use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.
the class KieBaseUpdater method run.
@Override
public void run() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(ctx.kBase, ctx.newKM.getBuilderConfiguration(ctx.newKieBaseModel));
KnowledgeBuilderImpl pkgbuilder = (KnowledgeBuilderImpl) kbuilder;
CompositeKnowledgeBuilder ckbuilder = kbuilder.batch();
boolean shouldRebuild = applyResourceChanges(pkgbuilder, ckbuilder);
// remove resources first
for (ResourceChangeSet rcs : ctx.cs.getChanges().values()) {
if (rcs.getChangeType() == ChangeType.REMOVED) {
String resourceName = rcs.getResourceName();
if (!resourceName.endsWith(".properties") && isFileInKBase(ctx.currentKM, ctx.currentKieBaseModel, resourceName)) {
pkgbuilder.removeObjectsGeneratedFromResource(ctx.currentKM.getResource(resourceName));
}
}
}
// remove all ObjectTypeNodes for the modified classes
if (ctx.modifyingUsedClass) {
for (Class<?> cls : ctx.modifiedClasses) {
clearInstancesOfModifiedClass(cls);
}
}
if (shouldRebuild) {
// readd unchanged dsl files to the kbuilder
for (String dslFile : ctx.unchangedResources) {
if (isFileInKBase(ctx.newKM, ctx.newKieBaseModel, dslFile)) {
ctx.newKM.addResourceToCompiler(ckbuilder, ctx.newKieBaseModel, dslFile);
}
}
rebuildAll(pkgbuilder, ckbuilder);
}
ctx.kBase.setResolvedReleaseId(ctx.newReleaseId);
for (InternalWorkingMemory wm : ctx.kBase.getWorkingMemories()) {
wm.notifyWaitOnRest();
}
}
use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.
the class RuleBuilderTest method testBuildMetaAttributes.
@Test
public void testBuildMetaAttributes() throws Exception {
// creates mock objects
final RuleBuildContext context = mock(RuleBuildContext.class);
final RuleImpl rule = mock(RuleImpl.class);
// creates input object
final RuleDescr ruleDescr = new RuleDescr("my rule");
ruleDescr.addAnnotation("ruleId", "123");
ruleDescr.addAnnotation("author", "Bob Doe");
ruleDescr.addAnnotation("text", "\"It's a quoted\\\" string\"");
// creates expected results
// defining expectations on the mock object
when(context.getRule()).thenReturn(rule);
when(context.getRuleDescr()).thenReturn(ruleDescr);
when(context.getKnowledgeBuilder()).thenReturn(new KnowledgeBuilderImpl());
// calling the build method
RuleBuilder.buildMetaAttributes(context);
// check expectations
verify(rule).addMetaAttribute("ruleId", 123);
verify(rule).addMetaAttribute("author", "Bob Doe");
verify(rule).addMetaAttribute("text", "It's a quoted\" string");
}
use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.
the class RuleBuilderTest method testBuildBigDecimalLiteralConstraint.
@Test
public void testBuildBigDecimalLiteralConstraint() throws Exception {
final PackageDescr pkgDescr = new PackageDescr("org.drools");
final RuleDescr ruleDescr = new RuleDescr("Test Rule");
AndDescr andDescr = new AndDescr();
PatternDescr patDescr = new PatternDescr("java.math.BigDecimal", "$bd");
ExprConstraintDescr fcd = new ExprConstraintDescr("this == 10");
patDescr.addConstraint(fcd);
andDescr.addDescr(patDescr);
ruleDescr.setLhs(andDescr);
ruleDescr.setConsequence("");
pkgDescr.addRule(ruleDescr);
final KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl();
kBuilder.addPackage(pkgDescr);
assertTrue(kBuilder.getErrors().toString(), kBuilder.getErrors().isEmpty());
final RuleImpl rule = kBuilder.getPackages()[0].getRule("Test Rule");
final GroupElement and = rule.getLhs();
final Pattern pat = (Pattern) and.getChildren().get(0);
if (pat.getConstraints().get(0) instanceof MvelConstraint) {
final MvelConstraint fc = (MvelConstraint) pat.getConstraints().get(0);
assertTrue("Wrong class. Expected java.math.BigDecimal. Found: " + fc.getField().getValue().getClass(), fc.getField().getValue() instanceof BigDecimal);
}
}
use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.
the class RuleBuilderTest method testBuild.
@Test
public void testBuild() throws Exception {
final DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
final KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl();
kBuilder.addPackage(new PackageDescr("org.drools"));
InternalKnowledgePackage pkg = kBuilder.getPackage("org.drools");
final PackageDescr pkgDescr = parser.parse(new InputStreamReader(getClass().getResourceAsStream("nestedConditionalElements.drl")));
// just checking there is no parsing errors
assertFalse(parser.getErrors().toString(), parser.hasErrors());
pkg.addGlobal("results", List.class);
final RuleDescr ruleDescr = pkgDescr.getRules().get(0);
final String ruleClassName = "RuleClassName.java";
ruleDescr.setClassName(ruleClassName);
ruleDescr.addAttribute(new AttributeDescr("dialect", "java"));
kBuilder.addPackage(pkgDescr);
assertTrue(kBuilder.getErrors().toString(), kBuilder.getErrors().isEmpty());
final RuleImpl rule = kBuilder.getPackage("org.drools.compiler").getRule("test nested CEs");
assertEquals("There should be 2 rule level declarations", 2, rule.getDeclarations().size());
// second GE should be a not
final GroupElement not = (GroupElement) rule.getLhs().getChildren().get(1);
assertTrue(not.isNot());
// not has no outer declarations
assertTrue(not.getOuterDeclarations().isEmpty());
assertEquals(1, not.getInnerDeclarations().size());
assertTrue(not.getInnerDeclarations().keySet().contains("$state"));
// second not
final GroupElement not2 = (GroupElement) ((GroupElement) not.getChildren().get(0)).getChildren().get(1);
assertTrue(not2.isNot());
// not has no outer declarations
assertTrue(not2.getOuterDeclarations().isEmpty());
assertEquals(1, not2.getInnerDeclarations().size());
assertTrue(not2.getInnerDeclarations().keySet().contains("$likes"));
}
use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.
the class MVELConsequenceBuilderTest method testSimpleExpression.
@Test
public void testSimpleExpression() throws Exception {
PackageDescr pkgDescr = new PackageDescr("pkg1");
KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
pkgBuilder.addPackage(pkgDescr);
InternalKnowledgePackage pkg = pkgBuilder.getPackageRegistry("pkg1").getPackage();
final RuleDescr ruleDescr = new RuleDescr("rule 1");
ruleDescr.setNamespace("pkg1");
ruleDescr.setConsequence("modify (cheese) {price = 5 };\nretract (cheese)");
DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();
final ObjectType cheeseObjeectType = new ClassObjectType(Cheese.class);
final Pattern pattern = new Pattern(0, cheeseObjeectType, "cheese");
final GroupElement subrule = new GroupElement(GroupElement.AND);
subrule.addChild(pattern);
final Map<String, Declaration> map = new HashMap<String, Declaration>();
map.put("cheese", pattern.getDeclaration());
declarationResolver.setDeclarations(map);
context.setDeclarationResolver(declarationResolver);
final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
builder.build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
PropagationContextFactory pctxFactory = kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
kBase.addPackage(pkg);
StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
final Cheese cheddar = new Cheese("cheddar", 10);
final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
final LeftTupleImpl tuple = new LeftTupleImpl(f0, null, true);
f0.removeLeftTuple(tuple);
final AgendaItem item = new AgendaItemImpl(0, tuple, 10, pctxFactory.createPropagationContext(1, PropagationContext.Type.DELETION, null, tuple != null ? (TerminalNode) tuple.getTupleSink() : null, null), new RuleTerminalNode(0, new CompositeObjectSinkAdapterTest.MockBetaNode(), context.getRule(), subrule, 0, new BuildContext(kBase)), null);
final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper(ksession);
kbHelper.setActivation(item);
((MVELConsequence) context.getRule().getConsequence()).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
context.getRule().getConsequence().evaluate(kbHelper, ksession);
assertEquals(5, cheddar.getPrice());
}
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