// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.

// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;

using System.Collections.Generic;

using System.Threading;

using JetBrains.Annotations;

using Microsoft.Data.Entity.Utilities;

using Microsoft.Framework.Logging;

namespace Microsoft.Data.Entity.Query

{

public class QueryContext

{

private IDictionary<string, object> _parameterValues;

public QueryContext(

[NotNull] ILogger logger,

[NotNull] IQueryBuffer queryBuffer)

{

Check.NotNull(logger, nameof(logger));

Check.NotNull(queryBuffer, nameof(queryBuffer));

Logger = logger;

QueryBuffer = queryBuffer;

}

// TODO: Move this to compilation context

public virtual ILogger Logger { get; }

public virtual IQueryBuffer QueryBuffer { get; }

public virtual CancellationToken CancellationToken { get; set; }

public virtual IDictionary<string, object> ParameterValues

=> _parameterValues ?? (_parameterValues = new Dictionary<string, object>());

public virtual Type ContextType { get; [param: NotNull] set; }

}

}