I forgot to say that I am using Drools 4.0.4 Len ________________________________ From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Carlsen, Len Sent: Wednesday, February 06, 2008 12:55 PM To: Rules Users List Subject: [rules-users] boolean == String? Hi, I have an expression where I am comparing a Boolean to a String which I would expect to fail but the expression always returns true. Is this expected behaviour? I modified the Drools HelloWorldExample and changed the status from an int to a boolean. import org.drools.examples.HelloWorldExample.Message; rule "Hello World" when m : Message( status == "hello", message : message ) then System.out.println( message ); end public static class Message { public static final boolean HELLO = false; public static final boolean GOODBYE = true; private String message; private Boolean status; public Message() {} public String getMessage() { return this.message; } public void setMessage(final String message) { this.message = message; } public boolean getStatus() { return this.status; } public void setStatus(final boolean status) { this.status = status; } } final Message message = new Message(); message.setMessage( "Hello World" ); message.setStatus( Message.HELLO ); final StatefulSession session = ruleBase.newStatefulSession(); session.insert( message ); session.fireAllRules(); Thanks very much, Len

I created JIRA: http://jira.jboss.org/jira/browse/JBRULES-1451 Len ________________________________ From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Edson Tirelli Sent: Wednesday, February 06, 2008 2:05 PM To: Rules Users List Subject: Re: [rules-users] boolean == String? ouch, nasty!! Can you please open a JIRA? Thanks, Edson 2008/2/6, Carlsen, Len <len.carlsen(a)ubc.ca&gt;: Hi, I have an expression where I am comparing a Boolean to a String which I would expect to fail but the expression always returns true. Is this expected behaviour? I modified the Drools HelloWorldExample and changed the status from an int to a boolean. import org.drools.examples.HelloWorldExample.Message; rule "Hello World" when m : Message( status == "hello", message : message ) then System.out.println( message ); end public static class Message { public static final boolean HELLO = false; public static final boolean GOODBYE = true; private String message; private Boolean status; public Message() {} public String getMessage() { return this.message; } public void setMessage(final String message) { this.message = message; } public boolean getStatus() { return this.status; } public void setStatus(final boolean status) { this.status = status; } } final Message message = new Message(); message.setMessage( "Hello World" ); message.setStatus( Message.HELLO ); final StatefulSession session = ruleBase.newStatefulSession(); session.insert( message ); session.fireAllRules(); Thanks very much, Len _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users -- Edson Tirelli JBoss Drools Core Development Office: +55 11 3529-6000 Mobile: +55 11 9287-5646 JBoss, a division of Red Hat @ www.jboss.com