HaBookCms/HaBookCms.AzureStorage/AzureTable/TableClientSingleton.cs

using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Table;

namespace HaBookCms.AzureStorage.AzureTable
{
    public sealed class TableClientSingleton
    {
        private static string _connectionString;
        private CloudTableClient TableClient;

        private TableClientSingleton() { }

      

        public CloudTableClient GetTableClient()
        {
            if (TableClient != null)
            {
                return TableClient;
            }
            else
            {
                getInstance(_connectionString);
                return TableClient;
            }
        }

        public static TableClientSingleton getInstance(string  connectionString)
        {
            _connectionString = connectionString;
            return SingletonInstance.instance;
        }

        private static class SingletonInstance
        {
            public static TableClientSingleton instance = new TableClientSingleton()
            {
                TableClient = CloudStorageAccount.Parse(_connectionString).CreateCloudTableClient()
            };
        }
    }
}