/// <summary>
/// Gets the current value of the parameter given (optional) compiled query arguments.
/// </summary>
internal object EvaluateParameter(object[] arguments)
{
if (_cachedDelegate == null)
{
if (_funcletizedExpression.NodeType
== ExpressionType.Constant)
{
return(((ConstantExpression)_funcletizedExpression).Value);
}
ConstantExpression ce;
if (TryEvaluatePath(_funcletizedExpression, out ce))
{
return(ce.Value);
}
}
try
{
if (_cachedDelegate == null)
{
// Get the Func<> type for the property evaluator
var delegateType = TypeSystem.GetDelegateType(_compiledQueryParameters.Select(p => p.Type), _type);
// Now compile delegate for the funcletized expression
_cachedDelegate = Lambda(delegateType, _funcletizedExpression, _compiledQueryParameters).Compile();
}
return(_cachedDelegate.DynamicInvoke(arguments));
}
catch (TargetInvocationException e)
{
throw e.InnerException;
}
}
internal object EvaluateParameter(object[] arguments)
{
if ((object)this._cachedDelegate == null)
{
if (this._funcletizedExpression.NodeType == ExpressionType.Constant)
{
return(((ConstantExpression)this._funcletizedExpression).Value);
}
ConstantExpression constantExpression;
if (QueryParameterExpression.TryEvaluatePath(this._funcletizedExpression, out constantExpression))
{
return(constantExpression.Value);
}
}
try
{
if ((object)this._cachedDelegate == null)
{
this._cachedDelegate = Expression.Lambda(TypeSystem.GetDelegateType(this._compiledQueryParameters.Select <ParameterExpression, Type>((Func <ParameterExpression, Type>)(p => p.Type)), this._type), this._funcletizedExpression, this._compiledQueryParameters).Compile();
}
return(this._cachedDelegate.DynamicInvoke(arguments));
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
}
