[jboss-jira] [JBoss JIRA] Created: (JBRULES-695) Cannot reference a global in a query.
Cannot reference a global in a query.
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Key: JBRULES-695
URL: http://jira.jboss.com/jira/browse/JBRULES-695
Project: JBoss Rules
Issue Type: Bug
Security Level: Public (Everyone can see)
Affects Versions: 3.0.5, 3.0.4
Environment: Windows XP using JBoss Eclipse IDE with drools plugin.
Reporter: Jack Curtin
Assigned To: Mark Proctor
I have a query that references a global, and I get the following error during startup:
org.drools.rule.InvalidRulePackage: Unable to return Declaration for identifier
'gbl_deletecardnumber'
Relevant code from rule file follows:
import java.lang.String;
import com.m2syscorp.i24card.rulesengine.facts.CardHolder;
global String gbl_deletecardnumber
query "delete cardholder"
cardholderobj : CardHolder (cardnum == gbl_deletecardnumber)
end;
Relevant Java code follows:
public class CardHolder implements Serializable {
private String cardnum;
public String getCardnum() {
return cardnum;
}
public void setCardnum(String cardnum) {
this.cardnum = cardnum;
}
}
public void deleteCardHolderFromWorkingMemory(WorkingMemory workingMemory, String
sDeleteCardNumber) {
workingMemory.setGlobal("gbl_deletecardnumber", sDeleteCardNumber);
QueryResults results = workingMemory.getQueryResults("delete cardholder");
for (Iterator it = results.iterator(); it.hasNext(); ) {
QueryResult result = (QueryResult) it.next();
CardHolder chDelObj = (CardHolder) result.get("cardholderobj");
FactHandle fhCardHolder = workingMemory.getFactHandle(chDelObj);
workingMemory.retractObject(fhCardHolder);
break; // should only be one matching CardHolder object.
}
}
As you can see from the Java code, my goal is to be able to set the global variable
gbl_deletecardnumber with a card number string, call the query which will find the
CardHolder object with the matching card number, and then retract that object.
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