Examples with RuleDescr org.drools.compiler.lang.descr.RuleDescr used on opensource projects

Example 26 with RuleDescr

use of org.drools.compiler.lang.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testFromWithInlineList.

@Test
public void testFromWithInlineList() throws Exception {
    String source = "rule XYZ \n" + " when \n" + " o: Order( ) \n" + " not( Number( ) from [1, 2, 3] ) \n" + " then \n" + " System.err.println(\"Invalid customer id found!\"); \n" + " o.addError(\"Invalid customer id\"); \n" + "end \n";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", source);
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("XYZ", rule.getName());
    PatternDescr number = (PatternDescr) ((NotDescr) rule.getLhs().getDescrs().get(1)).getDescrs().get(0);
    assertEquals("[1, 2, 3]", ((FromDescr) number.getSource()).getDataSource().toString());
}

Example 27 with RuleDescr

use of org.drools.compiler.lang.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testPluggableOperators.

@Test
public void testPluggableOperators() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "pluggable_operators.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(5, rule.getLhs().getDescrs().size());
    final PatternDescr eventA = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("$a", eventA.getIdentifier());
    assertEquals("EventA", eventA.getObjectType());
    final PatternDescr eventB = (PatternDescr) rule.getLhs().getDescrs().get(1);
    assertEquals("$b", eventB.getIdentifier());
    assertEquals("EventB", eventB.getObjectType());
    assertEquals(1, eventB.getConstraint().getDescrs().size());
    assertEquals(1, eventB.getConstraint().getDescrs().size());
    final ExprConstraintDescr fcdB = (ExprConstraintDescr) eventB.getConstraint().getDescrs().get(0);
    assertEquals("this after[1,10] $a || this not after[15,20] $a", fcdB.getExpression());
    final PatternDescr eventC = (PatternDescr) rule.getLhs().getDescrs().get(2);
    assertEquals("$c", eventC.getIdentifier());
    assertEquals("EventC", eventC.getObjectType());
    assertEquals(1, eventC.getConstraint().getDescrs().size());
    final ExprConstraintDescr fcdC = (ExprConstraintDescr) eventC.getConstraint().getDescrs().get(0);
    assertEquals("this finishes $b", fcdC.getExpression());
    final PatternDescr eventD = (PatternDescr) rule.getLhs().getDescrs().get(3);
    assertEquals("$d", eventD.getIdentifier());
    assertEquals("EventD", eventD.getObjectType());
    assertEquals(1, eventD.getConstraint().getDescrs().size());
    final ExprConstraintDescr fcdD = (ExprConstraintDescr) eventD.getConstraint().getDescrs().get(0);
    assertEquals("this not starts $a", fcdD.getExpression());
    final PatternDescr eventE = (PatternDescr) rule.getLhs().getDescrs().get(4);
    assertEquals("$e", eventE.getIdentifier());
    assertEquals("EventE", eventE.getObjectType());
    assertEquals(1, eventE.getConstraint().getDescrs().size());
    ExprConstraintDescr fcdE = (ExprConstraintDescr) eventE.getConstraint().getDescrs().get(0);
    assertEquals("this not before[1, 10] $b || after[1, 10] $c && this after[1, 5] $d", fcdE.getExpression());
}

Example 28 with RuleDescr

use of org.drools.compiler.lang.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testExpanderMultipleConstraints.

@Test
public void testExpanderMultipleConstraints() throws Exception {
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
    final PackageDescr pkg = parser.parse(this.getReader("expander_multiple_constraints.dslr"), this.getReader("multiple_constraints.dsl"));
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(2, rule.getLhs().getDescrs().size());
    PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("Person", pattern.getObjectType());
    assertEquals(2, pattern.getConstraint().getDescrs().size());
    assertEquals("age < 42", ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get(0)).getExpression());
    assertEquals("location==atlanta", ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get(1)).getExpression());
    pattern = (PatternDescr) rule.getLhs().getDescrs().get(1);
    assertEquals("Bar", pattern.getObjectType());
    assertNotNull((String) rule.getConsequence());
}

Example 29 with RuleDescr

use of org.drools.compiler.lang.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testNotExistWithBrackets.

@Test
public void testNotExistWithBrackets() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "not_exist_with_brackets.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertNotNull(rule);
    assertEquals("simple_rule", rule.getName());
    final AndDescr lhs = rule.getLhs();
    assertEquals(2, lhs.getDescrs().size());
    final NotDescr not = (NotDescr) lhs.getDescrs().get(0);
    assertEquals(1, not.getDescrs().size());
    final PatternDescr pattern = (PatternDescr) not.getDescrs().get(0);
    assertEquals("Cheese", pattern.getObjectType());
    final ExistsDescr ex = (ExistsDescr) lhs.getDescrs().get(1);
    assertEquals(1, ex.getDescrs().size());
    final PatternDescr exPattern = (PatternDescr) ex.getDescrs().get(0);
    assertEquals("Foo", exPattern.getObjectType());
}

Example 30 with RuleDescr

use of org.drools.compiler.lang.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testNoLoop.

@Test
public void testNoLoop() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "no-loop.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertNotNull(rule);
    assertEquals("rule1", rule.getName());
    final AttributeDescr att = (AttributeDescr) rule.getAttributes().get("no-loop");
    assertEquals("false", att.getValue());
    assertEquals("no-loop", att.getName());
}