diff options
author | vnugent <public@vaughnnugent.com> | 2023-01-09 15:09:13 -0500 |
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committer | vnugent <public@vaughnnugent.com> | 2023-01-09 15:09:13 -0500 |
commit | a46c3bf452d287b50b2e7dd5a24f5995c9fd26f6 (patch) | |
tree | 3a978b2dd2887b5c0e25f595516594a647d8e880 /lib/VNLib.Plugins.Extensions.Data/src/Abstractions/IDataStore.cs | |
parent | 189c6714057bf45553847eaeb9ce97eb7272eb8c (diff) |
Restructure
Diffstat (limited to 'lib/VNLib.Plugins.Extensions.Data/src/Abstractions/IDataStore.cs')
-rw-r--r-- | lib/VNLib.Plugins.Extensions.Data/src/Abstractions/IDataStore.cs | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/lib/VNLib.Plugins.Extensions.Data/src/Abstractions/IDataStore.cs b/lib/VNLib.Plugins.Extensions.Data/src/Abstractions/IDataStore.cs new file mode 100644 index 0000000..4ab62bf --- /dev/null +++ b/lib/VNLib.Plugins.Extensions.Data/src/Abstractions/IDataStore.cs @@ -0,0 +1,123 @@ +/* +* Copyright (c) 2022 Vaughn Nugent +* +* Library: VNLib +* Package: VNLib.Plugins.Extensions.Data +* File: IDataStore.cs +* +* IDataStore.cs is part of VNLib.Plugins.Extensions.Data which is part of the larger +* VNLib collection of libraries and utilities. +* +* VNLib.Plugins.Extensions.Data is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published +* by the Free Software Foundation, either version 2 of the License, +* or (at your option) any later version. +* +* VNLib.Plugins.Extensions.Data is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with VNLib.Plugins.Extensions.Data. If not, see http://www.gnu.org/licenses/. +*/ + +using System; +using System.Threading.Tasks; +using System.Collections.Generic; + +using VNLib.Utils; + +namespace VNLib.Plugins.Extensions.Data.Abstractions +{ + /// <summary> + /// An abstraction that defines a Data-Store and common + /// operations that retrieve or manipulate records of data + /// </summary> + /// <typeparam name="T">The data-model type</typeparam> + public interface IDataStore<T> + { + /// <summary> + /// Gets the total number of records in the current store + /// </summary> + /// <returns>A task that resolves the number of records in the store</returns> + Task<long> GetCountAsync(); + /// <summary> + /// Gets the number of records that belong to the specified constraint + /// </summary> + /// <param name="specifier">A specifier to constrain the reults</param> + /// <returns>The number of records that belong to the specifier</returns> + Task<long> GetCountAsync(string specifier); + /// <summary> + /// Gets a record from its key + /// </summary> + /// <param name="key">The key identifying the unique record</param> + /// <returns>A promise that resolves the record identified by the specified key</returns> + Task<T?> GetSingleAsync(string key); + /// <summary> + /// Gets a record from its key + /// </summary> + /// <param name="specifiers">A variable length specifier arguemnt array for retreiving a single application</param> + /// <returns></returns> + Task<T?> GetSingleAsync(params string[] specifiers); + /// <summary> + /// Gets a record from the store with a partial model, intended to complete the model + /// </summary> + /// <param name="record">The partial model used to query the store</param> + /// <returns>A task the resolves the completed data-model</returns> + Task<T?> GetSingleAsync(T record); + /// <summary> + /// Fills a collection with enires retireved from the store using the specifer + /// </summary> + /// <param name="collection">The collection to add entires to</param> + /// <param name="specifier">A specifier argument to constrain results</param> + /// <param name="limit">The maximum number of elements to retrieve</param> + /// <returns>A Task the resolves to the number of items added to the collection</returns> + Task<ERRNO> GetCollectionAsync(ICollection<T> collection, string specifier, int limit); + /// <summary> + /// Fills a collection with enires retireved from the store using a variable length specifier + /// parameter + /// </summary> + /// <param name="collection">The collection to add entires to</param> + /// <param name="limit">The maximum number of elements to retrieve</param> + /// <param name="args"></param> + /// <returns>A Task the resolves to the number of items added to the collection</returns> + Task<ERRNO> GetCollectionAsync(ICollection<T> collection, int limit, params string[] args); + /// <summary> + /// Updates an entry in the store with the specified record + /// </summary> + /// <param name="record">The record to update</param> + /// <returns>A task the resolves an error code (should evaluate to false on failure, and true on success)</returns> + Task<ERRNO> UpdateAsync(T record); + /// <summary> + /// Creates a new entry in the store representing the specified record + /// </summary> + /// <param name="record">The record to add to the store</param> + /// <returns>A task the resolves an error code (should evaluate to false on failure, and true on success)</returns> + Task<ERRNO> CreateAsync(T record); + /// <summary> + /// Deletes one or more entrires from the store matching the specified record + /// </summary> + /// <param name="record">The record to remove from the store</param> + /// <returns>A task the resolves the number of records removed(should evaluate to false on failure, and deleted count on success)</returns> + Task<ERRNO> DeleteAsync(T record); + /// <summary> + /// Deletes one or more entires from the store matching the specified unique key + /// </summary> + /// <param name="key">The unique key that identifies the record</param> + /// <returns>A task the resolves the number of records removed(should evaluate to false on failure, and deleted count on success)</returns> + Task<ERRNO> DeleteAsync(string key); + /// <summary> + /// Deletes one or more entires from the store matching the supplied specifiers + /// </summary> + /// <param name="specifiers">A variable length array of specifiers used to delete one or more entires</param> + /// <returns>A task the resolves the number of records removed(should evaluate to false on failure, and deleted count on success)</returns> + Task<ERRNO> DeleteAsync(params string[] specifiers); + /// <summary> + /// Updates an entry in the store if it exists, or creates a new entry if one does not already exist + /// </summary> + /// <param name="record">The record to add to the store</param> + /// <returns>A task the resolves the result of the operation</returns> + Task<ERRNO> AddOrUpdateAsync(T record); + } +} |