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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System;
using System.Collections.Generic;
using System.ServiceModel.Channels;
using System.Xml;
public class XPathMessageQueryCollection : MessageQueryCollection
{
InverseQueryMatcher matcher;
public XPathMessageQueryCollection()
{
this.matcher = new InverseQueryMatcher(false);
}
public override IEnumerable<KeyValuePair<MessageQuery, TResult>> Evaluate<TResult>(Message message)
{
if (message == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
}
if (typeof(TResult) == typeof(XPathResult) ||
typeof(TResult) == typeof(string) ||
typeof(TResult) == typeof(bool) ||
typeof(TResult) == typeof(object))
{
return (IEnumerable<KeyValuePair<MessageQuery, TResult>>)(object)
this.matcher.Evaluate<TResult>(message, false);
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("TResult",
SR.GetString(SR.UnsupportedMessageQueryResultType, typeof(TResult)));
}
}
public override IEnumerable<KeyValuePair<MessageQuery, TResult>> Evaluate<TResult>(MessageBuffer buffer)
{
if (buffer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("buffer");
}
if (typeof(TResult) == typeof(XPathResult) ||
typeof(TResult) == typeof(string) ||
typeof(TResult) == typeof(bool) ||
typeof(TResult) == typeof(object))
{
return (IEnumerable<KeyValuePair<MessageQuery, TResult>>)(object)
this.matcher.Evaluate<TResult>(buffer);
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("TResult",
SR.GetString(SR.UnsupportedMessageQueryResultType, typeof(TResult)));
}
}
protected override void InsertItem(int index, MessageQuery item)
{
if (item == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("item");
}
if (!(item is XPathMessageQuery))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("item");
}
base.InsertItem(index, item);
XPathMessageQuery query = (XPathMessageQuery) item;
this.matcher.Add(query.Expression, query.Namespaces, query, false);
}
protected override void RemoveItem(int index)
{
this.matcher.Remove((XPathMessageQuery) this[index]);
base.RemoveItem(index);
}
protected override void SetItem(int index, MessageQuery item)
{
if (!(item is XPathMessageQuery))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("item");
}
this.matcher.Remove((XPathMessageQuery) this[index]);
XPathMessageQuery query = (XPathMessageQuery) item;
base.SetItem(index, item);
this.matcher.Add(query.Expression, query.Namespaces, query, false);
}
}
}
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