private void EnsureOperationFunction(CodeActivityMetadata metadata, ref Func <TOperand, TResult> operationFunction, ExpressionType operatorType)
{
ValidationError error;
if ((operationFunction == null) && !UnaryExpressionHelper.TryGenerateLinqDelegate <TOperand, TResult>(operatorType, out operationFunction, out error))
{
metadata.AddValidationError(error);
}
}
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
ValidationError error;
UnaryExpressionHelper.OnGetArguments <TOperand>(metadata, this.Operand);
if ((Not <TOperand, TResult> .operationFunction == null) && !UnaryExpressionHelper.TryGenerateLinqDelegate <TOperand, TResult>(ExpressionType.Not, out Not <TOperand, TResult> .operationFunction, out error))
{
metadata.AddValidationError(error);
}
}
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
UnaryExpressionHelper.OnGetArguments(metadata, this.Operand);
if (operationFunction == null)
{
if (!UnaryExpressionHelper.TryGenerateLinqDelegate(ExpressionType.Not, out operationFunction, out var validationError))
{
metadata.AddValidationError(validationError);
}
}
}
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
UnaryExpressionHelper.OnGetArguments <TOperand>(metadata, this.Operand);
if (this.checkedOperation)
{
this.EnsureOperationFunction(metadata, ref Cast <TOperand, TResult> .checkedOperationFunction, ExpressionType.ConvertChecked);
}
else
{
this.EnsureOperationFunction(metadata, ref Cast <TOperand, TResult> .uncheckedOperationFunction, ExpressionType.Convert);
}
}
