84 lines
2.7 KiB
C#
84 lines
2.7 KiB
C#
|
//---------------------------------------------------------------------
|
||
|
// <copyright file="ObjectResult.cs" company="Microsoft">
|
||
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
||
|
// </copyright>
|
||
|
//
|
||
|
// @owner [....]
|
||
|
// @backupowner [....]
|
||
|
//---------------------------------------------------------------------
|
||
|
|
||
|
namespace System.Data.Objects
|
||
|
{
|
||
|
using System;
|
||
|
using System.Collections;
|
||
|
using System.ComponentModel;
|
||
|
|
||
|
/// <summary>
|
||
|
/// This class implements IEnumerable and IDisposable. Instance of this class
|
||
|
/// is returned from ObjectQuery.Execute method.
|
||
|
/// </summary>
|
||
|
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1710:IdentifiersShouldHaveCorrectSuffix")]
|
||
|
public abstract class ObjectResult : IEnumerable, IDisposable, IListSource
|
||
|
{
|
||
|
internal ObjectResult()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
IEnumerator IEnumerable.GetEnumerator()
|
||
|
{
|
||
|
return this.GetEnumeratorInternal();
|
||
|
}
|
||
|
|
||
|
// ----------------------
|
||
|
// IListSource Properties
|
||
|
// ----------------------
|
||
|
/// <summary>
|
||
|
/// IListSource.ContainsListCollection implementation. Always returns false.
|
||
|
/// </summary>
|
||
|
bool IListSource.ContainsListCollection
|
||
|
{
|
||
|
get
|
||
|
{
|
||
|
return false; // this means that the IList we return is the one which contains our actual data, it is not a collection
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// ----------------------
|
||
|
// IListSource method
|
||
|
// ----------------------
|
||
|
/// <summary>
|
||
|
/// IListSource.GetList implementation
|
||
|
/// </summary>
|
||
|
/// <returns>
|
||
|
/// IList interface over the data to bind
|
||
|
/// </returns>
|
||
|
IList IListSource.GetList()
|
||
|
{
|
||
|
return this.GetIListSourceListInternal();
|
||
|
}
|
||
|
|
||
|
public abstract Type ElementType
|
||
|
{
|
||
|
get;
|
||
|
}
|
||
|
|
||
|
public abstract void Dispose();
|
||
|
|
||
|
/// <summary>
|
||
|
/// Get the next result set of a stored procedure.
|
||
|
/// </summary>
|
||
|
/// <returns>
|
||
|
/// An ObjectResult that enumerates the values of the next result set. null, if there are no more, or if the
|
||
|
/// the ObjectResult is not the result of a stored procedure call.
|
||
|
/// </returns>
|
||
|
public ObjectResult<TElement> GetNextResult<TElement>()
|
||
|
{
|
||
|
return this.GetNextResultInternal<TElement>();
|
||
|
}
|
||
|
|
||
|
internal abstract IEnumerator GetEnumeratorInternal();
|
||
|
internal abstract IList GetIListSourceListInternal();
|
||
|
internal abstract ObjectResult<TElement> GetNextResultInternal<TElement>();
|
||
|
}
|
||
|
}
|