package org.drools.compiler.integrationtests;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import junit.framework.Assert;
import org.drools.compiler.Cell;
import org.drools.compiler.Cheese;
import org.drools.compiler.CommonTestMethodBase;
import org.drools.compiler.FactA;
import org.drools.core.FactHandle;
import org.drools.compiler.Father;
import org.drools.compiler.Foo;
import org.drools.compiler.Message;
import org.drools.compiler.Neighbor;
import org.drools.compiler.Person;
import org.drools.compiler.PersonInterface;
import org.drools.compiler.Pet;
import org.drools.core.RuleBase;
import org.drools.core.StatefulSession;
import org.drools.compiler.TotalHolder;
import org.drools.core.WorkingMemory;
import org.drools.core.common.DefaultAgenda;
import org.drools.core.common.InternalWorkingMemoryActions;
import org.drools.core.common.RuleFlowGroupImpl;
import org.drools.compiler.compiler.PackageBuilder;
import org.drools.core.event.ActivationCancelledEvent;
import org.drools.core.event.ActivationCreatedEvent;
import org.drools.core.event.AgendaEventListener;
import org.drools.core.event.DefaultAgendaEventListener;
import org.drools.core.rule.Package;
import org.drools.core.spi.Activation;
import org.drools.core.spi.ActivationGroup;
import org.drools.core.spi.AgendaGroup;
import org.junit.Ignore;
import org.junit.Test;
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.definition.KnowledgePackage;
import org.kie.internal.io.ResourceFactory;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import org.kie.api.io.ResourceType;
public class ExecutionFlowControlTest extends CommonTestMethodBase {
@Test
public void testSalienceIntegerAndDepthCrs() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_salienceIntegerRule.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
final PersonInterface person = new Person( "Edson", "cheese" );
workingMemory.insert( person );
workingMemory.fireAllRules();
assertEquals( "Three rules should have been fired", 3, list.size() );
assertEquals( "Rule 4 should have been fired first", "Rule 4",
list.get( 0 ) );
assertEquals( "Rule 2 should have been fired second", "Rule 2",
list.get( 1 ) );
assertEquals( "Rule 3 should have been fired third", "Rule 3",
list.get( 2 ) );
}
@Test
public void testSalienceExpression() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_salienceExpressionRule.drl" ) ) );
if ( builder.hasErrors() ) {
fail( builder.getErrors().toString() );
}
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
final PersonInterface person10 = new Person( "bob", "cheese", 10 );
workingMemory.insert( person10 );
final PersonInterface person20 = new Person( "mic", "cheese", 20 );
workingMemory.insert( person20 );
workingMemory.fireAllRules();
assertEquals( "Two rules should have been fired", 2, list.size() );
assertEquals( "Rule 3 should have been fired first", "Rule 3",
list.get( 0 ) );
assertEquals( "Rule 2 should have been fired second", "Rule 2",
list.get( 1 ) );
}
@Test
public void testSalienceExpressionWithOr() throws Exception {
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
String text = "package org.kie.test\n"
+ "global java.util.List list\n"
+ "import " + FactA.class.getCanonicalName() + "\n"
+ "import " + Foo.class.getCanonicalName() + "\n"
+ "import " + Pet.class.getCanonicalName() + "\n"
+ "rule r1 salience (f1.field2)\n"
+ "when\n"
+ " foo: Foo()\n"
+ " ( Pet() and f1 : FactA( field1 == 'f1') ) or \n"
+ " f1 : FactA(field1 == 'f2') \n"
+ "then\n"
+ " list.add( f1 );\n"
+ " foo.setId( 'xxx' );\n"
+ "end\n" + "\n";
kbuilder.add( ResourceFactory.newByteArrayResource( text.getBytes() ), ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.insert ( new Foo(null, null) );
ksession.insert ( new Pet(null) );
FactA fact1 = new FactA();
fact1.setField1( "f1" );
fact1.setField2( 10 );
FactA fact2 = new FactA();
fact2.setField1( "f1" );
fact2.setField2( 30 );
FactA fact3 = new FactA();
fact3.setField1( "f2" );
fact3.setField2( 20 );
ksession.insert( fact1 );
ksession.insert( fact2 );
ksession.insert( fact3 );
ksession.fireAllRules();
assertEquals( 3, list.size() );
assertEquals( fact2, list.get( 0 ) );
assertEquals( fact3, list.get( 1 ) );
assertEquals( fact1, list.get( 2 ) );
}
@Test
public void testSalienceMinInteger() throws Exception {
final PackageBuilder builder = new PackageBuilder();
String text = "package org.kie.test\n"
+ "global java.util.List list\n"
+ "rule a\n"
+ "when\n"
+ "then\n"
+ " list.add( \"a\" );\n" + "end\n" + "\n"
+ "rule b\n"
+ " salience ( Integer.MIN_VALUE )\n" + "when\n"
+ "then\n"
+ " list.add( \"b\" );\n" + "end\n" + "\n"
+ "rule c\n"
+ "when\n"
+ "then\n"
+ " list.add( \"c\" );\n"
+ "end\n";
builder.addPackageFromDrl( new StringReader( text ) );
if ( builder.hasErrors() ) {
fail( builder.getErrors().toString() );
}
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
workingMemory.fireAllRules();
assertEquals( "b", list.get( 2 ) );
}
@Test
public void testEnabledExpressionWithOr() throws Exception {
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
String text = "package org.kie.test\n"
+ "global java.util.List list\n"
+ "import " + FactA.class.getCanonicalName() + "\n"
+ "import " + Foo.class.getCanonicalName() + "\n"
+ "import " + Pet.class.getCanonicalName() + "\n"
+ "rule r1 salience(f1.field2) enabled(f1.field2 >= 20)\n"
+ "when\n"
+ " foo: Foo()\n"
+ " ( Pet() and f1 : FactA( field1 == 'f1') ) or \n"
+ " f1 : FactA(field1 == 'f2') \n"
+ "then\n"
+ " list.add( f1 );\n"
+ " foo.setId( 'xxx' );\n"
+ "end\n" + "\n";
kbuilder.add( ResourceFactory.newByteArrayResource( text.getBytes() ), ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.insert ( new Foo(null, null) );
ksession.insert ( new Pet(null) );
FactA fact1 = new FactA();
fact1.setField1( "f1" );
fact1.setField2( 10 );
FactA fact2 = new FactA();
fact2.setField1( "f1" );
fact2.setField2( 30 );
FactA fact3 = new FactA();
fact3.setField1( "f2" );
fact3.setField2( 20 );
ksession.insert( fact1 );
ksession.insert( fact2 );
ksession.insert( fact3 );
ksession.fireAllRules();
assertEquals( 2, list.size() );
assertEquals( fact2, list.get( 0 ) );
assertEquals( fact3, list.get( 1 ) );
}
@Test
public void testNoLoop() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass()
.getResourceAsStream( "no-loop.drl" ) ) );
if ( builder.hasErrors() ) {
fail( builder.getErrors().toString() );
}
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
final Cheese brie = new Cheese( "brie", 12 );
workingMemory.insert( brie );
workingMemory.fireAllRules();
assertEquals( "Should not loop and thus size should be 1", 1,
list.size() );
}
@Test
public void testNoLoopWithModify() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "no-loop_with_modify.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
final Cheese brie = new Cheese( "brie", 12 );
workingMemory.insert( brie );
workingMemory.fireAllRules();
assertEquals( "Should not loop and thus size should be 1", 1,
list.size() );
assertEquals( 50, brie.getPrice() );
}
@Test
public void testLockOnActive() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_LockOnActive.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
// AgendaGroup "group1" is not active, so should receive activation
final Cheese brie12 = new Cheese( "brie", 12 );
workingMemory.insert( brie12 );
DefaultAgenda agenda = (DefaultAgenda) workingMemory.getAgenda();
final AgendaGroup group1 = agenda.getAgendaGroup( "group1" );
assertEquals( 1, group1.size() );
workingMemory.setFocus( "group1" );
// AgendaqGroup "group1" is now active, so should not receive
// activations
final Cheese brie10 = new Cheese( "brie", 10 );
workingMemory.insert( brie10 );
assertEquals( 1, group1.size() );
final Cheese cheddar20 = new Cheese( "cheddar", 20 );
workingMemory.insert( cheddar20 );
final AgendaGroup group2 = agenda.getAgendaGroup( "group1" );
assertEquals( 1, group2.size() );
final RuleFlowGroupImpl rfg = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "ruleflow2" );
rfg.setActive( true );
final Cheese cheddar17 = new Cheese( "cheddar", 17 );
workingMemory.insert( cheddar17 );
assertEquals( 1, group2.size() );
}
@Test
public void testLockOnActiveForMain() {
String str = "";
str += "package org.kie \n";
str += "global java.util.List list \n";
str += "rule rule1 \n";
str += " lock-on-active true \n";
str += "when \n";
str += " $str : String() \n";
str += "then \n";
str += " list.add( $str ); \n";
str += "end \n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
assertFalse( kbuilder.hasErrors() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = createKnowledgeSession( kbase );
List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.insert( "hello1" );
ksession.insert( "hello2" );
ksession.insert( "hello3" );
ksession.fireAllRules();
assertEquals( 3, list.size() );
ksession.insert( "hello4" );
ksession.insert( "hello5" );
ksession.insert( "hello6" );
ksession.fireAllRules();
assertEquals( 6, list.size() );
}
@Test
public void testLockOnActiveForMainWithHalt() {
String str = "";
str += "package org.kie \n";
str += "global java.util.List list \n";
str += "rule rule1 \n";
str += " lock-on-active true \n";
str += "when \n";
str += " $str : String() \n";
str += "then \n";
str += " list.add( $str ); \n";
str += " if ( list.size() == 2 ) {\n" + " drools.halt();\n"
+ " }";
str += "end \n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
assertFalse( kbuilder.getErrors().toString(), kbuilder.hasErrors() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = createKnowledgeSession( kbase );
List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.insert( "hello1" );
ksession.insert( "hello2" );
ksession.insert( "hello3" );
ksession.fireAllRules();
assertEquals( 2, list.size() );
// because we have halted, the next 3 will be ignored, but it will still
// fire the remaing 3rd activation from previous asserts
ksession.insert( "hello4" );
ksession.insert( "hello5" );
ksession.insert( "hello6" );
ksession.fireAllRules();
assertEquals( 3, list.size() );
}
@Test
public void testLockOnActiveWithModify() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_LockOnActiveWithUpdate.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory wm = ruleBase.newStatefulSession();
final List list = new ArrayList();
wm.setGlobal( "list", list );
final Cheese brie = new Cheese( "brie", 13 );
final Person bob = new Person( "bob" );
bob.setCheese( brie );
final Person mic = new Person( "mic" );
mic.setCheese( brie );
final Person mark = new Person( "mark" );
mark.setCheese( brie );
final FactHandle brieHandle = wm.insert( brie );
wm.insert( bob );
wm.insert( mic );
wm.insert( mark );
final DefaultAgenda agenda = (DefaultAgenda) wm.getAgenda();
final AgendaGroup group1 = agenda.getAgendaGroup( "group1" );
agenda.setFocus( group1 );
assertEquals( 3, group1.size() );
agenda.fireNextItem( null, 0, 0 );
assertEquals( 2, group1.size() );
wm.update( brieHandle, brie );
assertEquals( 2, group1.size() );
AgendaGroup group2 = agenda.getAgendaGroup( "group2" );
agenda.setFocus( group2 );
RuleFlowGroupImpl rfg = (RuleFlowGroupImpl) ((DefaultAgenda) wm.getAgenda()).getRuleFlowGroup( "ruleflow2" );
assertEquals( 3, rfg.size() );
agenda.activateRuleFlowGroup( "ruleflow2" );
agenda.fireNextItem( null, 0, 0 );
assertEquals( 2, rfg.size() );
wm.update( brieHandle, brie );
assertEquals( 2, group2.size() );
}
@Test
public void testLockOnActiveWithModify2() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_LockOnActiveWithModify.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final StatefulSession session = ruleBase.newStatefulSession();
// WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( session
// );
// logger.setFileName( "conway" );
// populating working memory
final int size = 3;
Cell[][] cells = new Cell[size][];
FactHandle[][] handles = new FactHandle[size][];
for ( int row = 0; row < size; row++ ) {
cells[row] = new Cell[size];
handles[row] = new FactHandle[size];
for ( int col = 0; col < size; col++ ) {
cells[row][col] = new Cell( Cell.DEAD, row, col );
handles[row][col] = session.insert( cells[row][col] );
if ( row >= 1 && col >= 1 ) {
// northwest
session.insert( new Neighbor( cells[row - 1][col - 1],
cells[row][col] ) );
session.insert( new Neighbor( cells[row][col],
cells[row - 1][col - 1] ) );
}
if ( row >= 1 ) {
// north
session.insert( new Neighbor( cells[row - 1][col],
cells[row][col] ) );
session.insert( new Neighbor( cells[row][col],
cells[row - 1][col] ) );
}
if ( row >= 1 && col < (size - 1) ) {
// northeast
session.insert( new Neighbor( cells[row - 1][col + 1],
cells[row][col] ) );
session.insert( new Neighbor( cells[row][col],
cells[row - 1][col + 1] ) );
}
if ( col >= 1 ) {
// west
session.insert( new Neighbor( cells[row][col - 1],
cells[row][col] ) );
session.insert( new Neighbor( cells[row][col],
cells[row][col - 1] ) );
}
}
}
session.clearAgendaGroup( "calculate" );
// now, start playing
int fired = session.fireAllRules( 100 );
assertEquals( 0, fired );
session.setFocus( "calculate" );
fired = session.fireAllRules( 100 );
// logger.writeToDisk();
assertEquals( 0, fired );
assertEquals( "MAIN", session.getAgenda().getFocusName() );
// on the fifth day God created the birds and sea creatures
cells[0][0].setState( Cell.LIVE );
session.update( handles[0][0], cells[0][0] );
session.setFocus( "birth" );
session.setFocus( "calculate" );
fired = session.fireAllRules( 100 );
// logger.writeToDisk();
int[][] expected = new int[][]{{0, 1, 0}, {1, 1, 0}, {0, 0, 0}};
assertEqualsMatrix( size, cells, expected );
assertEquals( "MAIN", session.getAgenda().getFocusName() );
// on the sixth day God created the animals that walk over the land and
// the Man
cells[1][1].setState( Cell.LIVE );
session.update( handles[1][1], cells[1][1] );
session.setFocus( "calculate" );
session.fireAllRules( 100 );
// logger.writeToDisk();
expected = new int[][]{{1, 2, 1}, {2, 1, 1}, {1, 1, 1}};
assertEqualsMatrix( size, cells, expected );
assertEquals( "MAIN", session.getAgenda().getFocusName() );
session.setFocus( "birth" );
session.fireAllRules( 100 );
expected = new int[][]{{1, 2, 1}, {2, 1, 1}, {1, 1, 1}};
assertEqualsMatrix( size, cells, expected );
assertEquals( "MAIN", session.getAgenda().getFocusName() );
session.setFocus( "calculate" );
session.fireAllRules( 100 );
// logger.writeToDisk();
// printMatrix( cells );
expected = new int[][]{{3, 3, 2}, {3, 3, 2}, {2, 2, 1}};
assertEqualsMatrix( size, cells, expected );
assertEquals( "MAIN", session.getAgenda().getFocusName() );
// on the seventh day, while God rested, man start killing them all
cells[0][0].setState( Cell.DEAD );
session.update( handles[0][0], cells[0][0] );
session.setFocus( "calculate" );
session.fireAllRules( 100 );
expected = new int[][]{{3, 2, 2}, {2, 2, 2}, {2, 2, 1}};
assertEqualsMatrix( size, cells, expected );
assertEquals( "MAIN", session.getAgenda().getFocusName() );
}
// private void printMatrix(Cell[][] cells) {
// System.out.println("----------");
// for( int row = 0; row < cells.length; row++) {
// for( int col = 0; col < cells[row].length; col++ ) {
// System.out.print( cells[row][col].getValue() +
// ((cells[row][col].getState()==Cell.LIVE)?"L ":". ") );
// }
// System.out.println();
// }
// System.out.println("----------");
// }
private void assertEqualsMatrix(final int size,
Cell[][] cells,
int[][] expected) {
for ( int row = 0; row < size; row++ ) {
for ( int col = 0; col < size; col++ ) {
assertEquals( "Wrong value at " + row + "," + col + ": ",
expected[row][col], cells[row][col].getValue() );
}
}
}
@Test
public void testAgendaGroups() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newClassPathResource( "test_AgendaGroups.drl", getClass() ), ResourceType.DRL );
assertFalse( kbuilder.hasErrors() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
kbase = SerializationHelper.serializeObject(kbase);
final StatefulKnowledgeSession session = createKnowledgeSession( kbase );
final List list = new ArrayList();
session.setGlobal( "list", list );
final Cheese brie = new Cheese( "brie", 12 );
session.insert( brie );
session.fireAllRules();
assertEquals( 7, list.size() );
assertEquals( "group3", list.get( 0 ) );
assertEquals( "group4", list.get( 1 ) );
assertEquals( "group3", list.get( 2 ) );
assertEquals( "MAIN", list.get( 3 ) );
assertEquals( "group1", list.get( 4 ) );
assertEquals( "group1", list.get( 5 ) );
assertEquals( "MAIN", list.get( 6 ) );
session.getAgenda().getAgendaGroup( "group2" ).setFocus();
session.fireAllRules();
assertEquals( 8, list.size() );
assertEquals( "group2", list.get( 7 ) );
// clear main only the auto focus related ones should fire
list.clear();
session.insert( new Cheese( "cheddar" ) );
session.getAgenda().getAgendaGroup( "MAIN" ).clear();
session.fireAllRules();
assertEquals( 3, list.size() );
assertEquals( "group3", list.get( 0 ) );
assertEquals( "group4", list.get( 1 ) );
assertEquals( "group3", list.get( 2 ) );
}
@Test
public void testActivationGroups() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_ActivationGroups.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
final Cheese brie = new Cheese( "brie", 12 );
workingMemory.insert( brie );
DefaultAgenda agenda = (DefaultAgenda) workingMemory.getAgenda();
final ActivationGroup activationGroup0 = agenda.getActivationGroup( "activation-group-0" );
assertEquals( 2, activationGroup0.size() );
final ActivationGroup activationGroup3 = agenda.getActivationGroup( "activation-group-3" );
assertEquals( 1, activationGroup3.size() );
final AgendaGroup agendaGroup3 = agenda.getAgendaGroup( "agenda-group-3" );
assertEquals( 1, agendaGroup3.size() );
final AgendaGroup agendaGroupMain = agenda.getAgendaGroup( "MAIN" );
assertEquals( 3, agendaGroupMain.size() );
workingMemory.clearAgendaGroup( "agenda-group-3" );
assertEquals( 0, activationGroup3.size() );
assertEquals( 0, agendaGroup3.size() );
workingMemory.fireAllRules();
assertEquals( 0, activationGroup0.size() );
assertEquals( 2, list.size() );
assertEquals( "rule0", list.get( 0 ) );
assertEquals( "rule2", list.get( 1 ) );
}
@Test
public void testUnMatchListenerForChainedPlanningEntities() {
String str =""+
"package org.drools.compiler.integrationtests;\n" +
"\n" +
"import org.drools.compiler.Father;\n" +
"import org.drools.compiler.TotalHolder;\n" +
"\n" +
"import org.drools.core.common.AgendaItem;\n" +
"import org.kie.internal.event.rule.ActivationUnMatchListener;\n" +
"import org.kie.api.runtime.rule.Session;\n" +
"import org.kie.api.runtime.rule.Match;\n" +
"\n" +
"global TotalHolder totalHolder;\n" +
"\n" +
"rule \"sumWeightOfFather\"\n" +
"when\n" +
" $h: Father(father != null, $wf : weightOfFather)\n" +
"then\n" +
" totalHolder.add($wf);\n" +
" final TotalHolder finalTotalHolder = totalHolder;\n" +
" final int finalWf = $wf;\n" +
" AgendaItem agendaItem = (AgendaItem) kcontext.getMatch();" +
" if (agendaItem.getActivationUnMatchListener() != null) {\n" +
" Session session = null; // Should not be used by the undoListener anyway\n" +
" agendaItem.getActivationUnMatchListener().unMatch(session, agendaItem);\n" +
" }" +
" agendaItem.setActivationUnMatchListener(new ActivationUnMatchListener() {" +
" public void unMatch(Session session, Match match) {" +
" finalTotalHolder.subtract(finalWf);" +
" }" +
" });" +
"end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource(str.getBytes()),
ResourceType.DRL );
assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession kSession = createKnowledgeSession(kbase);
kSession.setGlobal("totalHolder", new TotalHolder());
Father abraham = new Father("abraham", null, 100);
Father homer = new Father("homer", null, 20);
Father bart = new Father("bart", null, 3);
org.kie.api.runtime.rule.FactHandle abrahamHandle = kSession.insert(abraham);
org.kie.api.runtime.rule.FactHandle bartHandle = kSession.insert(bart);
kSession.fireAllRules();
assertEquals(0, ((TotalHolder) kSession.getGlobal("totalHolder")).getTotal());
bart.setFather(abraham);
kSession.update(bartHandle, bart);
kSession.fireAllRules();
assertEquals(100, ((TotalHolder) kSession.getGlobal("totalHolder")).getTotal());
bart.setFather(null);
kSession.update(bartHandle, bart);
kSession.fireAllRules();
assertEquals(0, ((TotalHolder) kSession.getGlobal("totalHolder")).getTotal());
bart.setFather(abraham);
kSession.update(bartHandle, bart);
kSession.fireAllRules();
assertEquals(100, ((TotalHolder) kSession.getGlobal("totalHolder")).getTotal());
org.kie.api.runtime.rule.FactHandle homerHandle = kSession.insert(homer);
homer.setFather(abraham);
kSession.update(homerHandle, homer);
bart.setFather(homer);
kSession.update(bartHandle, bart);
kSession.fireAllRules();
assertEquals(120, ((TotalHolder) kSession.getGlobal("totalHolder")).getTotal());
}
public static class Holder {
private Integer val;
private String outcome;
public Holder(Integer val) {
this.val = val;
}
public void setValue(Integer val) {
this.val = val;
}
public Integer getValue() {
return this.val;
}
public void setOutcome(String outcome) {
this.outcome = outcome;
}
public String getOutcome() {
return this.outcome;
}
}
@Test
// JBRULES-2398
public void
testActivationGroupWithTroubledSyntax() {
String str = "package BROKEN_TEST;\n" + "import "
+ Holder.class.getCanonicalName() + ";\n"
+ "rule \"_12\"\n"
+ " \n"
+ " salience 3\n"
+ " activation-group \"BROKEN\"\n"
+ " when\n"
+ " $a : Holder(value in (0))\n"
+ " then\n"
+ " System.out.println(\"setting 0\");\n"
+ " $a.setOutcome(\"setting 0\");\n"
+ "end\n" + "\n"
+ "rule \"_13\"\n"
+ " \n"
+ " salience 2\n"
+ " activation-group \"BROKEN\"\n"
+ " when\n"
+ " $a : Holder(value in (1))\n"
+ " then\n"
+ " System.out.println(\"setting 1\");\n"
+ " $a.setOutcome(\"setting 1\");\n"
+ "end\n" + "\n"
+ "rule \"_22\"\n"
+ " \n" + " salience 1\n"
+ " activation-group \"BROKEN\"\n"
+ " when\n"
+ " $a : Holder(value == null)\n"
+ " then\n"
+ " System.out.println(\"setting null\");\n"
+ " $a.setOutcome(\"setting null\");\n"
+ "end\n" + "\n"
+ "";
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kBuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( "Errors" );
KnowledgeBuilderErrors errors = kBuilder.getErrors();
for ( KnowledgeBuilderError kbe : errors ) {
System.err.println( kbe.getMessage() );
for ( int errLine : kbe.getLines() ) {
System.err.println( errLine );
}
}
System.exit( 1 );
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
Collection<KnowledgePackage> knowledgePackages = kBuilder.getKnowledgePackages();
kbase.addKnowledgePackages( knowledgePackages );
StatefulKnowledgeSession session = createKnowledgeSession( kbase );
Holder inrec = new Holder( 1 );
System.out.println( "Holds: " + inrec.getValue() );
session.insert( inrec );
session.fireAllRules();
Assert.assertEquals( 1, session.getFactHandles().size() );
Assert.assertEquals( "setting 1", inrec.getOutcome() );
session.dispose();
session = createKnowledgeSession( kbase );
inrec = new Holder( null );
System.out.println( "Holds: " + inrec.getValue() );
session.insert( inrec );
session.fireAllRules();
Assert.assertEquals( 1, session.getFactHandles().size() );
Assert.assertEquals( "setting null", inrec.getOutcome() );
session.dispose();
session = createKnowledgeSession( kbase );
inrec = new Holder( 0 );
System.out.println( "Holds: " + inrec.getValue() );
session.insert( inrec );
session.fireAllRules(); // appropriate rule is not fired!
Assert.assertEquals( 1, session.getFactHandles().size() );
Assert.assertEquals( "setting 0", inrec.getOutcome() );
}
@Test
public void testInsertRetractNoloop() throws Exception {
// read in the source
final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_Insert_Retract_Noloop.drl" ) );
RuleBase ruleBase = loadRuleBase( reader );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory wm = ruleBase.newStatefulSession();
wm.insert( new Cheese( "stilton", 15 ) );
wm.fireAllRules();
}
@Test
public void testUpdateNoLoop() throws Exception {
// JBRULES-780, throws a NullPointer or infinite loop if there is an
// issue
final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_UpdateNoloop.drl" ) );
RuleBase ruleBase = loadRuleBase( reader );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory wm = ruleBase.newStatefulSession();
wm.insert( new Cheese( "stilton", 15 ) );
wm.fireAllRules();
}
@Test
public void testUpdateActivationCreationNoLoop() throws Exception {
// JBRULES-787, no-loop blocks all dependant tuples for update
final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_UpdateActivationCreationNoLoop.drl" ) );
RuleBase ruleBase = loadRuleBase( reader );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final InternalWorkingMemoryActions wm = (InternalWorkingMemoryActions) ruleBase
.newStatefulSession();
final List created = new ArrayList();
final List cancelled = new ArrayList();
final AgendaEventListener l = new DefaultAgendaEventListener() {
@Override
public void activationCreated(ActivationCreatedEvent event,
WorkingMemory workingMemory) {
created.add( event );
}
@Override
public void activationCancelled(ActivationCancelledEvent event,
WorkingMemory workingMemory) {
cancelled.add( event );
}
};
wm.addEventListener( l );
final Cheese stilton = new Cheese( "stilton", 15 );
final FactHandle stiltonHandle = wm.insert( stilton );
final Person p1 = new Person( "p1" );
p1.setCheese( stilton );
wm.insert( p1 );
final Person p2 = new Person( "p2" );
p2.setCheese( stilton );
wm.insert( p2 );
final Person p3 = new Person( "p3" );
p3.setCheese( stilton );
wm.insert( p3 );
wm.fireAllRules();
assertEquals( 3, created.size() );
assertEquals( 0, cancelled.size() );
final Activation item = ((ActivationCreatedEvent) created.get( 2 ))
.getActivation();
// simulate a modify inside a consequence
wm.update( stiltonHandle, stilton, Long.MAX_VALUE, Object.class, item );
// with true modify, no reactivations should be triggered
assertEquals( 3, created.size() );
assertEquals( 0, cancelled.size() );
}
@Test
public void testRuleFlowGroup() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "ruleflowgroup.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
workingMemory.insert( "Test" );
workingMemory.fireAllRules();
assertEquals( 0, list.size() );
workingMemory.getAgenda().activateRuleFlowGroup( "Group1" );
workingMemory.fireAllRules();
assertEquals( 1, list.size() );
}
@Test
public void testRuleFlowGroupDeactivate() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "ruleflowgroup2.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
workingMemory.insert( "Test" );
workingMemory.fireAllRules();
assertEquals( 0, list.size() );
assertEquals( 2, workingMemory.getAgenda().getRuleFlowGroup( "Group1" ).size() );
workingMemory.getAgenda().activateRuleFlowGroup( "Group1" );
workingMemory.fireAllRules();
assertEquals( 0, list.size() );
}
@Test
public void testRuleFlowGroupInActiveMode() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "ruleflowgroup.drl" ) ) );
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage( pkg );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final StatefulSession workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
workingMemory.insert( "Test" );
workingMemory.fireAllRules();
assertEquals( 0, list.size() );
workingMemory.getAgenda().activateRuleFlowGroup( "Group1" );
workingMemory.fireAllRules();
assertEquals( 1, list.size() );
workingMemory.halt();
}
@Test
public void testDateEffective() throws Exception {
// read in the source
final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_EffectiveDate.drl" ) );
RuleBase ruleBase = loadRuleBase( reader );
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal( "list", list );
// go !
final Message message = new Message( "hola" );
workingMemory.insert( message );
workingMemory.fireAllRules();
assertFalse( message.isFired() );
}
@Test
public void testNullPointerOnModifyWithLockOnActive() {
// JBRULES-3234
String str = "package org.kie.test \n"
+ "import org.drools.compiler.Person; \n"
+ "rule 'Rule 1' agenda-group 'g1' lock-on-active when \n"
+ " $p : Person( age != 35 ) \n"
+ " then \n"
+ " modify( $p ) { setAge( 35 ) }; \n"
+ "end \n"
+ "rule 'Rule 2' agenda-group 'g1' no-loop when \n"
+ " $p: Person( age == 35) \n"
+ " then \n"
+ " modify( $p ) { setAge( 36 ) }; \n"
+ "end \n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Person p = new Person( "darth", 36 );
FactHandle fh = (FactHandle) ksession.insert( p );
//session.startProcess("fraudAnalysisFlow");
//session.getAgenda().getAgendaGroup("customerActivityLookup").setFocus();
ksession.getAgenda().getAgendaGroup( "g1" ).setFocus();
ksession.fireAllRules();
ksession.update( fh, p ); // normally NPE thrown here, for BUG
assertEquals( 36, p.getAge() );
}
}