@Test
public void testNot() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("not_rule_test.drl")));
if (builder.hasErrors()) {
fail(builder.getErrors().toString());
}
final Package pkg = builder.getPackage();
final RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("list", list);
final Cheese stilton = new Cheese("stilton", 5);
final FactHandle stiltonHandle = workingMemory.insert(stilton);
final Cheese cheddar = new Cheese("cheddar", 7);
final FactHandle cheddarHandle = workingMemory.insert(cheddar);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.retract(stiltonHandle);
workingMemory.fireAllRules();
assertEquals(4, list.size());
assertTrue(list.contains(new Integer(5)));
assertTrue(list.contains(new Integer(6)));
assertTrue(list.contains(new Integer(7)));
assertTrue(list.contains(new Integer(8)));
}
@Test
public void testNestedCorelatedRulesWithForall() throws Exception {
PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(
FirstOrderLogicTest.class.getResourceAsStream(
"test_NestedCorrelatedRulesWithForall.drl")));
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(builder.getPackage());
ruleBase = SerializationHelper.serializeObject(ruleBase);
StatefulSession session = ruleBase.newStatefulSession();
List list1 = new ArrayList();
List list2 = new ArrayList();
List list3 = new ArrayList();
List list4 = new ArrayList();
session.setGlobal("list1", list1);
session.setGlobal("list2", list2);
session.setGlobal("list3", list3);
session.setGlobal("list4", list4);
SpecialString first42 = new SpecialString("42");
SpecialString second42 = new SpecialString("42");
SpecialString world = new SpecialString("World");
// System.out.println( "Inserting ..." );
session.insert(world);
session.insert(first42);
session.insert(second42);
// System.out.println( "Done." );
// System.out.println( "Firing rules ..." );
// check all lists are empty
assertTrue(list1.isEmpty());
assertTrue(list2.isEmpty());
assertTrue(list3.isEmpty());
assertTrue(list4.isEmpty());
session.fireAllRules();
// System.out.println( "Done." );
// check first list is populated correctly
assertEquals(0, list1.size());
// check second list is populated correctly
assertEquals(0, list2.size());
// check third list is populated correctly
assertEquals(1, list3.size());
// check fourth list is populated correctly
assertEquals(0, list4.size());
}
@Test
public void testOr() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_OrNesting.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final Cheese cheddar = new Cheese("cheddar", 7);
final Cheese provolone = new Cheese("provolone", 5);
final Cheese brie = new Cheese("brie", 15);
final Person mark = new Person("mark", "stilton");
FactHandle ch = workingMemory.insert(cheddar);
FactHandle ph = workingMemory.insert(provolone);
FactHandle bh = workingMemory.insert(brie);
FactHandle markh = workingMemory.insert(mark);
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
private static void smallBlobCompile() throws DroolsParserException, IOException, Exception {
/* love you */ long time = System.currentTimeMillis();
PackageBuilder b = new PackageBuilder();
b.addPackageFromDrl(new StringReader(getHeader()));
for (int i = 0; i < RULE_COUNT; i++) {
String name = "x" + i;
int status = i;
String r = getTemplate2(name, i, status);
b.addPackageFromDrl(new StringReader(r));
if (i % 1000 == 0) System.err.println("Rule #" + i);
}
assertFalse(b.getErrors().toString(), b.hasErrors());
System.err.println("Time taken for compiling: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
Package p = b.getPackage();
RuleBase rb = RuleBaseFactory.newRuleBase();
rb.addPackage(p);
System.err.println("Time taken rete building: " + (System.currentTimeMillis() - time));
}
@Test
public void testCollectWithNestedFromWithParams() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_CollectWithNestedFrom.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List results = new ArrayList();
workingMemory.setGlobal("results", results);
final Person bob = new Person("bob", "stilton");
Cheesery cheesery = new Cheesery();
cheesery.addCheese(new Cheese("stilton", 10));
cheesery.addCheese(new Cheese("brie", 20));
cheesery.addCheese(new Cheese("muzzarela", 8));
cheesery.addCheese(new Cheese("stilton", 5));
cheesery.addCheese(new Cheese("provolone", 1));
workingMemory.insert(bob);
workingMemory.insert(cheesery);
workingMemory.fireAllRules();
assertEquals(1, results.size());
List cheeses = (List) results.get(0);
assertEquals(2, cheeses.size());
assertEquals(bob.getLikes(), ((Cheese) cheeses.get(0)).getType());
assertEquals(bob.getLikes(), ((Cheese) cheeses.get(1)).getType());
}
@Test
public void testForall() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_Forall.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final State state = new State("SP");
workingMemory.insert(state);
final Person bob = new Person("Bob");
bob.setStatus(state.getState());
bob.setLikes("stilton");
workingMemory.insert(bob);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.insert(new Cheese(bob.getLikes(), 10));
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
@Test
public void testNotWithBindings() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("not_with_bindings_rule_test.drl")));
final Package pkg = builder.getPackage();
final Rule rule = pkg.getRules()[0];
assertTrue(rule.isValid());
assertEquals(0, builder.getErrors().getErrors().length);
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("list", list);
final Cheese stilton = new Cheese("stilton", 5);
final FactHandle stiltonHandle = workingMemory.insert(stilton);
final Cheese cheddar = new Cheese("cheddar", 7);
final FactHandle cheddarHandle = workingMemory.insert(cheddar);
final PersonInterface paul = new Person("paul", "stilton", 12);
workingMemory.insert(paul);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.retract(stiltonHandle);
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
@Test
public void testExists() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("exists_rule_test.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("list", list);
final Cheese cheddar = new Cheese("cheddar", 7);
final FactHandle cheddarHandle = workingMemory.insert(cheddar);
workingMemory.fireAllRules();
assertEquals(0, list.size());
final Cheese stilton = new Cheese("stilton", 5);
final FactHandle stiltonHandle = workingMemory.insert(stilton);
workingMemory.fireAllRules();
assertEquals(1, list.size());
final Cheese brie = new Cheese("brie", 5);
final FactHandle brieHandle = workingMemory.insert(brie);
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
@Test
public void testCollectNodeSharing() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_collectNodeSharing.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
StatefulSession workingMemory = ruleBase.newStatefulSession();
List results = new ArrayList();
workingMemory.setGlobal("results", results);
workingMemory = SerializationHelper.getSerialisedStatefulSession(workingMemory);
results = (List) workingMemory.getGlobal("results");
workingMemory.insert(new Cheese("stilton", 10));
workingMemory = SerializationHelper.getSerialisedStatefulSession(workingMemory);
results = (List) workingMemory.getGlobal("results");
workingMemory.insert(new Cheese("brie", 15));
workingMemory.fireAllRules();
workingMemory = SerializationHelper.getSerialisedStatefulSession(workingMemory);
results = (List) workingMemory.getGlobal("results");
assertEquals(1, results.size());
assertEquals(2, ((List) results.get(0)).size());
}
@Test
public void testFromInsideNotAndExists() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_FromInsideNotAndExists.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final Cheese cheddar = new Cheese("cheddar", 7);
final Cheese provolone = new Cheese("provolone", 5);
final Cheesery cheesery = new Cheesery();
cheesery.addCheese(cheddar);
cheesery.addCheese(provolone);
FactHandle handle = workingMemory.insert(cheesery);
workingMemory.fireAllRules();
assertEquals(0, list.size());
cheesery.addCheese(new Cheese("stilton", 10));
cheesery.removeCheese(cheddar);
workingMemory.update(handle, cheesery);
workingMemory.fireAllRules();
assertEquals(2, list.size());
}
@Test
public void testForallSinglePatternWithExists() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(
getClass().getResourceAsStream("test_ForallSinglePatternWithExists.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
workingMemory.insert(new Cheese("stilton", 10));
workingMemory.insert(new Cheese("brie", 10));
workingMemory.insert(new Cheese("brie", 10));
workingMemory.insert(new Order(1, "bob"));
workingMemory.insert(new Person("bob", "stilton", 10));
workingMemory.insert(new Person("mark", "stilton"));
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
@Test
@Ignore("This test requires us to fix the propagation order")
public void testForallSinglePattern() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_ForallSinglePattern.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
int fired = 0;
// no cheeses, so should fire
workingMemory.fireAllRules();
assertEquals(++fired, list.size());
// only stilton, so should not fire again
FactHandle stilton1 = workingMemory.insert(new Cheese("stilton", 10));
workingMemory.fireAllRules();
assertEquals(fired, list.size());
// only stilton, so should not fire again
FactHandle stilton2 = workingMemory.insert(new Cheese("stilton", 11));
workingMemory.fireAllRules();
assertEquals(fired, list.size());
// still only stilton, so should not fire
workingMemory.retract(stilton1);
workingMemory.fireAllRules();
assertEquals(
++fired, // we need to fix forall to not fire in this situation
list.size());
// there is a brie, so should not fire
FactHandle brie = workingMemory.insert(new Cheese("brie", 10));
workingMemory.fireAllRules();
assertEquals(fired, list.size());
// no brie anymore, so should fire
workingMemory.retract(brie);
workingMemory.fireAllRules();
assertEquals(++fired, list.size());
// no more cheese, but since it already fired, should not fire again
workingMemory.retract(stilton2);
workingMemory.fireAllRules();
assertEquals(fired, list.size());
}
private static void bigBlobCompile() throws DroolsParserException, IOException, Exception {
StringBuilder buf = new StringBuilder();
buf.append(getHeader());
for (int i = 0; i < RULE_COUNT; i++) {
String name = "x" + i;
int status = i;
String r = getTemplate1(name, status);
buf.append(r);
}
/* love you */ long time = System.currentTimeMillis();
DrlParser ps = new DrlParser(LanguageLevelOption.DRL5);
PackageDescr pkg = ps.parse(new StringReader(buf.toString()));
System.err.println("Time taken for parsing: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
PackageBuilder b = new PackageBuilder();
b.addPackage(pkg);
assertFalse(b.getErrors().toString(), b.hasErrors());
System.err.println("Time taken for compiling: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
Package p = b.getPackage();
RuleBase rb = RuleBaseFactory.newRuleBase();
rb.addPackage(p);
System.err.println("Time taken rete building: " + (System.currentTimeMillis() - time));
File f = new File("foo.rulebase");
if (f.exists()) f.delete();
time = System.currentTimeMillis();
ObjectOutput out = new DroolsObjectOutputStream(new FileOutputStream(f));
out.writeObject(rb);
out.flush();
out.close();
System.err.println("Time taken serializing rulebase: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
ObjectInputStream in = new ObjectInputStream(new FileInputStream(f));
RuleBase rb_ = (RuleBase) in.readObject();
System.err.println(
"Time taken de-serializing rulebase: " + (System.currentTimeMillis() - time));
}
@Test
public void testDebug() throws Exception {
String rule =
"package com.sample; dialect \"mvel\" rule myRule when then\n System.out.println( \"test\" ); end";
PackageBuilder builder = new PackageBuilder();
DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
PackageDescr packageDescr = parser.parse(rule);
RuleDescr ruleDescr = packageDescr.getRules().get(0);
builder = new PackageBuilder();
builder.addPackage(packageDescr);
Package pkg = builder.getPackage();
MVELConsequence consequence = (MVELConsequence) pkg.getRule("myRule").getConsequence();
String sourceName = ((CompiledExpression) consequence.getCompExpr()).getSourceName();
System.out.println(sourceName);
String ruleName = ruleDescr.getNamespace() + "." + ruleDescr.getClassName();
System.out.println(ruleName);
assertEquals(sourceName, ruleName);
}
@Test
public void testRemoveIdentitiesSubNetwork() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(
getClass().getResourceAsStream("test_removeIdentitiesSubNetwork.drl")));
final Package pkg = builder.getPackage();
final RuleBaseConfiguration config = new RuleBaseConfiguration();
config.setRemoveIdentities(true);
RuleBase ruleBase = getRuleBase(config);
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final Person bob = new Person("bob", "stilton");
workingMemory.insert(bob);
final Person mark = new Person("mark", "stilton");
workingMemory.insert(mark);
final Cheese stilton1 = new Cheese("stilton", 6);
final FactHandle stilton1Handle = workingMemory.insert(stilton1);
final Cheese stilton2 = new Cheese("stilton", 7);
final FactHandle stilton2Handle = workingMemory.insert(stilton2);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.retract(stilton1Handle);
workingMemory.fireAllRules();
assertEquals(1, list.size());
assertEquals(mark, list.get(0));
workingMemory.retract(stilton2Handle);
workingMemory.fireAllRules();
assertEquals(2, list.size());
assertEquals(bob, list.get(1));
}
@Test
public void testCollectWithContainsOperators() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_CollectContainsOperator.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final Order order1 = new Order(1, "bob");
final OrderItem item11 = new OrderItem(order1, 1);
final OrderItem item12 = new OrderItem(order1, 2);
final Order order2 = new Order(2, "mark");
final OrderItem item21 = new OrderItem(order2, 1);
final OrderItem item22 = new OrderItem(order2, 2);
workingMemory.insert(order1);
workingMemory.insert(item11);
workingMemory.insert(item12);
workingMemory.insert(order2);
workingMemory.insert(item21);
workingMemory.insert(item22);
workingMemory.fireAllRules();
int index = 0;
assertEquals(8, list.size());
assertSame(order1, list.get(index++));
assertSame(item11, list.get(index++));
assertSame(order2, list.get(index++));
assertSame(item21, list.get(index++));
assertSame(order1, list.get(index++));
assertSame(item11, list.get(index++));
assertSame(order2, list.get(index++));
assertSame(item21, list.get(index++));
}
@Test
public void testExistsWithBinding() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_ExistsWithBindings.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final Cheese c = new Cheese("stilton", 10);
final Person p = new Person("Mark", "stilton");
workingMemory.insert(c);
workingMemory.insert(p);
workingMemory.fireAllRules();
assertTrue(list.contains(c.getType()));
assertEquals(1, list.size());
}
@Test
public void testExists2() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_exists.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("list", list);
final Cheese cheddar = new Cheese("cheddar", 7);
final Cheese provolone = new Cheese("provolone", 5);
final Person edson = new Person("Edson", "cheddar");
final Person bob = new Person("Bob", "muzzarela");
workingMemory.insert(cheddar);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.insert(provolone);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.insert(edson);
workingMemory.fireAllRules();
assertEquals(1, list.size());
workingMemory.insert(bob);
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
@Test
public void test3() throws Exception {
String process1 =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n"
+ "\n"
+ " <header>\n"
+ " <imports>\n"
+ " <import name=\"org.jbpm.integrationtests.test.Person\" />\n"
+ " </imports>\n"
+ " <swimlanes>\n"
+ " <swimlane name=\"swimlane\" />\n"
+ " </swimlanes>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <end id=\"4\" name=\"End\" />\n"
+ " <split id=\"5\" name=\"AND\" type=\"1\" />\n"
+ " <subProcess id=\"6\" name=\"SubProcess\" processId=\"com.sample.subflow\" />\n"
+ " <actionNode id=\"7\" name=\"Action\" >\n"
+ " <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Executing action 1\");</action>\n"
+ " </actionNode>\n"
+ " <join id=\"8\" name=\"AND\" type=\"1\" />\n"
+ " <actionNode id=\"9\" name=\"Action\" >\n"
+ " <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Executing action 2\");</action>\n"
+ " </actionNode>\n"
+ " <ruleSet id=\"10\" name=\"RuleSet\" ruleFlowGroup=\"flowgroup\" />\n"
+ " <milestone id=\"11\" name=\"Event Wait\" >\n"
+ " <constraint type=\"rule\" dialect=\"mvel\" >Person( )</constraint>\n"
+ " </milestone>\n"
+ " <workItem id=\"12\" name=\"Log\" >\n"
+ " <work name=\"Log\" >\n"
+ " <parameter name=\"Message\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>This is a log message</value>\n"
+ " </parameter>\n"
+ " </work>\n"
+ " </workItem>\n"
+ " <composite id=\"13\" name=\"CompositeNode\" >\n"
+ " <variables>\n"
+ " <variable name=\"x\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>x-value</value>\n"
+ " </variable>\n"
+ " </variables>\n"
+ " <nodes>\n"
+ " <humanTask id=\"1\" name=\"Human Task\" swimlane=\"swimlane\" >\n"
+ " <work name=\"Human Task\" >\n"
+ " <parameter name=\"ActorId\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>John Doe</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something !</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " </work>\n"
+ " </humanTask>\n"
+ " <humanTask id=\"2\" name=\"Human Task\" swimlane=\"swimlane\" >\n"
+ " <work name=\"Human Task\" >\n"
+ " <parameter name=\"ActorId\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something else !</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " </work>\n"
+ " <mapping type=\"in\" from=\"x\" to=\"Priority\" />\n"
+ " </humanTask>\n"
+ " </nodes>\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"2\" />\n"
+ " </connections>\n"
+ " <in-ports>\n"
+ " <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n"
+ " </in-ports>\n"
+ " <out-ports>\n"
+ " <out-port type=\"DROOLS_DEFAULT\" nodeId=\"2\" nodeOutType=\"DROOLS_DEFAULT\" />\n"
+ " </out-ports>\n"
+ " </composite>\n"
+ " </nodes>\n"
+ "\n"
+ " <connections>\n"
+ " <connection from=\"9\" to=\"4\" />\n"
+ " <connection from=\"1\" to=\"5\" />\n"
+ " <connection from=\"5\" to=\"6\" />\n"
+ " <connection from=\"5\" to=\"7\" />\n"
+ " <connection from=\"7\" to=\"8\" />\n"
+ " <connection from=\"6\" to=\"8\" />\n"
+ " <connection from=\"10\" to=\"8\" />\n"
+ " <connection from=\"11\" to=\"8\" />\n"
+ " <connection from=\"12\" to=\"8\" />\n"
+ " <connection from=\"13\" to=\"8\" />\n"
+ " <connection from=\"8\" to=\"9\" />\n"
+ " <connection from=\"5\" to=\"10\" />\n"
+ " <connection from=\"5\" to=\"11\" />\n"
+ " <connection from=\"5\" to=\"12\" />\n"
+ " <connection from=\"5\" to=\"13\" />\n"
+ " </connections>\n"
+ "\n"
+ "</process>\n";
final PackageBuilder builder = new PackageBuilder();
builder.addProcessFromXml(new StringReader(process1));
String process2 =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"flow\" id=\"com.sample.subflow\" package-name=\"com.sample\" >\n"
+ "\n"
+ " <header>\n"
+ " <imports>\n"
+ " <import name=\"org.jbpm.integrationtests.test.Person\" />\n"
+ " </imports>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <milestone id=\"2\" name=\"Event Wait\" >\n"
+ " <constraint type=\"rule\" dialect=\"mvel\" >Person( )</constraint>\n"
+ " </milestone>\n"
+ " <end id=\"3\" name=\"End\" />\n"
+ " </nodes>\n"
+ "\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"2\" />\n"
+ " <connection from=\"2\" to=\"3\" />\n"
+ " </connections>\n"
+ "\n"
+ "</process>\n";
builder.addProcessFromXml(new StringReader(process2));
String rule =
"package com.sample\n"
+ "import org.jbpm.integrationtests.test.Person;\n"
+ "rule \"Hello\" ruleflow-group \"flowgroup\"\n"
+ " when\n"
+ " then\n"
+ " System.out.println( \"Hello\" );\n"
+ "end";
builder.addPackageFromDrl(new StringReader(rule));
final Package pkg = builder.getPackage();
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(pkg);
StatefulSession session = ruleBase.newStatefulSession();
TestWorkItemHandler handler1 = new TestWorkItemHandler();
session.getWorkItemManager().registerWorkItemHandler("Log", handler1);
TestWorkItemHandler handler2 = new TestWorkItemHandler();
session.getWorkItemManager().registerWorkItemHandler("Human Task", handler2);
session.startProcess("com.sample.ruleflow");
assertEquals(2, session.getProcessInstances().size());
assertTrue(handler1.getWorkItem() != null);
long workItemId = handler2.getWorkItem().getId();
assertTrue(workItemId != -1);
session = getSerialisedStatefulSession(session);
session.getWorkItemManager().registerWorkItemHandler("Human Task", handler2);
assertEquals(2, session.getProcessInstances().size());
handler2.reset();
session.getWorkItemManager().completeWorkItem(workItemId, null);
assertTrue(handler2.getWorkItem() != null);
assertEquals("John Doe", handler2.getWorkItem().getParameter("ActorId"));
assertEquals("x-value", handler2.getWorkItem().getParameter("Priority"));
session.getWorkItemManager().completeWorkItem(handler1.getWorkItem().getId(), null);
session.getWorkItemManager().completeWorkItem(handler2.getWorkItem().getId(), null);
session.insert(new Person());
session.fireAllRules();
assertEquals(0, session.getProcessInstances().size());
}
@Test
public void test5() throws Exception {
String process =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n"
+ "\n"
+ " <header>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <timerNode id=\"4\" name=\"Timer\" delay=\"200\" />\n"
+ " <end id=\"3\" name=\"End\" />\n"
+ " </nodes>\n"
+ "\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"4\" />\n"
+ " <connection from=\"4\" to=\"3\" />\n"
+ " </connections>\n"
+ "\n"
+ "</process>\n";
final PackageBuilder builder = new PackageBuilder();
builder.addProcessFromXml(new StringReader(process));
final Package pkg = builder.getPackage();
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(pkg);
final StatefulSession session = ruleBase.newStatefulSession();
new Thread(
new Runnable() {
public void run() {
session.fireUntilHalt();
}
})
.start();
session.startProcess("com.sample.ruleflow", null);
assertEquals(1, session.getProcessInstances().size());
session.halt();
final StatefulSession session2 = getSerialisedStatefulSession(session);
new Thread(
new Runnable() {
public void run() {
session2.fireUntilHalt();
}
})
.start();
Thread.sleep(400);
assertEquals(0, session2.getProcessInstances().size());
session2.halt();
}
@Test
public void testVariablePersistenceMarshallingStrategies() throws Exception {
String process =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"ruleflow\" id=\"org.test.ruleflow\" package-name=\"org.test\" >\n"
+ " <header>\n"
+ " <variables>\n"
+ " <variable name=\"myVariable\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>OldValue</value>\n"
+ " </variable>\n"
+ " <variable name=\"myPerson\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.ObjectDataType\" className=\"org.jbpm.integrationtests.test.Person\"/>\n"
+ " </variable>\n"
+ " </variables>\n"
+ " </header>\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <workItem id=\"2\" name=\"Email\" >\n"
+ " <work name=\"Report\" >\n"
+ " <parameter name=\"Subject\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Mail</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Subject\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Mail</value>\n"
+ " </parameter>\n"
+ " </work>\n"
+ " </workItem>\n"
+ " <end id=\"3\" name=\"End\" />\n"
+ " </nodes>\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"2\"/>\n"
+ " <connection from=\"2\" to=\"3\"/>\n"
+ " </connections>\n"
+ "</process>";
final PackageBuilder builder = new PackageBuilder();
builder.addProcessFromXml(new StringReader(process));
final Package pkg = builder.getPackage();
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(pkg);
StatefulSession session = ruleBase.newStatefulSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
session.getWorkItemManager().registerWorkItemHandler("Report", handler);
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("myVariable", "ThisIsMyValue");
Person myPerson = new Person("Nikola Tesla", 156);
variables.put("myPerson", myPerson);
session.startProcess("org.test.ruleflow", variables);
assertEquals(1, session.getProcessInstances().size());
assertTrue(handler.getWorkItem() != null);
session = getSerialisedStatefulSession(session);
assertEquals(1, session.getProcessInstances().size());
VariableScopeInstance variableScopeInstance =
(VariableScopeInstance)
((ProcessInstance) session.getProcessInstances().iterator().next())
.getContextInstance(VariableScope.VARIABLE_SCOPE);
assertEquals("ThisIsMyValue", variableScopeInstance.getVariable("myVariable"));
assertEquals(myPerson, variableScopeInstance.getVariable("myPerson"));
session.getWorkItemManager().completeWorkItem(handler.getWorkItem().getId(), null);
assertEquals(0, session.getProcessInstances().size());
}
@Test
public void test6() throws Exception {
String process =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n"
+ "\n"
+ " <header>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <timerNode id=\"4\" name=\"Timer\" delay=\"200\" />\n"
+ " <end id=\"3\" name=\"End\" />\n"
+ " </nodes>\n"
+ "\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"4\" />\n"
+ " <connection from=\"4\" to=\"3\" />\n"
+ " </connections>\n"
+ "\n"
+ "</process>\n";
final PackageBuilder builder = new PackageBuilder();
builder.addProcessFromXml(new StringReader(process));
final Package pkg = builder.getPackage();
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(pkg);
final StatefulSession session = ruleBase.newStatefulSession();
new Thread(
new Runnable() {
public void run() {
session.fireUntilHalt();
}
})
.start();
session.startProcess("com.sample.ruleflow", null);
assertEquals(1, session.getProcessInstances().size());
StatefulKnowledgeSession ksession =
new StatefulKnowledgeSessionImpl((ReteooWorkingMemory) session);
Marshaller marshaller = MarshallerFactory.newMarshaller(ksession.getKieBase());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
marshaller.marshall(baos, ksession);
byte[] b1 = baos.toByteArray();
session.halt();
session.dispose();
Thread.sleep(400);
ByteArrayInputStream bais = new ByteArrayInputStream(b1);
final StatefulSession session2 =
(StatefulSession) ((StatefulKnowledgeSessionImpl) marshaller.unmarshall(bais)).session;
new Thread(
new Runnable() {
public void run() {
session2.fireUntilHalt();
}
})
.start();
Thread.sleep(100);
assertEquals(0, session2.getProcessInstances().size());
session2.halt();
}
@Test
public void test4() throws Exception {
String process =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n"
+ "\n"
+ " <header>\n"
+ " <variables>\n"
+ " <variable name=\"list\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.ObjectDataType\" className=\"java.util.List\" />\n"
+ " </variable>\n"
+ " </variables>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <forEach id=\"4\" name=\"ForEach\" variableName=\"item\" collectionExpression=\"list\" >\n"
+ " <nodes>\n"
+ " <humanTask id=\"1\" name=\"Human Task\" >\n"
+ " <work name=\"Human Task\" >\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"ActorId\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something: #{item}</value>\n"
+ " </parameter>\n"
+ " </work>\n"
+ " </humanTask>\n"
+ " <humanTask id=\"2\" name=\"Human Task Again\" >\n"
+ " <work name=\"Human Task\" >\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"ActorId\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something else: #{item}</value>\n"
+ " </parameter>\n"
+ " </work>\n"
+ " </humanTask>\n"
+ " </nodes>\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"2\" />\n"
+ " </connections>\n"
+ " <in-ports>\n"
+ " <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n"
+ " </in-ports>\n"
+ " <out-ports>\n"
+ " <out-port type=\"DROOLS_DEFAULT\" nodeId=\"2\" nodeOutType=\"DROOLS_DEFAULT\" />\n"
+ " </out-ports>\n"
+ " </forEach>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <end id=\"3\" name=\"End\" />\n"
+ " </nodes>\n"
+ "\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"4\" />\n"
+ " <connection from=\"4\" to=\"3\" />\n"
+ " </connections>\n"
+ "\n"
+ "</process>\n";
final PackageBuilder builder = new PackageBuilder();
builder.addProcessFromXml(new StringReader(process));
final Package pkg = builder.getPackage();
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(pkg);
StatefulSession session = ruleBase.newStatefulSession();
TestListWorkItemHandler handler = new TestListWorkItemHandler();
session.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
List<String> list = new ArrayList<String>();
list.add("one");
list.add("two");
list.add("three");
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("list", list);
session.startProcess("com.sample.ruleflow", parameters);
assertEquals(1, session.getProcessInstances().size());
assertEquals(3, handler.getWorkItems().size());
// session = getSerialisedStatefulSession( session );
// session.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
List<WorkItem> workItems = new ArrayList<WorkItem>(handler.getWorkItems());
handler.reset();
for (WorkItem workItem : workItems) {
session.getWorkItemManager().completeWorkItem(workItem.getId(), null);
}
assertEquals(1, session.getProcessInstances().size());
assertEquals(3, handler.getWorkItems().size());
session = getSerialisedStatefulSession(session);
for (WorkItem workItem : handler.getWorkItems()) {
session.getWorkItemManager().completeWorkItem(workItem.getId(), null);
}
assertEquals(0, session.getProcessInstances().size());
}