Examples with RuleDescr org.drools.drl.ast.descr.RuleDescr used on opensource projects

Example 31 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderTest method createPredicateRule.

private void createPredicateRule(final PackageDescr packageDescr, final String expression) {
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    final PatternDescr pattern = new PatternDescr(Cheese.class.getName(), "stilton");
    lhs.addDescr(pattern);
    final BindingDescr fieldBindingDescr = new BindingDescr("x", "price");
    pattern.addConstraint(fieldBindingDescr);
    final BindingDescr fieldBindingDescr2 = new BindingDescr("y", "price");
    pattern.addConstraint(fieldBindingDescr2);
    packageDescr.addGlobal(new GlobalDescr("map", "java.util.Map"));
    pattern.addConstraint(new ExprConstraintDescr(expression));
    ruleDescr.setConsequence("update(stilton);");
}

Example 32 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderTest method testSerializable.

@Test
public void testSerializable() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    packageDescr.addGlobal(new GlobalDescr("map", "java.util.Map"));
    ruleDescr.setConsequence("map.put(\"value\", new Integer(1) );");
    // check that packageDescr is serializable
    final PackageDescr back = (PackageDescr) SerializationHelper.serializeObject(packageDescr);
    assertNotNull(back);
    assertEquals("p1", back.getName());
    builder.addPackage(packageDescr);
    InternalKnowledgePackage pkg = builder.getPackage(packageDescr.getName());
    final RuleImpl rule = pkg.getRule("rule-1");
    assertLength(0, builder.getErrors().getErrors());
    InternalKnowledgePackage newPkg = SerializationHelper.serializeObject(pkg);
    final RuleImpl newRule = newPkg.getRule("rule-1");
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    ;
    // It's been serialised so we have to simulate the re-wiring process
    newPkg.getDialectRuntimeRegistry().onAdd(kBase.getRootClassLoader());
    newPkg.getDialectRuntimeRegistry().onBeforeExecute();
    kBase.getGlobals().put("map", Map.class);
    final KieSession workingMemory = kBase.newKieSession();
    final HashMap map = new HashMap();
    workingMemory.setGlobal("map", map);
    final LeftTupleImpl tuple = new MockTuple(new HashMap());
    tuple.setLeftTupleSink(new RuleTerminalNode(1, new MockBetaNode(), newRule, newRule.getLhs(), 0, new BuildContext(kBase, Collections.emptyList())));
    final Activation activation = new MockActivation(newRule, 0, newRule.getLhs(), tuple);
    final DefaultKnowledgeHelper knowledgeHelper = new DefaultKnowledgeHelper(((StatefulKnowledgeSessionImpl) workingMemory));
    knowledgeHelper.setActivation(activation);
    newRule.getConsequence().evaluate(knowledgeHelper, ((StatefulKnowledgeSessionImpl) workingMemory));
    assertEquals(new Integer(1), map.get("value"));
}

Example 33 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class PackageBuilderConfigurationTest method testMockDialect.

@Test
public void testMockDialect() {
    InternalKnowledgePackage pkg = CoreComponentFactory.get().createKnowledgePackage("org.pkg1");
    KnowledgeBuilderConfigurationImpl cfg1 = new KnowledgeBuilderConfigurationImpl();
    MockDialectConfiguration mockConf = new MockDialectConfiguration();
    // cfg1.buildDialectRegistry().addDialect( "mock",
    // mockConf.getDialect() );
    cfg1.addDialect("mock", mockConf);
    cfg1.setDefaultDialect("mock");
    KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(pkg, cfg1);
    PackageRegistry pkgRegistry = builder.getPackageRegistry(pkg.getName());
    DialectCompiletimeRegistry dialectRegistry = pkgRegistry.getDialectCompiletimeRegistry();
    MockDialect mockDialect2 = (MockDialect) dialectRegistry.getDialect(cfg1.getDefaultDialect());
    assertSame(pkg, mockDialect2.getPkg());
    assertNull(mockDialect2.getRuleDescr());
    RuleDescr ruleDescr = new RuleDescr("test rule");
    ruleDescr.addAttribute(new AttributeDescr("dialect", "mock"));
    ruleDescr.setLhs(new AndDescr());
    EvalDescr evalDescr = new EvalDescr();
    ruleDescr.getLhs().addDescr(evalDescr);
    PackageDescr pkgDescr = new PackageDescr("org.pkg1");
    pkgDescr.addImport(new ImportDescr("java.util.HashMap"));
    FunctionImportDescr functionImportDescr = new FunctionImportDescr();
    functionImportDescr.setTarget("java.lang.System.currentTimeMillis");
    pkgDescr.addFunctionImport(functionImportDescr);
    pkgDescr.addRule(ruleDescr);
    builder.addPackage(pkgDescr);
    assertSame(ruleDescr, mockDialect2.getRuleDescr());
    assertTrue(mockDialect2.getImport().contains("java.util.HashMap"));
    assertTrue(mockDialect2.getStaticImport().contains("java.lang.System.currentTimeMillis"));
    assertEquals("eval was built", evalDescr.getContent());
    assertEquals("consequence was built", ruleDescr.getConsequence());
    assertTrue(mockDialect2.isCompileAll());
    assertNotNull(pkg.getRule("test rule"));
    // make sure there were no other general errors.
    assertFalse(builder.hasErrors());
}

Example 34 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderTest method createEvalRule.

private void createEvalRule(final PackageDescr packageDescr, final String expression) {
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    packageDescr.addGlobal(new GlobalDescr("map", "java.util.Map"));
    final EvalDescr evalDescr = new EvalDescr(expression);
    lhs.addDescr(evalDescr);
    ruleDescr.setConsequence("");
}

Example 35 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderTest method createLiteralRule.

private void createLiteralRule(final BaseDescr descr) {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    final PatternDescr pattern = new PatternDescr(Primitives.class.getName());
    lhs.addDescr(pattern);
    pattern.addConstraint(descr);
    ruleDescr.setConsequence("");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
}