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

Example 91 with PatternDescr

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

the class KnowledgeBuilderTest method testDuplicateRuleNames.

@Test
public void testDuplicateRuleNames() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    RuleDescr ruleDescr;
    AndDescr lhs;
    PatternDescr patternDescr;
    FieldConstraintDescr literalDescr;
    final PackageDescr packageDescr = createBasicPackageWithOneRule(1, 1);
    ruleDescr = new RuleDescr("rule-1");
    ruleDescr.setLocation(42, 43);
    packageDescr.addRule(ruleDescr);
    lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    patternDescr = new PatternDescr(Cheese.class.getName(), "stilton");
    literalDescr = new FieldConstraintDescr("type");
    literalDescr.addRestriction(new LiteralRestrictionDescr("!=", null));
    patternDescr.addConstraint(literalDescr);
    ruleDescr.setConsequence("");
    ruleDescr = new RuleDescr("rule-2");
    ruleDescr.setLocation(42, 43);
    packageDescr.addRule(ruleDescr);
    lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    patternDescr = new PatternDescr(Cheese.class.getName(), "stilton");
    literalDescr = new FieldConstraintDescr("type");
    literalDescr.addRestriction(new LiteralRestrictionDescr("!=", null));
    patternDescr.addConstraint(literalDescr);
    ruleDescr.setConsequence("");
    builder.addPackage(packageDescr);
    assertLength(2, builder.getErrors().getErrors());
    final ParserError err = (ParserError) builder.getErrors().getErrors()[0];
    assertEquals(42, err.getRow());
    assertEquals(43, err.getCol());
}

Example 92 with PatternDescr

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

the class KnowledgeBuilderTest method testTimeWindowBehavior.

@Test
public void testTimeWindowBehavior() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    final TypeDeclarationDescr typeDeclDescr = new TypeDeclarationDescr(StockTick.class.getName());
    typeDeclDescr.addAnnotation("role", "event");
    packageDescr.addTypeDeclaration(typeDeclDescr);
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    final PatternDescr patternDescr = new PatternDescr(StockTick.class.getName(), "$tick");
    final BehaviorDescr windowDescr = new BehaviorDescr("window");
    windowDescr.setSubType("time");
    windowDescr.setParameters(Collections.singletonList("60000"));
    patternDescr.addBehavior(windowDescr);
    lhs.addDescr(patternDescr);
    ruleDescr.setConsequence("System.out.println( $tick );");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
    InternalKnowledgePackage pkg = builder.getPackageRegistry().get("p1").getPackage();
    final RuleImpl rule = pkg.getRule("rule-1");
    assertNotNull(rule);
    final Pattern pattern = (Pattern) rule.getLhs().getChildren().get(0);
    assertEquals(StockTick.class.getName(), ((ClassObjectType) pattern.getObjectType()).getClassType().getName());
    final Behavior window = pattern.getBehaviors().get(0);
    assertEquals(Behavior.BehaviorType.TIME_WINDOW, window.getType());
    assertEquals(60000, ((SlidingTimeWindow) window).getSize());
}

Example 93 with PatternDescr

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

the class KnowledgeBuilderTest method testPredicate.

@Test
public void testPredicate() 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);
    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"));
    final ExprConstraintDescr predicate = new ExprConstraintDescr("eval(( ( Integer )map.get( new Integer(x) )).intValue() == y)");
    pattern.addConstraint(predicate);
    ruleDescr.setConsequence("update(stilton);");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
}

Example 94 with PatternDescr

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

the class KnowledgeBuilderTest method testDuplicateDeclaration.

// TODO we now allow bindings on declarations, so update the test for this
@Test
// TODO we now allow bindings on declarations, so update the test for this
@Ignore
public void testDuplicateDeclaration() {
    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 pattern1 = new PatternDescr(Cheese.class.getName());
    lhs.addDescr(pattern1);
    final BindingDescr fieldBindingDescr = new BindingDescr("$type", "type");
    final FieldConstraintDescr literalDescr = new FieldConstraintDescr("type");
    literalDescr.addRestriction(new LiteralRestrictionDescr("==", "stilton"));
    pattern1.addConstraint(fieldBindingDescr);
    pattern1.addConstraint(literalDescr);
    final PatternDescr pattern2 = new PatternDescr(Cheese.class.getName());
    lhs.addDescr(pattern2);
    pattern2.addConstraint(fieldBindingDescr);
    ruleDescr.setConsequence("update(stilton);");
    builder.addPackage(packageDescr);
    assertLength(2, builder.getErrors().getErrors());
}

Example 95 with PatternDescr

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

the class KnowledgeBuilderTest method createReturnValueRule.

private void createReturnValueRule(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);
    BindingDescr fieldBindingDescr = new BindingDescr("x", "price");
    pattern.addConstraint(fieldBindingDescr);
    fieldBindingDescr = new BindingDescr("y", "price");
    pattern.addConstraint(fieldBindingDescr);
    packageDescr.addGlobal(new GlobalDescr("map", "java.util.Map"));
    pattern.addConstraint(new ExprConstraintDescr("price == (" + expression + ")"));
    ruleDescr.setConsequence("update(stilton);");
}