Examples with LeftTupleImpl org.drools.core.reteoo.LeftTupleImpl used on opensource projects

Example 26 with LeftTupleImpl

use of org.drools.core.reteoo.LeftTupleImpl in project drools by kiegroup.

the class MVELAccumulateBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
    pkgBuilder.addPackage(new PackageDescr("pkg1"));
    InternalKnowledgePackage pkg = pkgBuilder.getPackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final AccumulateDescr accDescr = new AccumulateDescr();
    final PatternDescr inputPattern = new PatternDescr("org.drools.compiler.Cheese", "$cheese");
    accDescr.setInputPattern(inputPattern);
    accDescr.setInitCode("total = 0;");
    accDescr.setActionCode("total += $cheese.price;");
    accDescr.setReverseCode("total -= $cheese.price;");
    accDescr.setResultCode("new Integer(total)");
    final MVELAccumulateBuilder builder = new MVELAccumulateBuilder();
    final Accumulate acc = (Accumulate) builder.build(context, accDescr);
    ((MVELCompileable) acc.getAccumulators()[0]).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    MockLeftTupleSink sink = new MockLeftTupleSink();
    final Cheese cheddar1 = new Cheese("cheddar", 10);
    final Cheese cheddar2 = new Cheese("cheddar", 8);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(new InitialFactImpl());
    final InternalFactHandle f1 = (InternalFactHandle) ksession.insert(cheddar1);
    final InternalFactHandle f2 = (InternalFactHandle) ksession.insert(cheddar2);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, sink, true);
    Object wmContext = acc.createWorkingMemoryContext();
    Object accContext = acc.createContext();
    acc.init(wmContext, accContext, tuple, ksession);
    acc.accumulate(wmContext, accContext, tuple, f1, ksession);
    acc.accumulate(wmContext, accContext, tuple, f2, ksession);
    assertEquals(new Integer(18), acc.getResult(wmContext, accContext, tuple, ksession));
    acc.reverse(wmContext, accContext, tuple, f1, ksession);
    assertEquals(new Integer(8), acc.getResult(wmContext, accContext, tuple, ksession));
}

Example 27 with LeftTupleImpl

use of org.drools.core.reteoo.LeftTupleImpl in project drools by kiegroup.

the class BaseLeftTuplesBuilder method update.

public T update(Object... objects) {
    this.testStagedUpdate = true;
    if (objects == null) {
        objects = new Object[0];
    }
    for (int i = 0; i < objects.length; i++) {
        if (!(objects[i] instanceof Pair)) {
            Object o1 = objects[i];
            InternalFactHandle fh1 = (InternalFactHandle) wm.getFactHandle(o1);
            LeftTuple leftTuple = new LeftTupleImpl(fh1, sink, true);
            leftTuples.addUpdate(leftTuple);
        } else {
            Pair p = (Pair) objects[i];
            InternalFactHandle fh1 = (InternalFactHandle) wm.getFactHandle(p.getO1());
            LeftTuple leftTuple1 = new LeftTupleImpl(fh1, sink, true);
            InternalFactHandle fh2 = (InternalFactHandle) wm.getFactHandle(p.getO2());
            LeftTuple leftTuple2 = sink.createLeftTuple(leftTuple1, new RightTupleImpl(fh2), sink);
            leftTuples.addUpdate(leftTuple2);
        }
    }
    return (T) this;
}

Example 28 with LeftTupleImpl

use of org.drools.core.reteoo.LeftTupleImpl 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 = RuntimeComponentFactory.get().getPropagationContextFactory();
    kBase.addPackage(pkg);
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    MockTupleSource source = new MockTupleSource(1, buildContext);
    source.setObjectCount(1);
    RuleTerminalNode rtn = new RuleTerminalNode(0, source, context.getRule(), subrule, 0, buildContext);
    final Cheese cheddar = new Cheese("cheddar", 10);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, rtn, true);
    f0.removeLeftTuple(tuple);
    final AgendaItem item = new AgendaItemImpl(0, tuple, 10, pctxFactory.createPropagationContext(1, PropagationContext.Type.DELETION, null, null, null), rtn, 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());
}

Example 29 with LeftTupleImpl

use of org.drools.core.reteoo.LeftTupleImpl in project drools by kiegroup.

the class MVELEvalBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    InternalKnowledgePackage pkg = CoreComponentFactory.get().createKnowledgePackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
    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 InternalReadAccessor extractor = store.getReader(Cheese.class, "price");
    final Pattern pattern = new Pattern(0, new ClassObjectType(int.class));
    final Declaration declaration = new Declaration("a", extractor, pattern);
    final Map map = new HashMap();
    map.put("a", declaration);
    declarationResolver.setDeclarations(map);
    context.setDeclarationResolver(declarationResolver);
    final EvalDescr evalDescr = new EvalDescr();
    evalDescr.setContent("a == 10");
    final MVELEvalBuilder builder = new MVELEvalBuilder();
    final EvalCondition eval = (EvalCondition) builder.build(context, evalDescr);
    ((MVELEvalExpression) eval.getEvalExpression()).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    org.drools.core.reteoo.MockLeftTupleSink sink = new MockLeftTupleSink(buildContext);
    MockTupleSource source = new MockTupleSource(1, buildContext);
    source.setObjectCount(1);
    sink.setLeftTupleSource(source);
    final Cheese cheddar = new Cheese("cheddar", 10);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, sink, true);
    f0.removeLeftTuple(tuple);
    Object evalContext = eval.createContext();
    assertTrue(eval.isAllowed(tuple, ksession, evalContext));
    cheddar.setPrice(9);
    ksession.update(f0, cheddar);
    assertFalse(eval.isAllowed(tuple, ksession, evalContext));
}

Example 30 with LeftTupleImpl

use of org.drools.core.reteoo.LeftTupleImpl in project drools by kiegroup.

the class MVELSalienceBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    final Person p = new Person("mark", "", 31);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(p);
    MockLeftTupleSink sink = new MockLeftTupleSink(buildContext);
    MockTupleSource source = new MockTupleSource(1, buildContext);
    source.setObjectCount(1);
    sink.setLeftTupleSource(source);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, sink, true);
    RuleTerminalNode rtn = new RuleTerminalNode();
    rtn.setSalienceDeclarations(context.getDeclarationResolver().getDeclarations(context.getRule()).values().toArray(new Declaration[1]));
    AgendaItem item = new AgendaItemImpl(0, tuple, 0, null, rtn, null);
    assertEquals(25, context.getRule().getSalience().getValue(item, context.getRule(), ksession));
}