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//Copyright 2010 Microsoft Corporation
//
//Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
//You may obtain a copy of the License at
//
//http://www.apache.org/licenses/LICENSE-2.0
//
//Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and limitations under the License.
namespace System.Data.Services.Client
{
#region Namespaces.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using System.Diagnostics;
#endregion Namespaces.
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1010", Justification = "required for this feature")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1710", Justification = "required for this feature")]
public class QueryOperationResponse : OperationResponse, System.Collections.IEnumerable
{
#region Private fields.
private readonly DataServiceRequest query;
private readonly MaterializeAtom results;
#endregion Private fields.
internal QueryOperationResponse(Dictionary<string, string> headers, DataServiceRequest query, MaterializeAtom results)
: base(headers)
{
this.query = query;
this.results = results;
}
public DataServiceRequest Query
{
get { return this.query; }
}
public virtual long TotalCount
{
get
{
throw new NotSupportedException();
}
}
internal MaterializeAtom Results
{
get
{
if (null != this.Error)
{
throw System.Data.Services.Client.Error.InvalidOperation(Strings.Context_BatchExecuteError, this.Error);
}
return this.results;
}
}
public System.Collections.IEnumerator GetEnumerator()
{
return this.Results.GetEnumerator();
}
public DataServiceQueryContinuation GetContinuation()
{
return this.results.GetContinuation(null);
}
public DataServiceQueryContinuation GetContinuation(IEnumerable collection)
{
return this.results.GetContinuation(collection);
}
public DataServiceQueryContinuation<T> GetContinuation<T>(IEnumerable<T> collection)
{
return (DataServiceQueryContinuation<T>)this.results.GetContinuation(collection);
}
internal static QueryOperationResponse GetInstance(Type elementType, Dictionary<string, string> headers, DataServiceRequest query, MaterializeAtom results)
{
Type genericType = typeof(QueryOperationResponse<>).MakeGenericType(elementType);
#if !ASTORIA_LIGHT
return (QueryOperationResponse)Activator.CreateInstance(
genericType,
BindingFlags.CreateInstance | BindingFlags.NonPublic | BindingFlags.Instance,
null,
new object[] { headers, query, results },
System.Globalization.CultureInfo.InvariantCulture);
#else
System.Reflection.ConstructorInfo[] info = genericType.GetConstructors(BindingFlags.NonPublic | BindingFlags.Instance);
System.Diagnostics.Debug.Assert(1 == info.Length, "only expected 1 ctor");
return (QueryOperationResponse)Util.ConstructorInvoke(info[0],new object[] { headers, query, results });
#endif
}
}
}
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