Line data    Source code

       1             : #region Copyright
       2             : // // -----------------------------------------------------------------------
       3             : // // <copyright company="Chinchilla Software Limited">
       4             : // //   Copyright Chinchilla Software Limited. All rights reserved.
       5             : // // </copyright>
       6             : // // -----------------------------------------------------------------------
       7             : #endregion
       8             : 
       9             : using System.Collections.Generic;
      10             : using Microsoft.Azure.Documents;
      11             : using Microsoft.Azure.Documents.Client;
      12             : 
      13             : namespace Cqrs.Azure.DocumentDb
      14             : {
      15             :         /// <summary>
      16             :         /// A cache manager for DocumentDB clients, databases and collections that is global.
      17             :         /// </summary>
      18             :         public class GlobalAzureDocumentDbConnectionCache : IAzureDocumentDbConnectionCache
      19           1 :         {
      20             :                 /// <summary>
      21             :                 /// Gets the <see cref="IDictionary{Tstring,Tobject}">cache</see> used.
      22             :                 /// </summary>
      23             :                 protected static IDictionary<string, object> Cache { get; private set; }
      24             : 
      25             :                 static GlobalAzureDocumentDbConnectionCache()
      26             :                 {
      27             :                         Cache = new Dictionary<string, object>();
      28             :                 }
      29             : 
      30             :                 /// <summary>
      31             :                 /// Gets the <see cref="DocumentClient"/>.
      32             :                 /// </summary>
      33             :                 /// <param name="key">The name of the <see cref="DocumentClient"/> to get.</param>
      34             :                 /// <param name="client">If the <see cref="DocumentClient"/> is found, it is returned here; otherwise null is returned. This parameter is passed uninitialized.</param>
      35             :                 /// <returns>true if the  <see cref="DocumentClient"/> is found; otherwise, false.</returns>
      36           1 :                 public bool TryGetClient(string key, out DocumentClient client)
      37             :                 {
      38             :                         try
      39             :                         {
      40             :                                 object cacheResult;
      41             :                                 bool result = Cache.TryGetValue(key, out cacheResult);
      42             :                                 client = cacheResult as DocumentClient;
      43             :                                 return result && client != null;
      44             :                         }
      45             :                         catch
      46             :                         {
      47             :                         }
      48             :                         client = null;
      49             :                         return false;
      50             :                 }
      51             : 
      52             :                 /// <summary>
      53             :                 /// Sets the provided <paramref name="client"/>.
      54             :                 /// </summary>
      55             :                 /// <param name="key">The name of the <see cref="DocumentClient"/> to get.</param>
      56             :                 /// <param name="client">The <see cref="DocumentClient"/> to set.</param>
      57           1 :                 public void SetClient(string key, DocumentClient client)
      58             :                 {
      59             :                         Cache[key] = client;
      60             :                 }
      61             : 
      62             :                 /// <summary>
      63             :                 /// Gets the <see cref="Database"/>.
      64             :                 /// </summary>
      65             :                 /// <param name="key">The name of the <see cref="Database"/> to get.</param>
      66             :                 /// <param name="database">If the <see cref="Database"/> is found, it is returned here; otherwise null is returned. This parameter is passed uninitialized.</param>
      67             :                 /// <returns>true if the  <see cref="Database"/> is found; otherwise, false.</returns>
      68           1 :                 public bool TryGetDatabase(string key, out Database database)
      69             :                 {
      70             :                         try
      71             :                         {
      72             :                                 object cacheResult;
      73             :                                 bool result = Cache.TryGetValue(key, out cacheResult);
      74             :                                 database = cacheResult as Database;
      75             :                                 return result && database != null;
      76             :                         }
      77             :                         catch
      78             :                         {
      79             :                         }
      80             :                         database = null;
      81             :                         return false;
      82             :                 }
      83             : 
      84             :                 /// <summary>
      85             :                 /// Sets the provided <paramref name="database"/>.
      86             :                 /// </summary>
      87             :                 /// <param name="key">The name of the <see cref="Database"/> to get.</param>
      88             :                 /// <param name="database">The <see cref="Database"/> to set.</param>
      89           1 :                 public void SetDatabase(string key, Database database)
      90             :                 {
      91             :                         Cache[key] = database;
      92             :                 }
      93             : 
      94             :                 /// <summary>
      95             :                 /// Gets the <see cref="DocumentCollection"/>.
      96             :                 /// </summary>
      97             :                 /// <param name="key">The name of the <see cref="DocumentCollection"/> to get.</param>
      98             :                 /// <param name="documentCollection">If the <see cref="DocumentCollection"/> is found, it is returned here; otherwise null is returned. This parameter is passed uninitialized.</param>
      99             :                 /// <returns>true if the  <see cref="DocumentCollection"/> is found; otherwise, false.</returns>
     100           1 :                 public bool TryGetDocumentCollection(string key, out DocumentCollection documentCollection)
     101             :                 {
     102             :                         try
     103             :                         {
     104             :                                 object cacheResult;
     105             :                                 bool result = Cache.TryGetValue(key, out cacheResult);
     106             :                                 documentCollection = cacheResult as DocumentCollection;
     107             :                                 return result && documentCollection != null;
     108             :                         }
     109             :                         catch
     110             :                         {
     111             :                         }
     112             :                         documentCollection = null;
     113             :                         return false;
     114             :                 }
     115             : 
     116             :                 /// <summary>
     117             :                 /// Sets the provided <paramref name="documentCollection"/>.
     118             :                 /// </summary>
     119             :                 /// <param name="key">The name of the <see cref="DocumentCollection"/> to get.</param>
     120             :                 /// <param name="documentCollection">The <see cref="DocumentCollection"/> to set.</param>
     121           1 :                 public void SetDocumentCollection(string key, DocumentCollection documentCollection)
     122             :                 {
     123             :                         Cache[key] = documentCollection;
     124             :                 }
     125             :         }
     126             : }