[Jboss-svn-commits] JBL Code SVN: r4321 - in labs/jbossrules/trunk/drools-examples/src/main: java/org/drools/examples rules/org/drools/examples

[<jbo...@li...>]

Author: mar...@jb...
Date: 2006-05-18 18:05:22 -0400 (Thu, 18 May 2006)
New Revision: 4321

Added:
   labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/HonestPoliticianExample.java
   labs/jbossrules/trunk/drools-examples/src/main/rules/org/drools/examples/HonestPolitician.drl
Log:
JBRULES-270 Honest Politician
-Thanks to Peter Lin for this logical assertion and not example

Added: labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/HonestPoliticianExample.java
===================================================================
--- labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/HonestPoliticianExample.java	2006-05-18 21:50:42 UTC (rev 4320)
+++ labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/HonestPoliticianExample.java	2006-05-18 22:05:22 UTC (rev 4321)
@@ -0,0 +1,73 @@
+package org.drools.examples;
+
+import java.io.InputStreamReader;
+
+import org.drools.FactHandle;
+import org.drools.RuleBase;
+import org.drools.RuleBaseFactory;
+import org.drools.WorkingMemory;
+import org.drools.audit.WorkingMemoryFileLogger;
+import org.drools.compiler.PackageBuilder;
+
+public class HonestPoliticianExample {
+
+    /**
+     * @param args
+     */
+    public static void main(final String[] args) throws Exception {
+
+        final PackageBuilder builder = new PackageBuilder();
+        builder.addPackageFromDrl( new InputStreamReader( HonestPoliticianExample.class.getResourceAsStream( "HonestPolitician.drl" ) ) );
+
+        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
+        ruleBase.addPackage( builder.getPackage() );
+
+        final WorkingMemory workingMemory = ruleBase.newWorkingMemory();
+
+        final WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( workingMemory );
+        logger.setFileName( "log/honest-politician" );
+
+        final Politician blair  = new Politician("blair", true);
+        final Politician bush  = new Politician("bush", true);
+        final Politician chirac  = new Politician("chirac", true);
+        final Politician schroder   = new Politician("schroder", true);
+        
+        workingMemory.assertObject( blair );
+        workingMemory.assertObject( bush );
+        workingMemory.assertObject( chirac );
+        workingMemory.assertObject( schroder );
+
+        workingMemory.fireAllRules();
+        
+        logger.writeToDisk();
+    }
+    
+    public static class Politician {
+    	private String name;
+    	
+    	private boolean honest;
+    	
+		public Politician(String name, boolean honest) {
+			super();
+			this.name = name;
+			this.honest = honest;
+		}
+		
+		public boolean isHonest() {
+			return honest;
+		}
+		
+		public void setHonest(boolean honest) {
+			this.honest = honest;
+		}
+
+		public String getName() {
+			return name;
+		}    			    
+    }
+
+    public static class Hope {
+    	
+    }
+    
+}

Added: labs/jbossrules/trunk/drools-examples/src/main/rules/org/drools/examples/HonestPolitician.drl
===================================================================
--- labs/jbossrules/trunk/drools-examples/src/main/rules/org/drools/examples/HonestPolitician.drl	2006-05-18 21:50:42 UTC (rev 4320)
+++ labs/jbossrules/trunk/drools-examples/src/main/rules/org/drools/examples/HonestPolitician.drl	2006-05-18 22:05:22 UTC (rev 4321)
@@ -0,0 +1,38 @@
+package org.drools.examples
+ 
+import org.drools.examples.HonestPolitician.Politician;
+import org.drools.examples.HonestPolitician.Hope;
+ 
+rule "We have an honest Politician"
+	when
+		exists( Politician( honest == true ) )
+	then
+		assertLogical( new Hope() );
+end
+
+rule "Hope Lives"
+    salience 10
+	when
+		exists( Hope() )
+	then
+		System.out.println("Hurrah!!! Democracy Lives");
+end
+
+rule "Hope is Dead"
+	when
+		not( Hope() )
+	then
+		System.out.println( "We are all Doomed!!! Democracy is Dead" );
+end
+
+rule "Currupt the Honest"
+   salience 5
+	when
+		politician : Politician( honest == true )	
+		exists( Hope() )
+	then
+	    System.out.println( "I'm an evil corporation and I have corrupted " + politician.getName() );
+		politician.setHonest( false );
+		modify( politician );
+end
+