| | | 1 | | /* |
| | | 2 | | * Copyright 2017 Stanislav Muhametsin. All rights Reserved. |
| | | 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 |
| | | 13 | | * implied. |
| | | 14 | | * |
| | | 15 | | * See the License for the specific language governing permissions and |
| | | 16 | | * limitations under the License. |
| | | 17 | | */ |
| | | 18 | | using CBAM.Abstractions; |
| | | 19 | | using CBAM.SQL; |
| | | 20 | | using CBAM.SQL.PostgreSQL; |
| | | 21 | | using CBAM.SQL.PostgreSQL.JSON; |
| | | 22 | | using Newtonsoft.Json.Linq; |
| | | 23 | | using ResourcePooling.Async.Abstractions; |
| | | 24 | | using System; |
| | | 25 | | using System.Collections.Generic; |
| | | 26 | | using System.Text; |
| | | 27 | | using System.Threading.Tasks; |
| | | 28 | | |
| | | 29 | | namespace CBAM.SQL.PostgreSQL.JSON |
| | | 30 | | { |
| | | 31 | | /// <summary> |
| | | 32 | | /// This class contains extension methods for types defined in other assemblies. |
| | | 33 | | /// </summary> |
| | | 34 | | public static class CBAMExtensions |
| | | 35 | | { |
| | | 36 | | /// <summary> |
| | | 37 | | /// This method will add support for <c>json</c> and <c>jsonb</c> PostgreSQL types for all connections instantiate |
| | | 38 | | /// </summary> |
| | | 39 | | /// <param name="pool">This <see cref="AsyncResourcePoolObservable{TResource}"/>.</param> |
| | | 40 | | /// <exception cref="NullReferenceException">If this <see cref="AsyncResourcePoolObservable{TResource}"/> is <c>nu |
| | | 41 | | /// <remarks> |
| | | 42 | | /// The "support" here means that the value returned by <see cref="UtilPack.TabularData.AsyncDataColumn.TryGetValu |
| | | 43 | | /// </remarks> |
| | | 44 | | public static void EnableJSONSupport( this AsyncResourcePoolObservable<PgSQLConnection> pool ) |
| | | 45 | | { |
| | 3 | 46 | | pool.AfterResourceCreationEvent += Pool_AfterConnectionCreationEvent; |
| | 3 | 47 | | } |
| | | 48 | | |
| | | 49 | | /// <summary> |
| | | 50 | | /// This method will remove support for <c>json</c> and <c>jsonb</c> PostgreSQL types for all connections instanti |
| | | 51 | | /// </summary> |
| | | 52 | | /// <param name="pool">This <see cref="AsyncResourcePoolObservable{TResource}"/>.</param> |
| | | 53 | | /// <exception cref="NullReferenceException">If this <see cref="AsyncResourcePoolObservable{TResource}"/> is <c>nu |
| | | 54 | | /// <remarks> |
| | | 55 | | /// The "support" here means that the value returned by <see cref="UtilPack.TabularData.AsyncDataColumn.TryGetValu |
| | | 56 | | /// If this <paramref name="pool"/> has cached connections, the support will not be removed from them. |
| | | 57 | | /// </remarks> |
| | | 58 | | public static void DisableJSONSupport( this AsyncResourcePoolObservable<PgSQLConnection> pool ) |
| | | 59 | | { |
| | 0 | 60 | | pool.AfterResourceCreationEvent -= Pool_AfterConnectionCreationEvent; |
| | 0 | 61 | | } |
| | | 62 | | |
| | | 63 | | private static void Pool_AfterConnectionCreationEvent( AfterAsyncResourceCreationEventArgs<PgSQLConnection> e ) |
| | | 64 | | { |
| | 3 | 65 | | e.AddAwaitable( e.Resource.AddJSONSupportAsync() ); |
| | 3 | 66 | | } |
| | | 67 | | |
| | | 68 | | /// <summary> |
| | | 69 | | /// This method will add support for <c>json</c> and <c>jsonb</c> PostgreSQL types for this specific <see cref="Pg |
| | | 70 | | /// </summary> |
| | | 71 | | /// <param name="connection">This <see cref="PgSQLConnection"/>.</param> |
| | | 72 | | /// <returns>A task which on completion has added support for <c>json</c> and <c>jsonb</c> PostgreSQL types for th |
| | | 73 | | /// <remarks> |
| | | 74 | | /// The "support" here means that the value returned by <see cref="UtilPack.TabularData.AsyncDataColumn.TryGetValu |
| | | 75 | | /// </remarks> |
| | | 76 | | public static async Task AddJSONSupportAsync( this PgSQLConnection connection ) |
| | | 77 | | { |
| | | 78 | | // TODO detect if we already added support... |
| | 3 | 79 | | await connection.TypeRegistry.AddTypeFunctionalitiesAsync( |
| | 3 | 80 | | ("json", typeof( JToken ), CreateJSONSupport), |
| | 3 | 81 | | ("jsonb", typeof( JToken ), CreateJSONBSupport) |
| | 3 | 82 | | ); |
| | | 83 | | |
| | 3 | 84 | | } |
| | | 85 | | |
| | | 86 | | private static TypeFunctionalityCreationResult CreateJSONSupport( PgSQLTypeDatabaseData param ) |
| | | 87 | | { |
| | 3 | 88 | | return new TypeFunctionalityCreationResult( DefaultPgSQLJSONTypeFunctionality.Instance, false ); |
| | | 89 | | } |
| | | 90 | | |
| | | 91 | | private static TypeFunctionalityCreationResult CreateJSONBSupport( PgSQLTypeDatabaseData param ) |
| | | 92 | | { |
| | 3 | 93 | | return new TypeFunctionalityCreationResult( DefaultPgSQLJSONTypeFunctionality.Instance, true ); |
| | | 94 | | } |
| | | 95 | | } |
| | | 96 | | } |