public static Func <IDataContext, object> ConvertParameter(IBindingBuilder builder, Func <LambdaExpression> expression)
{
var hasClosure = expression.HasClosure();
if (hasClosure || builder.Contains(BindingBuilderConstants.NoCache))
{
var e = expression();
if (hasClosure)
{
e.TraceClosureWarn();
}
var converter = new LambdaExpressionToBindingExpressionConverter(e);
return(ConvertParameterInternal(builder, converter.ConvertParamterInternal(e)));
}
ParameterCacheValue value;
lock (CacheParameter)
{
if (!CacheParameter.TryGetValue(expression, out value))
{
var e = expression();
var converter = new LambdaExpressionToBindingExpressionConverter(e);
value = converter.ConvertParamterInternal(e);
CacheParameter[expression] = value;
}
}
return(ConvertParameterInternal(builder, value));
}
