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//
// FieldReferenceBatch.cs
//
// Authors: David Karlaš <david.karlas@xamarin.com>
//
// Copyright (c) 2014 Xamarin Inc. (http://www.xamarin.com)
//
// 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.
using Mono.Debugger.Soft;
using System.Collections.Generic;
namespace Mono.Debugging.Soft
{
public class FieldReferenceBatch
{
readonly object locker = new object ();
readonly object obj;
List<FieldInfoMirror> fields = new List<FieldInfoMirror> ();
object[] results;
public FieldReferenceBatch (object obj)
{
this.obj = obj;
}
public void Add (FieldInfoMirror fieldVal)
{
lock (locker) {
fields.Add (fieldVal);
}
}
public object GetValue (FieldInfoMirror field)
{
lock (locker) {
if (results == null || fields.Count != results.Length)
results = ((ObjectMirror)obj).GetValues (fields);
return results [fields.IndexOf (field)];
}
}
public void Invalidate ()
{
lock (locker) {
results = null;
}
}
}
}
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