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From Peter Klügl <peter.klu...@averbis.com>
Subject Re: Ruta: order while execution of actions in rule?
Date Wed, 26 Apr 2017 16:11:19 GMT
Hi,


just a quick comment...


The actions are executed from left to right.


I tried to reproduce it (ruta 2.6.0). There seems to be a bug affecting
the FLOAT variable.

When I replace the line

FLOAT a2,a1;

with

DOUBLE a2,a1;

it seems to work.


I need to investigate it further in order to narrow down the cause.


Best,


Peter


Am 26.04.2017 um 14:18 schrieb Wolf-Dietrich Materna:
> Hello,
> I have a problem with the execution order of actions in rules.
> I want to use Ruta to extract numeric values and convert them for different units.
> Example input & expected output:
> “10 %” => annotation “Percent” with value 10.0
> “10 ‰” => annotation “Percent” with value 1.0
> I wrote some simple rules for testing:
> DECLARE Annotation Percent(STRING class, FLOAT value, STRING unit );
> FLOAT a2,a1;
> // works as expected: value is 10.0 for input "10 %"
> (NUM{PARSE(a1)} "%") {-> CREATE (Percent, "value" = a1, "class" = "Percent", "unit"
= "%")};
> // Example 2: => returns wrong value 0.0. ASSIGN() is excecuted after CREATE() ?
> (NUM{PARSE(a1)} "‰") {-> ASSIGN(a1, a1/10), CREATE (Percent, "value" = a1, "class"
= "Percent", "unit" = "‰")};
> I tried Ruta 2.3.1 and 2.6.0, but the second rule doesn’t work as expected.
> The Percent annotation, which is created for “10 ‰”, has the value 10.0.
>
> It seems that the CREATE() action is executed before the ASSIGN() action.
> Is there any way to force Ruta to execute the ASSIGN() as first action?
> I expected that Ruta executes the actions from left to right, but in this case the order
is different.
> I already tried other variants of the second rule, but this didn’t help:
> // returns value = 0.0 in annotation
> NUM{PARSE(a1) -> ASSIGN(a2, a1/10.0)} Tmpp10 {-> CREATE (Percent, 1,2, "value"
= a2, "class" = "Percent", "unit" = "‰")};
> Thank you in advance for an explanation or hint to solve the issue.
>                 Wolf-Dietrich Materna
>
>
>


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