[Jboss-svn-commits] JBL Code SVN: r4757 - labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples

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

Author: mar...@jb...
Date: 2006-06-13 17:41:51 -0400 (Tue, 13 Jun 2006)
New Revision: 4757

Added:
   labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/GolfingExample.java
   labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/golf.drl
Log:
JBRULES-309 Convert over Jess golfing example

Added: labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/GolfingExample.java
===================================================================
--- labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/GolfingExample.java	2006-06-13 18:02:30 UTC (rev 4756)
+++ labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/GolfingExample.java	2006-06-13 21:41:51 UTC (rev 4757)
@@ -0,0 +1,76 @@
+package org.drools.examples;
+
+import java.io.InputStreamReader;
+
+import org.drools.RuleBase;
+import org.drools.RuleBaseFactory;
+import org.drools.WorkingMemory;
+import org.drools.compiler.PackageBuilder;
+
+public class GolfingExample {
+
+    /**
+     * @param args
+     */
+    public static void main(final String[] args) throws Exception {
+
+        final PackageBuilder builder = new PackageBuilder();
+        builder.addPackageFromDrl( new InputStreamReader( GolfingExample.class.getResourceAsStream( "golf.drl" ) ) );
+
+        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
+        ruleBase.addPackage( builder.getPackage() );
+
+        final WorkingMemory workingMemory = ruleBase.newWorkingMemory();
+        
+        String[] names = new String[] { "Fred", "Joe", "Bob", "Tom" };
+        String[] colors = new String[] { "red", "blue", "plaid", "orange" };
+        int[] positions = new int[] { 1, 2, 3, 4 };
+        
+        for ( int n = 0; n < names.length; n++ ) {
+            for ( int c = 0; c < colors.length; c++ ) {
+                for ( int p = 0; p < positions.length; p++ ) {
+                    workingMemory.assertObject( new Golfer( names[n], colors[c], positions[p]) );
+                }                
+            }            
+        }
+
+        workingMemory.fireAllRules(); 
+    }
+
+
+    public static class Golfer {
+        private String name;
+        private String color;
+        private int position;
+        
+        public Golfer(String name,
+                      String color,
+                      int position) {
+            super();
+            this.name = name;
+            this.color = color;
+            this.position = position;
+        }
+        /**
+         * @return the color
+         */
+        public String getColor() {
+            return this.color;
+        }
+        /**
+         * @return the name
+         */
+        public String getName() {
+            return this.name;
+        }
+        
+        /**
+         * @return the name
+         */
+        public int getPosition() {
+            return this.position;
+        }        
+        
+    }
+}
+

Added: labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/golf.drl
===================================================================
--- labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/golf.drl	2006-06-13 18:02:30 UTC (rev 4756)
+++ labs/jbossrules/trunk/drools-examples/src/main/java/org/drools/examples/golf.drl	2006-06-13 21:41:51 UTC (rev 4757)
@@ -0,0 +1,55 @@
+package org.drools.examples;
+
+import org.drools.examples.GolfingExample.Golfer;
+
+rule "find solution"
+    when
+        // There is a golfer named Fred, 
+        // Whose positions is $p1
+        Golfer( $fredsName : name == "Fred", 
+                $fredsPosition : position, 
+                $fredsColor : color  )
+
+  		// The golfer to Fred's immediate right
+  		// is wearing blue pants
+        Golfer( $unknownsName : name != "Fred", 
+                $unknownsPosition :  position == ( new Integer( $fredsPosition.intValue() + 1 ) ),
+                $unknownsColor : color == "blue",
+                color != $fredsColor )
+
+        // Joe is in position 2  		          
+        Golfer( $joesName : name == "Joe", 
+                $joesPosition  : position == 2, 
+                position != $fredsPosition,
+                $joesColor : color != $fredsColor )
+
+ 		// Bob is wearing plaid pants        
+        Golfer( $bobsName : name == "Bob", 
+                name != $unknownsName,
+                $bobsPosition : position != $fredsPosition,
+                position != $unknownsPosition,              
+                position != $joesPosition,                                                  
+                $bobsColor : color == "plaid",
+                color != $fredsColor,
+                color != $joesColor,
+                color != $unknownsColor )
+ 		  		
+        // Tom isn't in position 1 or 4
+        // and isn't wearing orange	
+        Golfer( $tomsName : name == "Tom", 
+                $tomsPosition : position != 1,
+                position != 4,
+                position != $fredsPosition,
+                position != $joesPosition, 
+                position != $bobsPosition,                                
+                $tomsColor : color != "orange",
+                color != "blue",
+                color != $fredsColor,
+                color != $joesColor,
+                color != $bobsColor )                
+	then
+        System.out.println( "Fred " + $fredsPosition + " " + $fredsColor );
+        System.out.println( "Joe " + $joesPosition + " " + $joesColor );
+        System.out.println( "Bob " + $bobsPosition + " " + $bobsColor );
+        System.out.println( "Tom " + $tomsPosition + " " + $tomsColor );   
+end