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//---------------------------------------------------------------------
// <copyright file="ObjectResult.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner Microsoft
// @backupowner Microsoft
//---------------------------------------------------------------------
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>();
}
}
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