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[Jboss-svn-commits] JBL Code SVN: r1970 - in trunk/labs/jbossrules/drools-core/src: main/java/org/drools/rule main/java/org/drools/spi test/java/org/drools test/java/org/drools/examples/manners test/java/org/drools/spi
Author: mar...@jb...
Date: 2006-01-02 00:24:21 -0500 (Mon, 02 Jan 2006)
New Revision: 1970
Added:
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/rule/EvaluatorFactory.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/AssertedObjectTransformer.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/BetaNodeConstraint.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ClassObjectTypeResolver.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Evaluator.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Field.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/FieldExtractor.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ObjectTypeResolver.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/PredicateEvaluator.java
trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ReturnValueEvaluator.java
trunk/labs/jbossrules/drools-core/src/test/java/org/drools/Cheese.java
trunk/labs/jbossrules/drools-core/src/test/java/org/drools/examples/manners/MannersTest.java
trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/ClassFieldExtractor.java
trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/MockField.java
Log:
-Refactored Constraint model to be simpler and more specific
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/rule/EvaluatorFactory.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/rule/EvaluatorFactory.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/rule/EvaluatorFactory.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,373 @@
+package org.drools.rule;
+
+import org.drools.spi.Evaluator;
+import org.drools.spi.BaseEvaluator;
+
+public class EvaluatorFactory {
+ private static final EvaluatorFactory INSTANCE = new EvaluatorFactory();
+
+ public static EvaluatorFactory getInstance() {
+ return EvaluatorFactory.INSTANCE;
+ }
+
+ private EvaluatorFactory() {
+
+ }
+
+ public Evaluator getEvaluator(int type,
+ int operator) {
+ switch ( type ) {
+ case Evaluator.OBJECT_TYPE :
+ return getObjectEvaluator( operator );
+ case Evaluator.SHORT_TYPE :
+ return getShortEvaluator( operator );
+ case Evaluator.INTEGER_TYPE :
+ return getIntegerEvaluator( operator );
+ default :
+ throw new RuntimeException( "Type '" + type + "' does not exist for BaseEvaluatorFactory" );
+ }
+ }
+
+ Evaluator getObjectEvaluator(int operator) {
+ switch ( operator ) {
+ case Evaluator.EQUAL :
+ return ObjectEqualEvaluator.getInstance();
+ case Evaluator.NOT_EQUAL :
+ return ObjectNotEqualEvaluator.getInstance();
+ default :
+ throw new RuntimeException( "Operator '" + operator + "' does not exist for ObjectEvaluator" );
+ }
+ }
+
+ static class ObjectEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ObjectEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ObjectEqualEvaluator() {
+ super( Evaluator.OBJECT_TYPE,
+ Evaluator.EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return object1.equals( object2 );
+ }
+ }
+
+ static class ObjectNotEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ObjectNotEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ObjectNotEqualEvaluator() {
+ super( Evaluator.OBJECT_TYPE,
+ Evaluator.NOT_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return !object1.equals( object2 );
+ }
+ }
+
+ Evaluator getShortEvaluator(int operator) {
+ switch ( operator ) {
+ case Evaluator.EQUAL :
+ return ShortEqualEvaluator.getInstance();
+ case Evaluator.NOT_EQUAL :
+ return ShortNotEqualEvaluator.getInstance();
+ case Evaluator.LESS :
+ return ShortLessEvaluator.getInstance();
+ case Evaluator.LESS_OR_EQUAL :
+ return ShortLessOrEqualEvaluator.getInstance();
+ case Evaluator.GREATER :
+ return ShortGreaterEvaluator.getInstance();
+ case Evaluator.GREATER_OR_EQUAL :
+ return ShortGreaterOrEqualEvaluator.getInstance();
+ default :
+ throw new RuntimeException( "Operator '" + operator + "' does not exist for BooleanEvaluator" );
+ }
+ }
+
+ static class ShortEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ShortEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ShortEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).shortValue() == ((Number) object2).shortValue();
+ }
+ }
+
+ static class ShortNotEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ShortNotEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ShortNotEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.NOT_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).shortValue() != ((Number) object2).shortValue();
+ }
+ }
+
+ static class ShortLessEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ShortLessEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ShortLessEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.LESS );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).shortValue() < ((Number) object2).shortValue();
+ }
+ }
+
+ static class ShortLessOrEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ShortLessOrEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ShortLessOrEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.LESS_OR_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).shortValue() <= ((Number) object2).shortValue();
+ }
+ }
+
+ static class ShortGreaterEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ShortGreaterEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ShortGreaterEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.GREATER );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).shortValue() > ((Number) object2).shortValue();
+ }
+ }
+
+ static class ShortGreaterOrEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new ShortGreaterOrEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private ShortGreaterOrEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.GREATER_OR_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).shortValue() >= ((Number) object2).shortValue();
+ }
+ }
+
+ Evaluator getIntegerEvaluator(int operator) {
+ switch ( operator ) {
+ case Evaluator.EQUAL :
+ return IntegerEqualEvaluator.getInstance();
+ case Evaluator.NOT_EQUAL :
+ return IntegerNotEqualEvaluator.getInstance();
+ case Evaluator.LESS :
+ return IntegerLessEvaluator.getInstance();
+ case Evaluator.LESS_OR_EQUAL :
+ return IntegerLessOrEqualEvaluator.getInstance();
+ case Evaluator.GREATER :
+ return IntegerGreaterEvaluator.getInstance();
+ case Evaluator.GREATER_OR_EQUAL :
+ return IntegerGreaterOrEqualEvaluator.getInstance();
+ default :
+ throw new RuntimeException( "Operator '" + operator + "' does not exist for BooleanEvaluator" );
+ }
+ }
+
+ static class IntegerEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new IntegerEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private IntegerEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).intValue() == ((Number) object2).intValue();
+ }
+ }
+
+ static class IntegerNotEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new IntegerNotEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private IntegerNotEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.NOT_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).intValue() != ((Number) object2).intValue();
+ }
+ }
+
+ static class IntegerLessEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new IntegerLessEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private IntegerLessEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.LESS );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).intValue() < ((Number) object2).intValue();
+ }
+ }
+
+ static class IntegerLessOrEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new IntegerLessOrEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private IntegerLessOrEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.LESS_OR_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).intValue() <= ((Number) object2).intValue();
+ }
+ }
+
+ static class IntegerGreaterEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new IntegerGreaterEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private IntegerGreaterEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.GREATER );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).intValue() > ((Number) object2).intValue();
+ }
+ }
+
+ static class IntegerGreaterOrEqualEvaluator extends BaseEvaluator {
+ private static Evaluator INSTANCE;
+
+ public static Evaluator getInstance() {
+ if ( INSTANCE == null ) {
+ INSTANCE = new IntegerGreaterOrEqualEvaluator();
+ }
+ return INSTANCE;
+ }
+
+ private IntegerGreaterOrEqualEvaluator() {
+ super( Evaluator.SHORT_TYPE,
+ Evaluator.GREATER_OR_EQUAL );
+ }
+
+ public boolean evaluate(Object object1,
+ Object object2) {
+ return ((Number) object1).intValue() >= ((Number) object2).intValue();
+ }
+ }
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/AssertedObjectTransformer.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/AssertedObjectTransformer.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/AssertedObjectTransformer.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,5 @@
+package org.drools.spi;
+
+public interface AssertedObjectTransformer {
+ Object transform(Object object);
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/BetaNodeConstraint.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/BetaNodeConstraint.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/BetaNodeConstraint.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,13 @@
+package org.drools.spi;
+
+import org.drools.FactHandle;
+import org.drools.rule.Declaration;
+
+public interface BetaNodeConstraint extends Constraint {
+ public boolean isAllowed(Object object,
+ FactHandle handle,
+ Tuple tuple);
+
+ Declaration[] getRequiredDeclarations();
+
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ClassObjectTypeResolver.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ClassObjectTypeResolver.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ClassObjectTypeResolver.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,28 @@
+package org.drools.spi;
+
+/**
+ *
+ * @author mproctor
+ *
+ */
+public class ClassObjectTypeResolver implements ObjectTypeResolver {
+ ModifieableClassObjectType objectType = new ModifieableClassObjectType( null );
+
+ public ObjectType resolve(Object object) {
+ this.objectType.setClass( object.getClass() );
+ return this.objectType;
+ }
+
+
+ static class ModifieableClassObjectType extends ClassObjectType {
+
+ public ModifieableClassObjectType(Class objectTypeClass) {
+ super( objectTypeClass );
+ }
+
+ public void setClass(Class clazz) {
+ this.objectTypeClass = clazz;
+ }
+
+ }
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Evaluator.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Evaluator.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Evaluator.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,32 @@
+package org.drools.spi;
+
+public interface Evaluator {
+ // Operators
+ public static final int EQUAL = 1;
+ public static final int NOT_EQUAL = 10;
+ public static final int LESS = 20;
+ public static final int LESS_OR_EQUAL = 30;
+ public static final int GREATER = 40;
+ public static final int GREATER_OR_EQUAL = 50;
+ public static final int IS_NULL = 60;
+ public static final int NOT_NULL = 70;
+
+ // Types
+ public static final int CHAR_TYPE = 100;
+ public static final int BYTE_TYPE = 110;
+ public static final int SHORT_TYPE = 130;
+ public static final int INTEGER_TYPE = 140;
+ public static final int LONG_TYPE = 150;
+ public static final int FLOAT_TYPE = 160;
+ public static final int DOUBLE_TYPE = 170;
+ public static final int DATE_TYPE = 180;
+ public static final int ARRAY_TYPE = 190;
+ public static final int OBJECT_TYPE = 195;
+
+ public int getType();
+
+ public int getOperator();
+
+ public boolean evaluate(Object object1,
+ Object object2);
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Field.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Field.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/Field.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,11 @@
+package org.drools.spi;
+
+public interface Field {
+
+ String getName();
+
+ Object getValue();
+
+ int getIndex();
+
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/FieldExtractor.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/FieldExtractor.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/FieldExtractor.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,8 @@
+package org.drools.spi;
+
+public interface FieldExtractor
+ extends
+ Extractor {
+ public int getIndex();
+
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ObjectTypeResolver.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ObjectTypeResolver.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ObjectTypeResolver.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,5 @@
+package org.drools.spi;
+
+public interface ObjectTypeResolver {
+ ObjectType resolve(Object object);
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/PredicateEvaluator.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/PredicateEvaluator.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/PredicateEvaluator.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,12 @@
+package org.drools.spi;
+
+import org.drools.FactHandle;
+import org.drools.rule.Declaration;
+
+public interface PredicateEvaluator {
+ public boolean evaluate(Tuple tuple,
+ Object object,
+ FactHandle handle,
+ Declaration declaration,
+ Declaration[] requiredDeclarations);
+}
Added: trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ReturnValueEvaluator.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ReturnValueEvaluator.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/main/java/org/drools/spi/ReturnValueEvaluator.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,8 @@
+package org.drools.spi;
+
+import org.drools.rule.Declaration;
+
+public interface ReturnValueEvaluator {
+ public Object evaluate(Tuple tuple,
+ Declaration[] requiredDeclarations);
+}
Added: trunk/labs/jbossrules/drools-core/src/test/java/org/drools/Cheese.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/test/java/org/drools/Cheese.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/test/java/org/drools/Cheese.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,53 @@
+/**
+ *
+ */
+package org.drools;
+
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+import java.beans.PropertyDescriptor;
+
+public class Cheese {
+ private String type;
+
+ private int price;
+
+ public Cheese(String type,
+ int price) {
+ this.type = type;
+ this.price = price;
+ }
+
+ public String getType() {
+ return this.type;
+ }
+
+ public int getPrice() {
+ return this.price;
+ }
+
+ public String toString() {
+ return "Cheese type='" + this.type + "' price='" + this.price + "'";
+ }
+
+ public boolean equals(Object object) {
+ if ( object == null || ! ( object instanceof Cheese) ) {
+ return false;
+ }
+
+ Cheese other = ( Cheese ) object;
+
+ return (this.type.equals( other.getType() ) && this.price == other.getPrice() );
+ }
+
+ public static int getIndex(Class clazz,
+ String name) throws IntrospectionException {
+ PropertyDescriptor[] descriptors = Introspector.getBeanInfo( clazz ).getPropertyDescriptors();
+ for ( int i = 0; i < descriptors.length; i++ ) {
+ if ( descriptors[i].getName().equals( name ) ) {
+ return i;
+ }
+ }
+ return -1;
+ }
+}
\ No newline at end of file
Added: trunk/labs/jbossrules/drools-core/src/test/java/org/drools/examples/manners/MannersTest.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/test/java/org/drools/examples/manners/MannersTest.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/test/java/org/drools/examples/manners/MannersTest.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,127 @@
+package org.drools.examples.manners;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import org.drools.rule.Column;
+import org.drools.rule.ColumnBinding;
+import org.drools.rule.LiteralConstraint;
+import org.drools.rule.Rule;
+import org.drools.rule.RuleSet;
+import org.drools.spi.ClassObjectType;
+import org.drools.spi.BaseEvaluator;
+import org.drools.spi.LiteralExpressionConstraint;
+
+public class MannersTest {
+ /** Number of guests at the dinner (default: 16). */
+ private int numGuests = 16;
+
+ /** Number of seats at the table (default: 16). */
+ private int numSeats = 16;
+
+ /** Minimum number of hobbies each guest should have (default: 2). */
+ private int minHobbies = 2;
+
+ /** Maximun number of hobbies each guest should have (default: 3). */
+ private int maxHobbies = 3;
+
+ private ClassObjectType contextType;
+ private ClassObjectType guestType;
+ private ClassObjectType seatingType;
+ private ClassObjectType lastSeatType;
+
+ protected void setUp() throws Exception {
+ contextType = new ClassObjectType( Context.class );
+ guestType = new ClassObjectType( Guest.class );
+ seatingType = new ClassObjectType( Seating.class );
+ lastSeatType = new ClassObjectType( LastSeat.class );
+
+ RuleSet ruleSet = new RuleSet( "Miss Manners" );
+ Rule assignFirstSeat = getAssignFirstSeatRule();
+
+ }
+
+ private Rule getAssignFirstSeatRule() {
+ Rule rule = new Rule( "assignFirstSeat" );
+
+ Column context = new Column( 0,
+ contextType,
+ "context" );
+
+// LiteralExpressionConstraint isCheddar = new LiteralExpressionConstraint() {
+//
+// public boolean isAllowed(Object object,
+// BaseEvaluator comparator) {
+// Context context = (Context) object;
+// return comparator.compare( context,
+// Context.START_UP );
+// }
+//
+// };
+
+ /*
+ * Creates a constraint with the given expression
+ */
+// LiteralConstraint constraint0 = new LiteralConstraint( isCheddar,
+// new ObjectConstraintComparator( BaseEvaluator.EQUAL ) );
+
+ // context.
+
+ return rule;
+ }
+
+ private InputStream generateData() {
+ final String LINE_SEPARATOR = System.getProperty( "line.separator" );
+
+ StringWriter writer = new StringWriter();
+
+ int maxMale = numGuests / 2;
+ int maxFemale = numGuests / 2;
+
+ int maleCount = 0;
+ int femaleCount = 0;
+
+ // init hobbies
+ List hobbyList = new ArrayList();
+ for ( int i = 1; i <= maxHobbies; i++ ) {
+ hobbyList.add( "h" + i );
+ }
+
+ Random rnd = new Random();
+ for ( int i = 1; i <= numGuests; i++ ) {
+ char sex = rnd.nextBoolean() ? 'm' : 'f';
+ if ( sex == 'm' && maleCount == maxMale ) {
+ sex = 'f';
+ }
+ if ( sex == 'f' && femaleCount == maxFemale ) {
+ sex = 'm';
+ }
+ if ( sex == 'm' ) {
+ maleCount++;
+ }
+ if ( sex == 'f' ) {
+ femaleCount++;
+ }
+
+ List guestHobbies = new ArrayList( hobbyList );
+
+ int numHobbies = minHobbies + rnd.nextInt( maxHobbies - minHobbies + 1 );
+ for ( int j = 0; j < numHobbies; j++ ) {
+ int hobbyIndex = rnd.nextInt( guestHobbies.size() );
+ String hobby = (String) guestHobbies.get( hobbyIndex );
+ writer.write( "(guest (name n" + i + ") (sex " + sex + ") (hobby " + hobby + "))" + LINE_SEPARATOR );
+ guestHobbies.remove( hobbyIndex );
+ }
+ }
+ writer.write( "(last_seat (seat " + numSeats + "))" + LINE_SEPARATOR );
+
+ writer.write( LINE_SEPARATOR );
+ writer.write( "(context (state start))" + LINE_SEPARATOR );
+
+ return new ByteArrayInputStream( writer.getBuffer().toString().getBytes() );
+ }
+}
Added: trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/ClassFieldExtractor.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/ClassFieldExtractor.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/ClassFieldExtractor.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,51 @@
+package org.drools.spi;
+
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+
+import org.drools.spi.FieldExtractor;
+
+/**
+ * Should be able to extract field values for a given index
+ *
+ */
+public class ClassFieldExtractor
+ implements
+ FieldExtractor {
+ private Class clazz;
+ private int index;
+
+ public ClassFieldExtractor(Class clazz,
+ int index) {
+ this.clazz = clazz;
+ this.index = index;
+ }
+
+ public int getIndex() {
+ return this.index;
+ }
+
+ public Object getValue(Object object) {
+ Object value = null;
+ try {
+ System.out.println( object );
+ value = Introspector.getBeanInfo( this.clazz ).getPropertyDescriptors()[this.index].getReadMethod().invoke( object,
+ null );
+ } catch ( Exception e ) {
+ throw new RuntimeException( e );
+ }
+ return value;
+ }
+
+ public Class getValueType() {
+ Class clazz = null;
+ try {
+ clazz = Introspector.getBeanInfo( this.clazz ).getPropertyDescriptors()[this.index].getPropertyType();
+ } catch ( IntrospectionException e ) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ return clazz;
+ }
+
+}
\ No newline at end of file
Added: trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/MockField.java
===================================================================
--- trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/MockField.java 2006-01-02 05:19:01 UTC (rev 1969)
+++ trunk/labs/jbossrules/drools-core/src/test/java/org/drools/spi/MockField.java 2006-01-02 05:24:21 UTC (rev 1970)
@@ -0,0 +1,32 @@
+package org.drools.spi;
+
+import org.drools.spi.Field;
+
+public final class MockField
+ implements
+ Field {
+
+ private final String name;
+ private final Object value;
+ private final int index;
+
+ public MockField(String name,
+ Object value,
+ int index) {
+ this.index = index;
+ this.value = value;
+ this.name = name;
+ }
+
+ public String getName() {
+ return this.name;
+ }
+
+ public Object getValue() {
+ return this.value;
+ }
+
+ public int getIndex() {
+ return this.index;
+ }
+}
\ No newline at end of file
|
