Thanks.
The rule file has:
===========================
<?xml version="1.0"?>
<rule-set name="BasicTest"
xmlns="http://drools.org/rules";
xmlns:java="http://drools.org/semantics/java";
xmlns:xs="http://www.w3.org/2001/XMLSchema-instance";
xs:schemaLocation="http://drools.org/rules rules.xsd
http://drools.org/semantics/java java.xsd">
<import>java.lang.Object</import>
<import>StringFact</import>
<rule name="first">
<parameter identifier="str">
<class>StringFact</class>
</parameter>
<java:condition>str.equals("Hello")</java:condition>
<java:consequence>
str.setValue("Goodbye");
drools.modifyObject(str);
System.out.println("Rule 'first' executed");
</java:consequence>
</rule>
<rule name="second">
<parameter identifier="str">
<class>StringFact</class>
</parameter>
<java:condition>str.equals("Goodbye")</java:condition>
<java:consequence>
drools.retractObject(str);
System.out.println("Rule 'second' executed");
</java:consequence>
</rule>
</rule-set>
===========================
The StringFact.java file which defines my custom fact is:
==============================
public class StringFact {
private String value = "";
public StringFact(String str) { setValue(str); }
public String getValue() { return value; }
public void setValue(String value) { this.value = value; }
public boolean equals(String str) { return value.equals(str); }
}
================================
As you see there is no package. I tried also with a package but nothing changes.
Thank you.
Elio
-----Original Message-----
From: Michael Neale [mailto:[EMAIL PROTECTED]
Sent: lunedì 10 aprile 2006 9.18
To: [email protected]
Subject: Re: [drools-user] Cannot use custom facts in drools 2.5
can you paste important bits from your rule file?
On 4/7/06, Paschetta Elio <[EMAIL PROTECTED]> wrote:
>
> Hello all,
> I am new to drools.
> I have downloaded drools 2.5 and I can't make my example working. In
> particular I can't manage to define a custom object to use as a fact
> and I obtain during execution:
>
> A problem occured compiling the embedded code:
> drools/org/basictest_1144417731239/java/First_0.java(3)
> The import StringFact cannot be resolved
> drools/org/basictest_1144417731239/java/First_0.java(15)
> StringFact cannot be resolved to a type
>
> First is the name of the rule and StringFact is my class.
>
> Getting the example compile was very difficult because a lot of jars
> were missing from the distribution and I am not sure about I've
> inserted the correct versions got from Internet.
>
> I have not inserted my file into a package, but even if I do there are
> the same messages. I have compiled using Eclipse (I am new to it too),
> but if I compile with the command line (javac and then java) nothing
> changes.
>
> Is it possible everything is so difficult to get things working?
> Why there is not a step by step explanation of things?
>
> I am very frustrated and after a few days battle I am on the point of
> giving up and try some other tools.
>
> Please help me!
>
>
> Thank you
> Best regards.
>
> Elio Paschetta
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