protected override FilterExpression Transform(FilterPropertyExpression px)
{
if (px == _source)
{
return(_dest);
}
return(base.Transform(px));
}
protected override FilterExpressionCosting Transform(FilterPropertyExpression px)
{
if (px.PropertyName == "Exception" && px.IsBuiltIn)
{
return(new FilterExpressionCosting(px, 100));
}
if (px.PropertyName == "Level" && px.IsBuiltIn)
{
return(new FilterExpressionCosting(px, 5));
}
if (px.IsBuiltIn)
{
return(new FilterExpressionCosting(px, 1));
}
return(new FilterExpressionCosting(px, 10));
}
protected override Expression <CompiledFilterExpression> Transform(FilterPropertyExpression px)
{
if (px.IsBuiltIn)
{
if (px.PropertyName == "Level")
{
return(context => context.Level.ToString());
}
if (px.PropertyName == "Message")
{
return(context => NormalizeBaseDocumentProperty(context.RenderMessage(null)));
}
if (px.PropertyName == "Exception")
{
return(context => NormalizeBaseDocumentProperty(context.Exception == null ? null : context.Exception.ToString()));
}
if (px.PropertyName == "Timestamp")
{
return(context => context.Timestamp.ToString("o"));
}
if (px.PropertyName == "MessageTemplate")
{
return(context => NormalizeBaseDocumentProperty(context.MessageTemplate.Text));
}
if (px.PropertyName == "Properties")
{
return(context => context.Properties);
}
return(context => Undefined.Value);
}
var propertyName = px.PropertyName;
return(context => GetPropertyValue(context, propertyName));
}
protected override FilterExpression Transform(FilterPropertyExpression px)
{
return(px);
}
protected override FilterCallExpression Transform(FilterPropertyExpression px)
{
return(null);
}
protected abstract TResult Transform(FilterPropertyExpression px);
