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Example 11 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl 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));
}
Also used : ClassObjectType(org.drools.core.base.ClassObjectType) KnowledgeBuilderConfigurationImpl(org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl) HashMap(java.util.HashMap) MockLeftTupleSink(org.drools.compiler.reteoo.MockLeftTupleSink) Cheese(org.drools.compiler.Cheese) EvalCondition(org.drools.core.rule.EvalCondition) EvalDescr(org.drools.compiler.lang.descr.EvalDescr) InternalReadAccessor(org.drools.core.spi.InternalReadAccessor) LeftTupleImpl(org.drools.core.reteoo.LeftTupleImpl) Declaration(org.drools.core.rule.Declaration) InternalFactHandle(org.drools.core.common.InternalFactHandle) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) Pattern(org.drools.core.rule.Pattern) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) DialectCompiletimeRegistry(org.drools.compiler.compiler.DialectCompiletimeRegistry) MVELEvalExpression(org.drools.core.base.mvel.MVELEvalExpression) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) StatefulKnowledgeSessionImpl(org.drools.core.impl.StatefulKnowledgeSessionImpl) RuleDescr(org.drools.compiler.lang.descr.RuleDescr) KnowledgePackageImpl(org.drools.core.definitions.impl.KnowledgePackageImpl) HashMap(java.util.HashMap) Map(java.util.Map) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage) Test(org.junit.Test)

Example 12 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class MVELSalienceBuilderTest method setUp.

@Before
public void setUp() throws Exception {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    ruleDescr.addAttribute(new AttributeDescr("salience", "(p.age + 20)/2"));
    ruleDescr.setConsequence("");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();
    final ObjectType personObjeectType = new ClassObjectType(Person.class);
    final Pattern pattern = new Pattern(0, personObjeectType);
    final PatternExtractor extractor = new PatternExtractor(personObjeectType);
    final Declaration declaration = new Declaration("p", extractor, pattern);
    final Map<String, Declaration> map = new HashMap<String, Declaration>();
    map.put("p", declaration);
    declarationResolver.setDeclarations(map);
    context.setDeclarationResolver(declarationResolver);
    kBase = KnowledgeBaseFactory.newKnowledgeBase();
    SalienceBuilder salienceBuilder = new MVELSalienceBuilder();
    salienceBuilder.build(context);
    ((MVELSalienceExpression) context.getRule().getSalience()).compile((MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData("mvel"));
}
Also used : Pattern(org.drools.core.rule.Pattern) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) ClassObjectType(org.drools.core.base.ClassObjectType) DialectCompiletimeRegistry(org.drools.compiler.compiler.DialectCompiletimeRegistry) HashMap(java.util.HashMap) SalienceBuilder(org.drools.compiler.rule.builder.SalienceBuilder) PatternExtractor(org.drools.core.spi.PatternExtractor) ClassObjectType(org.drools.core.base.ClassObjectType) ObjectType(org.drools.core.spi.ObjectType) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) MVELSalienceExpression(org.drools.core.base.mvel.MVELSalienceExpression) RuleDescr(org.drools.compiler.lang.descr.RuleDescr) Declaration(org.drools.core.rule.Declaration) KnowledgePackageImpl(org.drools.core.definitions.impl.KnowledgePackageImpl) AttributeDescr(org.drools.compiler.lang.descr.AttributeDescr) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage) Before(org.junit.Before)

Example 13 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class ReteooBuilderPerformanceTest method generatePackage.

private static InternalKnowledgePackage generatePackage(int ruleCount) throws DroolsParserException {
    StringReader reader = new StringReader(generateRules(ruleCount));
    System.out.println("Generating packages");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
    try {
        pkgBuilder.addPackageFromDrl(reader);
    } catch (IOException e) {
        fail("Unable to parse rules\n" + e.getMessage());
    }
    if (pkgBuilder.hasErrors()) {
        fail(pkgBuilder.getErrors().toString());
    }
    return pkgBuilder.getPackage("org.kie.test");
}
Also used : KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) StringReader(java.io.StringReader) IOException(java.io.IOException)

Example 14 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class ReteooBuilderTest method checkRuleBase.

private void checkRuleBase(final String name) throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    builder.addPackageFromDrl(new InputStreamReader(getClass().getResourceAsStream("test_" + name + ".drl")));
    InternalKnowledgePackage pkg = builder.getPackage("org.drools.compiler.test");
    final InternalKnowledgeBase kBase = (InternalKnowledgeBase) getKnowledgeBase();
    kBase.addPackage(pkg);
    if (this.writeTree) {
        writeRuleBase(kBase, name);
    }
    final XStream xstream = createTrustingXStream();
    final InternalKnowledgeBase goodKBase = (InternalKnowledgeBase) xstream.fromXML(getClass().getResourceAsStream(name));
    nodesEquals(goodKBase.getRete(), kBase.getRete());
}
Also used : InputStreamReader(java.io.InputStreamReader) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) XStream(com.thoughtworks.xstream.XStream) XStreamUtils.createTrustingXStream(org.kie.soup.commons.xstream.XStreamUtils.createTrustingXStream) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage)

Example 15 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class JavaConsequenceBuilderPRAlwaysTest method setupTest.

private void setupTest(String consequence, Map<String, Object> namedConsequences) {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.drools");
    pkg.addImport(new ImportDeclaration("org.drools.compiler.Cheese"));
    KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
    // Although it should be the default, for completeness we explicit this is the test cases how RHS should be rewritten as:
    conf.setOption(PropertySpecificOption.ALWAYS);
    KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl(pkg, conf);
    ruleDescr = new RuleDescr("test consequence builder");
    ruleDescr.setConsequence(consequence);
    for (Entry<String, Object> entry : namedConsequences.entrySet()) {
        ruleDescr.addNamedConsequences(entry.getKey(), entry.getValue());
    }
    RuleImpl rule = ruleDescr.toRule();
    PackageRegistry pkgRegistry = kBuilder.getPackageRegistry(pkg.getName());
    DialectCompiletimeRegistry reg = kBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    context = new RuleBuildContext(kBuilder, ruleDescr, reg, pkg, reg.getDialect(pkgRegistry.getDialect()));
    rule.addPattern(new Pattern(0, new ClassObjectType(Cheese.class), "$cheese"));
    Pattern p = new Pattern(1, new ClassObjectType(Person.class), "$persone");
    Declaration declr = p.addDeclaration("age");
    final InternalReadAccessor extractor = PatternBuilder.getFieldReadAccessor(context, new BindingDescr("age", "age"), p, "age", declr, true);
    rule.addPattern(p);
    context.getDeclarationResolver().pushOnBuildStack(rule.getLhs());
    context.getDialect().getConsequenceBuilder().build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
    for (String name : namedConsequences.keySet()) {
        context.getDialect().getConsequenceBuilder().build(context, name);
    }
    context.getDialect().addRule(context);
    pkgRegistry.getPackage().addRule(context.getRule());
    kBuilder.compileAll();
    kBuilder.reloadAll();
}
Also used : Pattern(org.drools.core.rule.Pattern) BindingDescr(org.drools.compiler.lang.descr.BindingDescr) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) ClassObjectType(org.drools.core.base.ClassObjectType) KnowledgeBuilderConfigurationImpl(org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl) DialectCompiletimeRegistry(org.drools.compiler.compiler.DialectCompiletimeRegistry) RuleImpl(org.drools.core.definitions.rule.impl.RuleImpl) PackageRegistry(org.drools.compiler.compiler.PackageRegistry) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) ImportDeclaration(org.drools.core.rule.ImportDeclaration) RuleDescr(org.drools.compiler.lang.descr.RuleDescr) InternalReadAccessor(org.drools.core.spi.InternalReadAccessor) Declaration(org.drools.core.rule.Declaration) ImportDeclaration(org.drools.core.rule.ImportDeclaration) KnowledgePackageImpl(org.drools.core.definitions.impl.KnowledgePackageImpl) Person(org.drools.compiler.Person) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage)

Aggregations

KnowledgeBuilderImpl (org.drools.compiler.builder.impl.KnowledgeBuilderImpl)51 Test (org.junit.Test)33 RuleDescr (org.drools.compiler.lang.descr.RuleDescr)20 InternalKnowledgePackage (org.drools.core.definitions.InternalKnowledgePackage)20 PackageDescr (org.drools.compiler.lang.descr.PackageDescr)17 RuleBuildContext (org.drools.compiler.rule.builder.RuleBuildContext)12 RuleImpl (org.drools.core.definitions.rule.impl.RuleImpl)11 InternalKnowledgeBase (org.drools.core.impl.InternalKnowledgeBase)11 Pattern (org.drools.core.rule.Pattern)11 TypeDeclaration (org.drools.core.rule.TypeDeclaration)11 DialectCompiletimeRegistry (org.drools.compiler.compiler.DialectCompiletimeRegistry)10 PackageRegistry (org.drools.compiler.compiler.PackageRegistry)9 KnowledgePackageImpl (org.drools.core.definitions.impl.KnowledgePackageImpl)9 KnowledgeBuilderConfigurationImpl (org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl)8 KnowledgeBuilder (org.kie.internal.builder.KnowledgeBuilder)7 HashMap (java.util.HashMap)6 Cheese (org.drools.compiler.Cheese)6 AttributeDescr (org.drools.compiler.lang.descr.AttributeDescr)6 PatternDescr (org.drools.compiler.lang.descr.PatternDescr)6 ClassObjectType (org.drools.core.base.ClassObjectType)6