protected override void CacheMetadata(CodeActivityMetadata metadata)
{
BinaryExpressionHelper.OnGetArguments(metadata, this.Left, this.Right);
if (s_operationFunction == null)
{
ValidationError validationError;
if (!BinaryExpressionHelper.TryGenerateLinqDelegate(ExpressionType.Equal, out s_operationFunction, out validationError))
{
metadata.AddValidationError(validationError);
}
}
}
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
BinaryExpressionHelper.OnGetArguments(metadata, this.Left, this.Right);
if (this.checkedOperation)
{
EnsureOperationFunction(metadata, ref checkedOperationFunction, ExpressionType.MultiplyChecked);
}
else
{
EnsureOperationFunction(metadata, ref uncheckedOperationFunction, ExpressionType.Multiply);
}
}
private void EnsureOperationFunction(CodeActivityMetadata metadata,
ref Func <TLeft, TRight, TResult> operationFunction,
ExpressionType operatorType)
{
if (operationFunction == null)
{
if (!BinaryExpressionHelper.TryGenerateLinqDelegate(
operatorType,
out operationFunction,
out ValidationError validationError))
{
metadata.AddValidationError(validationError);
}
}
}