//******************************************************************************************************// DataContextHubClient.cs - Gbtc//// Copyright © 2017, Grid Protection Alliance. All Rights Reserved.//// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See// the NOTICE file distributed with this work for additional information regarding copyright ownership.// The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this// file except in compliance with the License. You may obtain a copy of the License at://// http://opensource.org/licenses/MIT//// Unless agreed to in writing, the subject software distributed under the License is distributed on an// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the// License for the specific language governing permissions and limitations.//// Code Modification History:// ----------------------------------------------------------------------------------------------------// 04/26/2017 - J. Ritchie Carroll// Generated original version of source code.////****************************************************************************************************** using System;using System.Collections.Concurrent;using System.Collections.Generic;using System.Data;using Microsoft.AspNet.SignalR;using GSF.Web.Model; namespace GSF.Web.Hubs{ /// <summary> /// Represents a SignalR <see cref="Hub"/> client session instance of a data context. /// </summary> public class DataContextHubClient : HubClientBase { #region [ Members ] // Fields private readonly ConcurrentDictionary<Type, DataTable> m_primaryKeySessionCache; #endregion #region [ Constructors ] /// <summary> /// Creates a new <see cref="DataContextHubClient"/>. /// </summary> public DataContextHubClient() { m_primaryKeySessionCache = new ConcurrentDictionary<Type, DataTable>(); } #endregion #region [ Properties ] /// <summary> /// Gets primary key cache for current session. /// </summary> public ConcurrentDictionary<Type, DataTable> PrimaryKeySessionCache => m_primaryKeySessionCache; #endregion #region [ Methods ] /// <summary> /// Gets a new <see cref="Model.DataContext"/> instance for the current SignalR hub session, applying /// any existing primary key caches. /// </summary> public DataContext GetDataContext(string settingsCategory) { // Create a new data context using session based primary key cache return new DataContext(settingsCategory ?? "systemSettings", exceptionHandler: ex => LogException(ex)) { PrimaryKeySessionCache = m_primaryKeySessionCache }; } #endregion }}
//******************************************************************************************************
// DataContextHubClient.cs - Gbtc
//
// Copyright © 2017, Grid Protection Alliance. All Rights Reserved.
//
// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See
// the NOTICE file distributed with this work for additional information regarding copyright ownership.
// The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this
// file except in compliance with the License. You may obtain a copy of the License at:
//
// http://opensource.org/licenses/MIT
//
// Unless agreed to in writing, the subject software distributed under the License is distributed on an
// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the
// License for the specific language governing permissions and limitations.
//
// Code Modification History:
// ----------------------------------------------------------------------------------------------------
// 04/26/2017 - J. Ritchie Carroll
// Generated original version of source code.
//
//******************************************************************************************************
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using Microsoft.AspNet.SignalR;
using GSF.Web.Model;
namespace GSF.Web.Hubs
{
/// <summary>
/// Represents a SignalR <see cref="Hub"/> client session instance of a data context.
/// </summary>
public class DataContextHubClient : HubClientBase
{
#region [ Members ]
// Fields
private readonly ConcurrentDictionary<Type, DataTable> m_primaryKeySessionCache;
#endregion
#region [ Constructors ]
/// <summary>
/// Creates a new <see cref="DataContextHubClient"/>.
/// </summary>
public DataContextHubClient()
{
m_primaryKeySessionCache = new ConcurrentDictionary<Type, DataTable>();
}
#endregion
#region [ Properties ]
/// <summary>
/// Gets primary key cache for current session.
/// </summary>
public ConcurrentDictionary<Type, DataTable> PrimaryKeySessionCache => m_primaryKeySessionCache;
#endregion
#region [ Methods ]
/// <summary>
/// Gets a new <see cref="Model.DataContext"/> instance for the current SignalR hub session, applying
/// any existing primary key caches.
/// </summary>
public DataContext GetDataContext(string settingsCategory)
{
// Create a new data context using session based primary key cache
return new DataContext(settingsCategory ?? "systemSettings", exceptionHandler: ex => LogException(ex))
{
PrimaryKeySessionCache = m_primaryKeySessionCache
};
}
#endregion
}
}