Examples with InternalFactHandle org.drools.core.common.InternalFactHandle used on opensource projects

Example 31 with InternalFactHandle

use of org.drools.core.common.InternalFactHandle in project drools by kiegroup.

the class MVELEvalBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("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();
    MockLeftTupleSink sink = new MockLeftTupleSink();
    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 32 with InternalFactHandle

use of org.drools.core.common.InternalFactHandle 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);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, null, 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(new DefaultKnowledgeHelper(item, ksession), context.getRule(), ksession));
}

Example 33 with InternalFactHandle

use of org.drools.core.common.InternalFactHandle in project drools by kiegroup.

the class WorkingMemoryLogger method extractFactHandleIds.

private String extractFactHandleIds(Activation activation) {
    InternalFactHandle activatingFact = activation.getPropagationContext().getFactHandle();
    StringBuilder sb = new StringBuilder();
    if (activatingFact != null) {
        sb.append(activatingFact.getId());
    }
    InternalFactHandle[] factHandles = activation.getTuple().toFactHandles();
    for (int i = 0; i < factHandles.length; i++) {
        if (activatingFact != null) {
            if (activatingFact.getId() == factHandles[i].getId()) {
                continue;
            }
            sb.append(",");
        } else {
            if (i > 0) {
                sb.append(",");
            }
        }
        sb.append(factHandles[i].getId());
    }
    return sb.toString();
}

Example 34 with InternalFactHandle

use of org.drools.core.common.InternalFactHandle in project drools by kiegroup.

the class DefaultKnowledgeHelper method update.

public void update(final FactHandle handle, BitMask mask, Class<?> modifiedClass) {
    InternalFactHandle h = (InternalFactHandle) handle;
    if (h.getDataSource() != null) {
        // This handle has been insert from a datasource, so update it
        h.getDataSource().update(h, ((InternalFactHandle) handle).getObject(), mask, modifiedClass, this.activation);
        return;
    }
    ((InternalWorkingMemoryEntryPoint) h.getEntryPoint()).update(h, ((InternalFactHandle) handle).getObject(), mask, modifiedClass, this.activation);
    if (h.isTraitOrTraitable()) {
        workingMemory.updateTraits(h, mask, modifiedClass, this.activation);
    }
}

Example 35 with InternalFactHandle

use of org.drools.core.common.InternalFactHandle in project drools by kiegroup.

the class TraitHelper method update.

public void update(final FactHandle handle, BitMask mask, Class<?> modifiedClass, Activation activation) {
    InternalFactHandle h = (InternalFactHandle) handle;
    ((NamedEntryPoint) h.getEntryPoint()).update(h, ((InternalFactHandle) handle).getObject(), mask, modifiedClass, activation);
    if (h.isTraitOrTraitable()) {
        workingMemory.updateTraits(h, mask, modifiedClass, activation);
    }
}