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SequentialTest.java
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SequentialTest.java
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package org.drools.compiler.integrationtests.sequential;
import org.drools.compiler.Cheese;
import org.drools.compiler.CommonTestMethodBase;
import org.drools.compiler.Message;
import org.drools.compiler.Person;
import org.drools.compiler.compiler.DroolsParserException;
import org.drools.compiler.integrationtests.DynamicRulesTest;
import org.drools.compiler.phreak.A;
import org.drools.core.util.IoUtils;
import org.junit.Before;
import org.junit.Test;
import org.kie.api.KieBaseConfiguration;
import org.kie.api.KieServices;
import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.Results;
import org.kie.api.event.rule.AfterMatchFiredEvent;
import org.kie.api.event.rule.AgendaEventListener;
import org.kie.api.event.rule.AgendaGroupPoppedEvent;
import org.kie.api.event.rule.AgendaGroupPushedEvent;
import org.kie.api.event.rule.BeforeMatchFiredEvent;
import org.kie.api.event.rule.MatchCancelledEvent;
import org.kie.api.event.rule.MatchCreatedEvent;
import org.kie.api.event.rule.ObjectDeletedEvent;
import org.kie.api.event.rule.ObjectInsertedEvent;
import org.kie.api.event.rule.ObjectUpdatedEvent;
import org.kie.api.event.rule.RuleFlowGroupActivatedEvent;
import org.kie.api.event.rule.RuleFlowGroupDeactivatedEvent;
import org.kie.api.event.rule.RuleRuntimeEventListener;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.StatelessKieSession;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.conf.RuleEngineOption;
import org.kie.internal.command.CommandFactory;
import org.kie.internal.conf.SequentialOption;
import org.kie.internal.runtime.StatelessKnowledgeSession;
import org.kie.internal.utils.KieHelper;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class SequentialTest extends CommonTestMethodBase {
private KieBaseConfiguration kconf;
@Before
public void setup() {
kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kconf.setOption( phreak );
kconf.setOption( SequentialOption.YES );
}
@Test
public void testSequentialPlusPhreakOperationComplex() throws Exception {
String str = "";
str += "package org.drools.compiler.test\n";
str +="import " + A.class.getCanonicalName() + "\n";
str +="global " + List.class.getCanonicalName() + " list\n";
// Focus is done as g1, g2, g1 to demonstrate that groups will not re-activate
str +="rule r0 when\n";
str +="then\n";
str +=" drools.getKnowledgeRuntime().getAgenda().getAgendaGroup( 'g1' ).setFocus();\n";
str +=" drools.getKnowledgeRuntime().getAgenda().getAgendaGroup( 'g2' ).setFocus();\n";
str +=" drools.getKnowledgeRuntime().getAgenda().getAgendaGroup( 'g1' ).setFocus();\n";
str +="end\n";
str +="rule r1 agenda-group 'g1' when\n";
str +=" a : A( object > 0 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +=" modify(a) { setObject( 3 ) };\n";
str +="end\n";
// r1_x is here to show they do not react when g2.r9 changes A o=2,
// i.e. checking that re-activating g1 won't cause it to pick up previous non evaluated rules.
// this is mostly checking that the no linking doesn't interfere with the expected results.
str +="rule r1_x agenda-group 'g1' when\n";
str +=" a : A( object == 2 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
// r1_y is here to show it does not react when A is changed to o=5 in r3
str +="rule r1_y agenda-group 'g1' when\n";
str +=" a : A( object == 5 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
str +="rule r2 agenda-group 'g1' when\n";
str +=" a : A( object < 3 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
str +="rule r3 agenda-group 'g1' when\n";
str +=" a : A(object >= 3 )\n";
str +="then\n";
str +=" modify(a) { setObject( 5 ) };\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
// Checks that itself, f3 and r1_y do not react as they are higher up
str +="rule r4 agenda-group 'g1' when\n";
str +=" a : A(object >= 3 )\n";
str +="then\n";
str +=" modify(a) { setObject( 5 ) };\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
// Checks that while this at one point matches, it does not match by the time g2 is entered
// nor does it react when r9 changes a o=2
str +="rule r6 agenda-group 'g2' when\n";
str +=" a : A(object < 5 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
str +="rule r7 agenda-group 'g2' when\n";
str +=" a : A(object >= 3 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
str +="rule r8 agenda-group 'g2' when\n";
str +=" a : A(object >= 5 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
// This changes A o=2 to check if g1.r1_x incorrect reacts when g1 is re-entered
str +="rule r9 agenda-group 'g2' when\n";
str +=" a : A(object >= 5 )\n";
str +="then\n";
str +=" modify(a) { setObject( 2 ) };\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(kconf, str);
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.setGlobal( "list",
list );
ksession.execute( CommandFactory.newInsertElements(Arrays.asList( new Object[]{new A(1)} )) );
assertEquals( 6, list.size() );
assertEquals( "r1", list.get(0));
assertEquals( "r3", list.get(1));
assertEquals( "r4", list.get(2));
assertEquals( "r7", list.get(3));
assertEquals( "r8", list.get(4));
assertEquals( "r9", list.get(5));
}
@Test
public void testSequentialPlusPhreakRevisitOriginallyEmptyGroup() throws Exception {
String str = "";
str += "package org.drools.compiler.test\n";
str +="import " + A.class.getCanonicalName() + "\n";
str +="global " + List.class.getCanonicalName() + " list\n";
// Focus is done as g1, g2, g1 to demonstrate that groups will not re-activate
str +="rule r0 when\n";
str +="then\n";
str +=" drools.getKnowledgeRuntime().getAgenda().getAgendaGroup( 'g1' ).setFocus();\n";
str +=" drools.getKnowledgeRuntime().getAgenda().getAgendaGroup( 'g2' ).setFocus();\n";
str +=" drools.getKnowledgeRuntime().getAgenda().getAgendaGroup( 'g1' ).setFocus();\n";
str +="end\n";
// r1_x is here to show they do not react when g2.r9 changes A o=2,
// i.e. checking that re-activating g1 won't cause it to pick up previous non evaluated rules.
// this is mostly checking that the none linking doesn't interfere with the expected results.
// additional checks this works if g1 never had any Matches on the first visit
str +="rule r1_x agenda-group 'g1' when\n";
str +=" a : A( object == 2 )\n";
str +="then\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
// This changes A o=2 to check if g1.r1_x incorrect reacts when g1 is re-entered
str +="rule r9 agenda-group 'g2' when\n";
str +=" a : A(object >= 5 )\n";
str +="then\n";
str +=" modify(a) { setObject( 2 ) };\n";
str +=" list.add( drools.getRule().getName() );\n";
str +="end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(kconf, str);
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.setGlobal( "list",
list );
ksession.execute( CommandFactory.newInsertElements(Arrays.asList( new Object[]{new A(5)} )) );
assertEquals( 1, list.size() );
assertEquals( "r9", list.get(0));
}
@Test
public void testBasicOperation() throws Exception {
KnowledgeBase kbase = loadKnowledgeBase(kconf, "simpleSequential.drl");
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.setGlobal( "list",
list );
final Person p1 = new Person( "p1",
"stilton" );
final Person p2 = new Person( "p2",
"cheddar" );
final Person p3 = new Person( "p3",
"stilton" );
final Cheese stilton = new Cheese( "stilton",
15 );
final Cheese cheddar = new Cheese( "cheddar",
15 );
ksession.execute( CommandFactory.newInsertElements( Arrays.asList( new Object[]{p1, stilton, p2, cheddar, p3} ) ) );
assertEquals( 3,
list.size() );
}
@Test
public void testSalience() throws Exception {
KnowledgeBase kbase = loadKnowledgeBase(kconf, "simpleSalience.drl");
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.setGlobal( "list",
list );
ksession.execute( new Person( "pob") );
assertEquals( 3,
list.size() );
assertEquals( "rule 3", list.get( 0 ));
assertEquals( "rule 2", list.get( 1 ) );
assertEquals( "rule 1", list.get( 2 ) );
}
@Test
public void testKnowledgeRuntimeAccess() throws Exception {
String str = "";
str += "package org.drools.compiler.test\n";
str +="import org.drools.compiler.Message\n";
str +="rule \"Hello World\"\n";
str +="when\n";
str +=" Message( )\n";
str +="then\n";
str +=" System.out.println( drools.getKieRuntime() );\n";
str +="end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(kconf, str);
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
ksession.execute( new Message( "help" ) );
}
@Test
public void testEvents() throws Exception {
String str = "";
str += "package org.drools.compiler.test\n";
str +="import org.drools.compiler.Message\n";
str +="rule \"Hello World\"\n";
str +="when\n";
str +=" Message( )\n";
str +="then\n";
str +=" System.out.println( drools.getKieRuntime() );\n";
str +="end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(kconf, str);
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.addEventListener( new AgendaEventListener() {
public void matchCancelled( MatchCancelledEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void matchCreated( MatchCreatedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void afterMatchFired( AfterMatchFiredEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void agendaGroupPopped( AgendaGroupPoppedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void agendaGroupPushed( AgendaGroupPushedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void beforeMatchFired( BeforeMatchFiredEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void beforeRuleFlowGroupActivated( RuleFlowGroupActivatedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void afterRuleFlowGroupActivated( RuleFlowGroupActivatedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void beforeRuleFlowGroupDeactivated( RuleFlowGroupDeactivatedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void afterRuleFlowGroupDeactivated( RuleFlowGroupDeactivatedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
} );
ksession.addEventListener( new RuleRuntimeEventListener() {
public void objectInserted( ObjectInsertedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void objectDeleted( ObjectDeletedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
public void objectUpdated( ObjectUpdatedEvent event ) {
assertNotNull( event.getKieRuntime() );
list.add( event );
}
} );
ksession.execute( new Message( "help" ) );
assertEquals( 4, list.size() );
}
// JBRULES-1567 - ArrayIndexOutOfBoundsException in sequential execution after calling RuleBase.addPackage(..)
@Test
public void testSequentialWithRulebaseUpdate() throws Exception {
KnowledgeBase kbase = loadKnowledgeBase(kconf, "simpleSalience.drl");
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.execute(new Person("pob"));
kbase.addKnowledgePackages(loadKnowledgePackagesFromString( new String( IoUtils.readBytesFromInputStream( DynamicRulesTest.class.getResource("test_Dynamic3.drl").openStream() ) ) ) );
ksession = kbase.newStatelessKnowledgeSession();
ksession.setGlobal( "list", list );
Person person = new Person("bop");
ksession.execute(person);
assertEquals( 7, list.size() );
assertEquals( "rule 3", list.get( 0 ));
assertEquals( "rule 2", list.get( 1 ));
assertEquals( "rule 1", list.get( 2 ));
assertEquals( "rule 3", list.get( 3 ) );
assertEquals( "rule 2", list.get( 4 ) );
assertEquals( "rule 1", list.get( 5 ) );
assertEquals( person, list.get( 6 ));
}
@Test
public void testProfileSequential() throws Exception {
runTestProfileManyRulesAndFacts( true, "Sequential mode", 0, "sequentialProfile.drl" );
runTestProfileManyRulesAndFacts( true, "Sequential mode", 0, "sequentialProfile.drl" );
System.gc();
Thread.sleep( 100 );
}
@Test
public void testProfileRETE() throws Exception {
runTestProfileManyRulesAndFacts( false, "Normal RETE mode", 0, "sequentialProfile.drl" );
runTestProfileManyRulesAndFacts( false, "Normal RETE mode", 0, "sequentialProfile.drl" );
System.gc();
Thread.sleep( 100 );
}
@Test
public void testNumberofIterationsSeq() throws Exception {
//test throughput
runTestProfileManyRulesAndFacts( true,
"SEQUENTIAL",
2000, "sequentialProfile.drl" );
}
@Test
public void testNumberofIterationsRETE() throws Exception {
//test throughput
runTestProfileManyRulesAndFacts( false,
"RETE",
2000, "sequentialProfile.drl" );
}
@Test
public void testPerfJDT() throws Exception {
runTestProfileManyRulesAndFacts( true,
"JDT",
2000, "sequentialProfile.drl" );
}
@Test
public void testPerfMVEL() throws Exception {
runTestProfileManyRulesAndFacts( true,
"MVEL",
2000, "sequentialProfileMVEL.drl" );
}
private void runTestProfileManyRulesAndFacts(boolean sequentialMode,
String message,
int timetoMeasureIterations,
String file) throws DroolsParserException, IOException, Exception {
KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
if ( sequentialMode ) {
kconf.setOption( RuleEngineOption.RETEOO );
kconf.setOption( SequentialOption.YES );
} else {
kconf.setOption( SequentialOption.NO );
}
KnowledgeBase kbase = loadKnowledgeBase(kconf, file);
StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
final List list = new ArrayList();
ksession.setGlobal( "list",
list );
Object[] data = new Object[50000];
for ( int i = 0; i < data.length; i++ ) {
if ( i % 2 == 0 ) {
final Person p = new Person( "p" + i,
"stilton" );
data[i] = p;
} else {
data[i] = new Cheese( "cheddar",
i );
}
}
if ( timetoMeasureIterations == 0 ) {
//one shot measure
long start = System.currentTimeMillis();
ksession.execute( CommandFactory.newInsertElements(Arrays.asList(data)));
System.out.println( "Time for " + message + ":" + (System.currentTimeMillis() - start) );
assertTrue( list.size() > 0 );
} else {
//lots of shots
//test throughput
long start = System.currentTimeMillis();
long end = start + timetoMeasureIterations;
int count = 0;
while ( System.currentTimeMillis() < end ) {
StatelessKnowledgeSession sess2 = createStatelessKnowledgeSession( kbase );
List list2 = new ArrayList();
sess2.setGlobal( "list",
list2 );
sess2.execute( CommandFactory.newInsertElements(Arrays.asList(data)));
//session.execute( data );
count++;
}
System.out.println( "Iterations in for " + message + " : " + count );
}
}
@Test(timeout = 10000L)
public void testSequentialWithNoLoop() throws Exception {
// BZ-1228098
String str =
"package org.drools.compiler.test\n" +
"import \n" + Message.class.getCanonicalName() + ";" +
"rule R1 no-loop when\n" +
" $s : String( )" +
" $m : Message( )\n" +
"then\n" +
" modify($m) { setMessage($s) };\n" +
"end\n";
KieServices ks = KieServices.Factory.get();
KieFileSystem kfs = ks.newKieFileSystem();
kfs.write("src/main/resources/r0.drl", str);
KieBuilder kieBuilder = ks.newKieBuilder( kfs ).buildAll();
Results results = kieBuilder.getResults();
if (results.hasMessages( org.kie.api.builder.Message.Level.ERROR)) {
throw new RuntimeException(results.getMessages().toString());
}
KieContainer kieContainer = ks.newKieContainer( ks.getRepository().getDefaultReleaseId() );
KieBaseConfiguration kieBaseConf = ks.newKieBaseConfiguration();
kieBaseConf.setOption( SequentialOption.YES );
StatelessKieSession sequentialKsession = kieContainer.newKieBase( kieBaseConf ).newStatelessKieSession();
List result = (List) sequentialKsession.execute( CommandFactory.newInsertElements(Arrays.asList("test", new Message())));
assertEquals( 2, result.size() );
StatelessKieSession ksession = kieContainer.getKieBase().newStatelessKieSession();
result = (List) ksession.execute( CommandFactory.newInsertElements(Arrays.asList("test", new Message())));
assertEquals( 2, result.size() );
}
@Test
public void testSharedSegment() throws Exception {
// BZ-1228313
String str =
"package org.drools.compiler.test\n" +
"import \n" + Message.class.getCanonicalName() + ";" +
"rule R1 when\n" +
" $s : String()\n" +
" $m : Message()\n" +
" $i : Integer( this < $s.length )\n" +
"then\n" +
" modify($m) { setMessage($s) };\n" +
"end\n" +
"\n" +
"rule R2 when\n" +
" $s : String()\n" +
" $m : Message()\n" +
" $i : Integer( this > $s.length )\n" +
"then\n" +
"end\n";
StatelessKieSession ksession = new KieHelper().addContent( str, ResourceType.DRL )
.build( SequentialOption.YES )
.newStatelessKieSession();
ksession.execute( CommandFactory.newInsertElements(Arrays.asList("test", new Message(), 3, 5)));
}
}