/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.compiler.integrationtests;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import org.drools.compiler.CommonTestMethodBase;
import org.drools.compiler.lang.DrlDumper;
import org.drools.compiler.lang.api.DescrFactory;
import org.drools.compiler.lang.api.PackageDescrBuilder;
import org.drools.core.common.EventFactHandle;
import org.drools.core.common.InternalFactHandle;
import org.drools.core.io.impl.ByteArrayResource;
import org.junit.Test;
import org.kie.api.KieServices;
import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.Message;
import org.kie.api.definition.type.FactType;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.ClassObjectFilter;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.rule.FactHandle;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderError;
import org.kie.internal.builder.KnowledgeBuilderErrors;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import org.kie.internal.utils.KieHelper;
/**
* Test for declared bean Extension
*/
public class ExtendsTest extends CommonTestMethodBase {
public StatefulKnowledgeSession genSession(String source) {
return genSession(new String[] {source},0);
}
public StatefulKnowledgeSession genSession(String source, int numerrors) {
return genSession(new String[] {source},numerrors);
}
public StatefulKnowledgeSession genSession(String[] sources, int numerrors) {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
for (String source : sources)
kbuilder.add( ResourceFactory.newClassPathResource(source, getClass()), ResourceType.DRL );
KnowledgeBuilderErrors errors = kbuilder.getErrors();
if ( kbuilder.getErrors().size() > 0 ) {
for ( KnowledgeBuilderError error : kbuilder.getErrors() ) {
System.err.println( error );
}
}
assertEquals(numerrors, errors.size() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
return createKnowledgeSession(kbase);
}
@Test
public void testExtends() throws Exception {
//Test Base Fact Type
StatefulKnowledgeSession ksession = genSession("test_Extends.drl");
FactType person = ksession.getKieBase().getFactType("defaultpkg","Person");
FactType eqPair = ksession.getKieBase().getFactType("defaultpkg","EqualityPair");
Object p = person.newInstance();
assertNotNull(p);
ksession.insert("Populate");
ksession.fireAllRules();
// A Rule will generate 3 Persons, one with default constructor, two with field constructor
// and 3 Students, which extends Person. One with default, one with field constructor
assertEquals(6, ksession.getObjects(new ClassObjectFilter(person.getFactClass())).size());
assertEquals(1+4+1+4,ksession.getObjects(new ClassObjectFilter(eqPair.getFactClass())).size());
ksession.dispose();
}
@Test
public void testGeneratedMethods() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_Extends.drl");
FactType student = ksession.getKieBase().getFactType("defaultpkg","Student");
Constructor constructor = student.getFactClass().getConstructor(String.class,int.class,String.class);
assertNotNull(constructor);
Method equals = student.getFactClass().getMethod("equals",Object.class);
assertNotNull(equals);
Object s1 = constructor.newInstance("John",18,"Skool");
assertNotNull(s1);
assertEquals("Student( name=John, age=18, school=Skool )", s1.toString());
Object s2 = constructor.newInstance("John",25,"Skool");
assertNotNull(s2);
assertEquals("Student( name=John, age=25, school=Skool )", s2.toString());
assertEquals(s1.hashCode(),s2.hashCode());
assertTrue((Boolean) equals.invoke(s1,s2));
assertTrue(s1.equals(s2));
Object s3 = constructor.newInstance("Mark",18,"Skool");
assertNotNull(s3);
assertEquals("Student( name=Mark, age=18, school=Skool )", s3.toString());
assertNotSame(s1.hashCode(),s3.hashCode());
assertNotSame(s2.hashCode(),s3.hashCode());
assertFalse(s1.equals(s3));
assertFalse(s2.equals(s3));
Object s4 = constructor.newInstance("John",25,"AnotherSkool");
assertNotNull(s4);
assertEquals("Student( name=John, age=25, school=AnotherSkool )", s4.toString());
assertNotSame(s1.hashCode(),s4.hashCode());
assertNotSame(s2.hashCode(),s4.hashCode());
assertNotSame(s3.hashCode(),s4.hashCode());
assertFalse(s1.equals(s4));
assertFalse(s2.equals(s4));
assertFalse(s3.equals(s4));
ksession.dispose();
}
@Test
public void testDeepExt() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_Extends.drl");
FactType LTstudent = ksession.getKieBase().getFactType("defaultpkg","LongTermStudent");
Constructor constructor = LTstudent.getFactClass().getConstructor(String.class,int.class,String.class,String.class,int.class);
assertNotNull(constructor);
Object ls1 = constructor.newInstance("John",18,"Skool","C1245",4);
Object ls2 = constructor.newInstance("John",33,"Skool","C1421",4);
assertEquals(ls1,ls2);
ksession.dispose();
}
@Test
public void testIllegalExtendsLegacy() throws Exception {
//Test Base Fact Type
genSession("test_ExtLegacyIllegal.drl",7);
}
@Test
public void testExtendsLegacy() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_ExtLegacy.drl",0);
FactType leg = ksession.getKieBase().getFactType("org.drools.compiler","BetterLegacy");
assertNotNull(leg);
Object b = leg.newInstance();
assertEquals(3.3,leg.get(b,"doubleField"));
assertNull(leg.get(b,"objField"));
assertEquals(245,leg.get(b,"intField"));
assertEquals("XX",leg.get(b,"strField"));
assertEquals(true,leg.get(b,"prop"));
assertEquals("Hello",leg.get(b,"oneMoreField"));
System.out.println(b);
}
@Test
public void testExtendsAcrossFiles() throws Exception {
StatefulKnowledgeSession ksession = genSession(new String[] {"test_Ext1.drl","test_Ext2.drl","test_Ext3.drl","test_Ext4.drl"} ,0);
FactType person = ksession.getKieBase().getFactType("org.drools.compiler.ext.test","Person");
assertNotNull(person);
FactType student = ksession.getKieBase().getFactType("org.drools.compiler.ext.test","Student");
assertNotNull(student);
FactType worker = ksession.getKieBase().getFactType("org.drools.compiler.anothertest","Worker");
assertNotNull(worker);
FactType ltss = ksession.getKieBase().getFactType("defaultpkg","SubLTStudent");
assertNotNull(ltss);
Constructor ctor = worker.getFactClass().getConstructor(String.class,int.class,String.class, double.class, int.class);
assertNotNull(ctor);
Object w = ctor.newInstance("Adam",20,"Carpenter",150.0,40);
System.out.println(w);
assertEquals("Adam",worker.get(w,"name"));
ksession.fireAllRules();
}
@Test
public void testFieldInit() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_ExtFieldInit.drl");
FactType test = ksession.getKieBase().getFactType("org.drools.compiler", "MyBean3");
Object x = test.newInstance();
assertNotNull(x);
assertEquals(12,test.get(x,"fieldint"));
assertEquals("xyz",test.get(x,"fieldstr"));
assertEquals(3.23,test.get(x,"fielddbl"));
assertEquals(0,test.get(x,"field0"));
assertEquals(0.0f,test.get(x,"field1"));
assertEquals(1.2f,test.get(x,"fieldflt"));
short sht = 2;
assertEquals(sht,test.get(x,"fieldsht"));
assertEquals(0,test.get(x,"field2"));
byte byt = 1;
assertEquals(byt,test.get(x,"fieldbyt"));
assertEquals(true,test.get(x,"fieldbln"));
assertEquals('x',test.get(x,"fieldchr"));
assertEquals(9999L,test.get(x,"fieldlng"));
System.out.println(x);
}
@Test
public void testBoxedFieldInit() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_ExtFieldInit.drl");
FactType test = ksession.getKieBase().getFactType("org.drools.compiler","MyBoxBean");
Object x = test.newInstance();
assertNotNull(x);
assertEquals(12,test.get(x,"fieldint"));
assertEquals(3.23,test.get(x,"fielddbl"));
assertEquals(1.2f,test.get(x,"fieldflt"));
short sht = 2;
assertEquals(sht,test.get(x,"fieldsht"));
byte byt = 1;
assertEquals(byt,test.get(x,"fieldbyt"));
assertEquals(true,test.get(x,"fieldbln"));
assertEquals('x',test.get(x,"fieldchr"));
assertEquals(9999L,test.get(x,"fieldlng"));
System.out.println(x);
}
@Test
public void testExpressionFieldInit() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_ExtFieldInit.drl");
FactType test = ksession.getKieBase().getFactType("org.drools.compiler","MyBoxExpressionBean");
Object x = test.newInstance();
assertNotNull(x);
assertEquals("foobar",test.get(x,"f0"));
assertEquals(-32,test.get(x,"fieldint"));
assertEquals(4.0,test.get(x,"fielddbl"));
assertEquals(0.5f,test.get(x,"fieldflt"));
short sht = 6;
assertEquals(sht,test.get(x,"fieldsht"));
byte byt = 2;
assertEquals(byt,test.get(x,"fieldbyt"));
assertEquals(true,test.get(x,"fieldbln"));
assertEquals('x',test.get(x,"fieldchr"));
assertEquals(9999L,test.get(x,"fieldlng"));
System.out.println(x);
FactType test2 = ksession.getKieBase().getFactType("org.drools.compiler","MySimpleExpressionBean");
x = test2.newInstance();
assertNotNull(x);
assertEquals("foobar",test2.get(x,"f0"));
assertEquals(-32,test2.get(x,"fieldint"));
assertEquals(4.0,test2.get(x,"fielddbl"));
assertEquals(0.5f,test2.get(x,"fieldflt"));
sht = 6;
assertEquals(sht,test2.get(x,"fieldsht"));
byt = 2;
assertEquals(byt,test2.get(x,"fieldbyt"));
assertEquals(true,test2.get(x,"fieldbln"));
assertEquals('x',test2.get(x,"fieldchr"));
assertEquals(9999L,test2.get(x,"fieldlng"));
System.out.println(x);
}
@Test
public void testHierarchy() throws Exception {
StatefulKnowledgeSession ksession = genSession("test_ExtHierarchy.drl");
ksession.setGlobal("list",new LinkedList());
ksession.fireAllRules();
assertEquals(1, ((List) ksession.getGlobal("list")).size());
}
@Test
public void testExtendOverride() {
String drl = "package test.beans;\n" +
"\n" +
"import java.util.List;\n" +
"import java.util.ArrayList;\n" +
"\n" +
"global List ans;" +
"\n" +
"\n" +
"declare ArrayList\n" +
"end\n" +
"" +
"declare Bean extends ArrayList\n" +
" fld : int = 4 \n" +
" myField : String = \"xxx\" \n" +
"end\n" +
"\n" +
"declare Bean2 extends Bean\n" +
" moref : double\n" +
" myField : String\n" +
"end\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" Bean b = new Bean2();\n" +
" ans.add(b);" +
" System.out.println(b);\t\n" +
"end\n"
;
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ByteArrayResource(drl.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
List out = new ArrayList();
ksession.setGlobal("ans",out);
ksession.fireAllRules();
Object x = out.get(0);
FactType type = kbase.getFactType("test.beans","Bean2");
assertEquals(4, type.get( x, "fld") );
assertEquals("xxx", type.get( x, "myField") );
assertEquals(0.0, type.get( x, "moref") );
assertTrue( x instanceof ArrayList );
}
@Test
public void testRedefineDefaults() throws Exception {
//Test Base Fact Type
StatefulKnowledgeSession ksession = genSession("test_Extends.drl");
FactType person = ksession.getKieBase().getFactType("defaultpkg","Person");
FactType student = ksession.getKieBase().getFactType("defaultpkg","Student");
Object p = person.newInstance();
Object s = student.newInstance();
assertNotNull(p);
assertNotNull(s);
assertEquals( 99, person.get(p,"age") );
assertEquals( 18, person.get(s,"age") );
ksession.dispose();
}
@Test
public void testExtendFromOtherPackage() throws Exception {
String s1 = "package org.drools.compiler.test.pack1;\n" +
"\n" +
"declare Base\n" +
" id : int\n" +
"end\n" +
"\n" +
"declare Sub extends Base\n" +
" field : int\n" +
"end\n";
String s2 = "package org.drools.compiler.test.pack2;\n" +
"\n" +
"import org.drools.compiler.test.pack1.Base;\n" +
"import org.drools.compiler.test.pack1.Sub;\n" +
"\n" +
"declare Sub end\n" +
"\n" +
"declare SubChild extends Sub\n" +
" field2 : int\n" +
"end\n" +
"\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" insert( new SubChild( 1, 2, 3 ) );\n" +
"end\n" +
"\n" +
"rule \"Touch Base\"\n" +
"when\n" +
" $b : Base()\n" +
"then\n" +
" System.out.println( $b );\n" +
"end \n" +
"rule \"Touch Base 2\"\n" +
"when\n" +
" $c : Sub()\n" +
"then\n" +
" System.out.println( $c );\n" +
"end";
KieSession kSession = new KieHelper().addContent( s1, ResourceType.DRL )
.addContent( s2, ResourceType.DRL )
.build().newKieSession();
assertEquals( 3, kSession.fireAllRules() );
}
@Test
public void testInheritAnnotationsInOtherPackage() throws Exception {
String s1 = "package org.drools.compiler.test.pack1;\n" +
"global java.util.List list;" +
"\n" +
"declare Event\n" +
"@role(event)" +
" id : int\n" +
"end\n" +
"\n" +
"rule \"X\"\n" +
"when\n" +
" $s1 : Event()\n" +
"then\n" +
" System.out.println( $s1 );\n" +
" list.add( $s1.getId() );\n " +
"end";
String s2 = "package org.drools.compiler.test.pack2;\n" +
"\n" +
"import org.drools.compiler.test.pack1.Event;\n" +
"global java.util.List list;" +
"\n" +
"declare Event end\n" +
"\n" +
"declare SubEvent extends Event\n" +
"end\n" +
"\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" list.add( 0 );\n" +
" insert( new SubEvent( 1 ) );\n" +
" insert( new SubEvent( 2 ) );\n" +
"end\n" +
"\n" +
"rule \"Seq\"\n" +
"when\n" +
" $s1 : SubEvent( id == 1 )\n" +
" $s2 : SubEvent( id == 2, this after[0,10s] $s1 )\n" +
"then\n" +
" list.add( 3 );\n" +
" System.out.println( $s1 + \" after \" + $s1 );\n" +
"end \n" +
"\n" +
"rule \"Seq 2 \"\n" +
"when\n" +
" $s1 : Event( id == 1 )\n" +
" $s2 : Event( id == 2, this after[0,10s] $s1 )\n" +
"then\n" +
" list.add( 4 );\n" +
" System.out.println( $s1 + \" after II \" + $s1 );\n" +
"end";
KieSession kSession = new KieHelper().addContent( s1, ResourceType.DRL )
.addContent( s2, ResourceType.DRL )
.build().newKieSession();
List list = new ArrayList();
kSession.setGlobal( "list", list );
kSession.fireAllRules();
for ( Object o : kSession.getObjects() ) {
FactHandle h = kSession.getFactHandle( o );
assertTrue( h instanceof EventFactHandle );
}
System.out.println( list );
assertEquals( 5, list.size() );
assertTrue( list.contains( 0 ) );
assertTrue( list.contains( 1 ) );
assertTrue( list.contains( 2 ) );
assertTrue( list.contains( 3 ) );
assertTrue( list.contains( 4 ) );
}
@Test
public void testInheritFromClassWithDefaults() throws Exception {
// car is a java class with attributes
// brand (default ferrari)
// expensive (default true)
String s1 = "package org.drools.compiler;\n" +
"global java.util.List list;\n" +
"declare Car end\n" +
"\n" +
"declare MyCar extends Car \n" +
" miles : int\n" +
"end\n" +
"\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" MyCar c = new MyCar();\n" +
" c.setMiles( 100 );" +
" insert( c );\n" +
"end\n" +
"rule \"Match\"\n" +
"when\n" +
" MyCar( brand == \"ferrari\", expensive == true, $miles : miles ) " +
"then\n" +
" list.add( $miles );\n" +
"end";
KieSession kSession = new KieHelper().addContent( s1, ResourceType.DRL )
.build().newKieSession();
List list = new ArrayList();
kSession.setGlobal( "list", list );
kSession.fireAllRules();
assertEquals( 1, list.size() );
assertTrue( list.contains( 100 ) );
}
@Test
public void testExtendSelf() throws Exception {
String s1 = "package org.drools;\n" +
"global java.util.List list;\n" +
"\n" +
"declare Bean extends Bean \n" +
" foo : int @key\n" +
"end\n";
KnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( s1.getBytes() ), ResourceType.DRL );
assertTrue( kBuilder.hasErrors() );
}
@Test
public void testExtendCircular() throws Exception {
String s1 = "package org.drools;\n" +
"global java.util.List list;\n" +
"\n" +
"declare Bean1 extends Bean2 \n" +
" foo : int @key\n" +
"end\n" +
"" +
"declare Bean2 extends Bean3 \n" +
" foo : int @key\n" +
"end\n" +
"" +
"declare Bean3 extends Bean1 \n" +
" foo : int @key\n" +
"end\n";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( s1.getBytes() ), ResourceType.DRL );
assertTrue( kBuilder.hasErrors() );
System.out.println( kBuilder.getErrors() );
assertTrue( kBuilder.getErrors().toString().contains( "circular" ) );
}
@Test
public void testExtendsDump() {
PackageDescrBuilder pkgd = DescrFactory.newPackage();
pkgd.name( "org.test" )
.newDeclare().type().name( "Foo" )
.newField( "id" ).type( "int" ).end()
.end()
.newDeclare().type().name( "Bar" ).superType( "Foo" )
.newField( "val" ).type( "int" ).initialValue( "42" ).end()
.end();
String drl = new DrlDumper().dump( pkgd.getDescr() );
KnowledgeBase kb = loadKnowledgeBaseFromString( drl );
FactType bar = kb.getFactType( "org.test", "Bar" );
try {
Object x = bar.newInstance();
assertEquals( 42, bar.get( x, "val" ) );
bar.set( x, "id", 1 );
assertEquals( 1, bar.get( x, "id" ) );
} catch ( Exception e ) {
fail( e.getMessage() );
}
}
@Test
public void testMultipleInheritanceWithPosition1() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 //@position(0)\n" +
" field1 : int = 101 //@position(1)\n" +
" field2 : int = 102 //@position(0)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 //@position(0)\n" +
" mfield1 : int = 201 @position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 5, sw.getFields().size() );
assertEquals( "field0", sw.getFields().get(0).getName() );
assertEquals( "field1", sw.getFields().get(1).getName() );
assertEquals( "mfield1", sw.getFields().get(2).getName() );
assertEquals( "field2", sw.getFields().get(3).getName() );
assertEquals( "mfield0", sw.getFields().get(4).getName() );
}
@Test
public void testMultipleInheritanceWithPosition2() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 //@position(0)\n" +
" field1 : int = 101 //@position(1)\n" +
" field2 : int = 102 //@position(0)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 @position(0)\n" +
" mfield1 : int = 201 @position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 5, sw.getFields().size() );
assertEquals( "mfield0", sw.getFields().get(0).getName() );
assertEquals( "field0", sw.getFields().get(1).getName() );
assertEquals( "mfield1", sw.getFields().get(2).getName() );
assertEquals( "field1", sw.getFields().get(3).getName() );
assertEquals( "field2", sw.getFields().get(4).getName() );
}
@Test
public void testMultipleInheritanceWithPosition3() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 @position(0)\n" +
" field1 : int = 101 @position(1)\n" +
" field2 : int = 102 @position(0)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 //@position(0)\n" +
" mfield1 : int = 201 @position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 5, sw.getFields().size() );
assertEquals( "field0", sw.getFields().get(0).getName() );
assertEquals( "field2", sw.getFields().get(1).getName() );
assertEquals( "field1", sw.getFields().get(2).getName() );
assertEquals( "mfield1", sw.getFields().get(3).getName() );
assertEquals( "mfield0", sw.getFields().get(4).getName() );
}
@Test
public void testMultipleInheritanceWithPosition4() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 @position(1)\n" +
" field1 : int = 101 @position(0)\n" +
" field2 : int = 102 @position(0)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 @position(0)\n" +
" mfield1 : int = 201 @position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 5, sw.getFields().size() );
assertEquals( "field1", sw.getFields().get(0).getName() );
assertEquals( "field2", sw.getFields().get(1).getName() );
assertEquals( "mfield0", sw.getFields().get(2).getName() );
assertEquals( "field0", sw.getFields().get(3).getName() );
assertEquals( "mfield1", sw.getFields().get(4).getName() );
}
@Test
public void testMultipleInheritanceWithPosition5() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 @position(2)\n" +
" field1 : int = 101 @position(1)\n" +
" field2 : int = 102 @position(8)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 @position(7)\n" +
" mfield1 : int = 201 @position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 5, sw.getFields().size() );
assertEquals( "field1", sw.getFields().get(0).getName() );
assertEquals( "field0", sw.getFields().get(1).getName() );
assertEquals( "mfield1", sw.getFields().get(2).getName() );
assertEquals( "mfield0", sw.getFields().get(3).getName() );
assertEquals( "field2", sw.getFields().get(4).getName() );
}
@Test
public void testMultipleInheritanceWithPosition6() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 //@position(0)\n" +
" field1 : int = 101 //@position(1)\n" +
" field2 : int = 102 //@position(0)\n" +
"end\n" +
"\n" +
"declare trait SecPosTrait\n" +
"@propertyReactive\n" +
" field3 : int = 100 //@position(0)\n" +
" field1 : int = 101 //@position(1)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait, SecPosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 //@position(0)\n" +
" mfield1 : int = 201 //@position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 6, sw.getFields().size() );
assertEquals( "field0", sw.getFields().get(0).getName() );
assertEquals( "field1", sw.getFields().get(1).getName() );
assertEquals( "field2", sw.getFields().get(2).getName() );
assertEquals( "field3", sw.getFields().get(3).getName() );
assertEquals( "mfield0", sw.getFields().get(4).getName() );
assertEquals( "mfield1", sw.getFields().get(5).getName() );
}
@Test
public void testMultipleInheritanceWithPosition7() throws Exception {
// DROOLS-249
String drl =
"package org.drools.test\n" +
"declare trait PosTrait\n" +
"@propertyReactive\n" +
" field0 : int = 100 @position(0)\n" +
" field1 : int = 101 @position(1)\n" +
" field2 : int = 102 @position(0)\n" +
"end\n" +
"\n" +
"declare trait SecPosTrait\n" +
"@propertyReactive\n" +
" field3 : int = 100 @position(2)\n" +
" field1 : int = 101 //@position(1)\n" +
"end\n" +
"\n" +
"declare trait MultiInhPosTrait extends PosTrait, SecPosTrait\n" +
"@propertyReactive\n" +
" mfield0 : int = 200 @position(0)\n" +
" mfield1 : int = 201 @position(2)\n" +
"end";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
FactType sw = knowledgeBase.getFactType( "org.drools.test", "MultiInhPosTrait" );
assertEquals( 6, sw.getFields().size() );
assertEquals( "field0", sw.getFields().get(0).getName() );
assertEquals( "field2", sw.getFields().get(1).getName() );
assertEquals( "mfield0", sw.getFields().get(2).getName() );
assertEquals( "field1", sw.getFields().get(3).getName() );
assertEquals( "field3", sw.getFields().get(4).getName() );
assertEquals( "mfield1", sw.getFields().get(5).getName() );
}
public static interface A {}
public static interface B extends A {}
public static interface C extends B {}
public static class X implements C {
private int x = 1;
public int getX() { return x; }
}
@Test
public void testDeclareInheritance() throws Exception {
String s1 = "package org.drools;\n" +
"import org.drools.compiler.integrationtests.ExtendsTest.*;\n" +
"\n" +
"declare A \n" +
" @role( event )" +
" @typesafe( false )\n" +
"end\n" +
"" +
"declare C @role( event ) @typesafe( false ) end \n" +
"" +
"rule R \n" +
"when " +
" $x : C( this.x == 1 ) \n" +
"then\n" +
" System.out.println( $x ); \n" +
"end\n" +
"";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( s1.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
StatefulKnowledgeSession knowledgeSession = knowledgeBase.newStatefulKnowledgeSession();
FactHandle h = knowledgeSession.insert( new X() );
assertTrue( ( (InternalFactHandle) h ).isEvent() );
}
@Test
public void testDeclareExtendsJavaParent() {
String drl = "package org.drools.test; \n" +
"import org.drools.compiler.Person; \n" +
"declare Student extends Person end \n" +
"";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
}
@Test
public void testDeclareExtendsJavaParentOuterPackaga() {
String drl = "package org.drools.test; \n" +
"import org.drools.compiler.integrationtests.ExtendsTest.X; \n" +
"declare Student extends X end \n" +
"";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertFalse( kBuilder.hasErrors() );
}
@Test
public void testDeclareExtendsMissingJavaParent() {
String drl = "package org.drools.test; \n" +
"import org.drools.compiler.integrationtests.ExtendsTest.Y; \n" +
"declare Student extends Y end \n" +
"";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( );
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors() );
}
assertTrue( kBuilder.hasErrors() );
}
@Test
public void testDeclareExtendsWithFullyQualifiedName() {
String drl = "package org.drools.extends.test; \n" +
"" +
"declare org.drools.extends.test.Foo end \n" +
"declare org.drools.extends.test.Bar extends org.drools.extends.test.Foo end \n" +
"";
KieServices kieServices = KieServices.Factory.get();
KieFileSystem kfs = kieServices.newKieFileSystem();
kfs.write( kieServices.getResources().newByteArrayResource( drl.getBytes() )
.setSourcePath( "test.drl" )
.setResourceType( ResourceType.DRL ) );
KieBuilder kieBuilder = kieServices.newKieBuilder( kfs );
kieBuilder.buildAll();
assertFalse( kieBuilder.getResults().hasMessages( Message.Level.ERROR ) );
}
}