Using a package would be recommended, and if that doesn't work, then the rule engine must not be on the same classpath as your own model objects when its executed.
On 4/10/06, Paschetta Elio <[EMAIL PROTECTED]> wrote: > > 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 > > -------------------------------------------------------------------- > > > > CONFIDENTIALITY NOTICE > > > > This message and its attachments are addressed solely to the persons > > above and may contain confidential information. If you have received > > the message in error, be informed that any use of the content hereof is > prohibited. > > Please return it immediately to the sender and delete the message. > > Should you have any questions, please contact us by replying to > > [EMAIL PROTECTED] > > > > Thank you > > > > www.telecomitalia.it > > > > -------------------------------------------------------------------- > > > -------------------------------------------------------------------- > > CONFIDENTIALITY NOTICE > > This message and its attachments are addressed solely to the persons above > and may contain confidential information. If you have received the message > in error, be informed that any use of the content hereof is prohibited. > Please return it immediately to the sender and delete the message. Should > you have any questions, please contact us by replying to > [EMAIL PROTECTED] > > Thank you > > www.telecomitalia.it > > -------------------------------------------------------------------- >
