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//
// QueryCastNode.cs
//
// Author:
// Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
//
// Copyright (c) 2010 Jérémie "Garuma" Laval
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if NET_4_0
using System;
using System.Threading;
using System.Threading.Tasks;
using System.Collections.Generic;
namespace System.Linq.Parallel.QueryNodes
{
internal class QueryCastNode<T> : QueryStreamNode<object, T>
{
public QueryCastNode (QueryBaseNode<T> source)
: base (source, false)
{
}
internal override IEnumerable<object> GetSequential ()
{
return Parent.GetSequential ().Cast<object> ();
}
internal override IList<IEnumerable<KeyValuePair<long, object>>> GetOrderedEnumerables (QueryOptions options)
{
return Parent.GetOrderedEnumerables (options)
.Select ((i) => i.Select ((e) => new KeyValuePair<long, object> (e.Key, (object)e.Value)))
.ToList ();
}
internal override IList<IEnumerable<object>> GetEnumerables (QueryOptions options)
{
return Parent.GetEnumerables (options)
.Select ((i) => i.Cast<object> ())
.ToList ();
}
}
}
#endif