private static void loadRuleFile() {
try {
ClassLoader classLoader = Steward.class.getClassLoader();
PackageBuilderConfiguration configuration = new PackageBuilderConfiguration(classLoader);
PackageBuilder builder = new PackageBuilder(configuration);
Reader rulesFile = new InputStreamReader(Steward.class.getResourceAsStream("../Steward.drl"));
builder.addPackageFromDrl(rulesFile);
Reader ruleFlowFile1 =
new InputStreamReader(Steward.class.getResourceAsStream("../ActionGeneration.rfm"));
Reader ruleFlowFile2 =
new InputStreamReader(Steward.class.getResourceAsStream("../ActionSelection.rfm"));
builder.addRuleFlow(ruleFlowFile1);
builder.addRuleFlow(ruleFlowFile2);
if (builder.hasErrors()) {
System.out.println(builder.getErrors().toString());
throw new RuntimeException("Unable to compile rule file.");
}
RuleBaseConfiguration ruleBaseConfiguration = new RuleBaseConfiguration(classLoader);
ruleBase = RuleBaseFactory.newRuleBase(ruleBaseConfiguration);
ruleBase.addPackage(builder.getPackage());
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
@Test
public void testDuplicateLocalVariableMVELConsequence() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(
getClass().getResourceAsStream("test_DuplicateLocalVariableMVELConsequence.drl")));
assertTrue(builder.hasErrors());
}
@Test
public void testLogicalInsertionsWithModify() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(
getClass().getResourceAsStream("test_LogicalInsertionsWithUpdate.drl")));
if (builder.hasErrors()) {
fail(builder.getErrors().toString());
}
final Package pkg = builder.getPackage();
RuleBase ruleBase = getRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
StatefulSession workingMemory = ruleBase.newStatefulSession();
List l;
final Person p = new Person("person");
p.setAge(2);
FactHandle h = workingMemory.insert(p);
assertEquals(1, IteratorToList.convert(workingMemory.iterateObjects()).size());
workingMemory.fireAllRules();
workingMemory = getSerialisedStatefulSession(workingMemory);
assertEquals(2, IteratorToList.convert(workingMemory.iterateObjects()).size());
l =
IteratorToList.convert(
workingMemory.iterateObjects(new ClassObjectFilter(CheeseEqual.class)));
assertEquals(1, l.size());
assertEquals(2, ((CheeseEqual) l.get(0)).getPrice());
h = getFactHandle(h, workingMemory);
workingMemory.retract(h);
workingMemory = getSerialisedStatefulSession(workingMemory);
assertEquals(0, IteratorToList.convert(workingMemory.iterateObjects()).size());
TruthMaintenanceSystem tms =
((InternalWorkingMemory) workingMemory).getTruthMaintenanceSystem();
final java.lang.reflect.Field field = tms.getClass().getDeclaredField("assertMap");
field.setAccessible(true);
final ObjectHashMap m = (ObjectHashMap) field.get(tms);
field.setAccessible(false);
assertEquals("assertMap should be empty", 0, m.size());
}
