ignite.Core.Cache; |
| |
| /// <summary> |
| /// Dummy interface to provide update description for |
| /// <see |
| /// cref="CacheLinqExtensions.UpdateAll{TKey,TValue}" /> |
| /// </summary> |
| /// <typeparam name="TKey">Key type.</typeparam> |
| /// <typeparam name="TValue">Value type.</typeparam> |
| public interface IUpdateDescriptor<out TKey, out TValue> |
| { |
| /// <summary> |
| /// Specifies member update with constant |
| /// </summary> |
| /// <typeparam name="TProp">Member type</typeparam> |
| /// <param name="selector">Member selector</param> |
| /// <param name="value">New value</param> |
| /// <returns></returns> |
| IUpdateDescriptor<TKey, TValue> Set<TProp>(Func<TValue, TProp> selector, TProp value); |
| |
| /// <summary> |
| /// Specifies member update with expression |
| /// </summary> |
| /// <typeparam name="TProp">Member type</typeparam> |
| /// <param name="selector">Member selector</param> |
| /// <param name="valueBuilder">New value generator</param> |
| /// <returns></returns> |
| IUpdateDescriptor<TKey, TValue> Set<TProp>(Func<TValue, TProp> selector, |
| Func<ICacheEntry<TKey, TValue>, TProp> valueBuilder); |
| } |
| } |