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

Example 16 with AndDescr

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

the class RuleParserTest method testLineNumberInAST.

@Test
public void testLineNumberInAST() throws Exception {
    // also see testSimpleExpander to see how this works with an expander
    // (should be the same).
    final RuleDescr rule = (RuleDescr) parseResource("rule", "simple_rule.drl");
    assertNotNull(rule);
    assertEquals("simple_rule", rule.getName());
    assertEquals(22, rule.getConsequenceLine());
    assertEquals(2, rule.getConsequencePattern());
    final AndDescr lhs = rule.getLhs();
    assertNotNull(lhs);
    assertEquals(3, lhs.getDescrs().size());
    // Check first pattern
    final PatternDescr first = (PatternDescr) lhs.getDescrs().get(0);
    assertEquals("foo3", first.getIdentifier());
    assertEquals("Bar", first.getObjectType());
    assertEquals(1, first.getConstraint().getDescrs().size());
    // Check second pattern
    final PatternDescr second = (PatternDescr) lhs.getDescrs().get(1);
    assertEquals("foo4", second.getIdentifier());
    assertEquals("Bar", second.getObjectType());
    final PatternDescr third = (PatternDescr) lhs.getDescrs().get(2);
    assertEquals("Baz", third.getObjectType());
    assertEquals(19, first.getLine());
    assertEquals(20, second.getLine());
    assertEquals(21, third.getLine());
}

Example 17 with AndDescr

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

the class RuleParserTest method testRuleParseLhs.

@Test
public void testRuleParseLhs() throws Exception {
    final String text = "rule X when Person(age < 42, location==\"atlanta\") \nor\nPerson(name==\"bob\") then end";
    RuleDescr rule = (RuleDescr) parse("rule", text);
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertNotNull(rule);
    AndDescr lhs = rule.getLhs();
    assertEquals(1, lhs.getDescrs().size());
    assertEquals(2, ((OrDescr) lhs.getDescrs().get(0)).getDescrs().size());
}

Example 18 with AndDescr

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

the class RuleParserTest method testMemberof.

@Test
public void testMemberof() throws Exception {
    final String text = "rule X when Country( $cities : city )\nPerson( city memberOf $cities )\n then end";
    AndDescr descrs = ((RuleDescr) parse("rule", text)).getLhs();
    assertEquals(2, descrs.getDescrs().size());
    PatternDescr pat = (PatternDescr) descrs.getDescrs().get(1);
    ExprConstraintDescr fieldConstr = (ExprConstraintDescr) pat.getConstraint().getDescrs().get(0);
    assertEquals("city memberOf $cities", fieldConstr.getExpression());
}

Example 19 with AndDescr

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

the class RuleParserTest method testAccumulateMultiPattern.

@Test
public void testAccumulateMultiPattern() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "accumulate_multi_pattern.drl");
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(1, rule.getLhs().getDescrs().size());
    final PatternDescr outPattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    final AccumulateDescr accum = (AccumulateDescr) outPattern.getSource();
    assertEqualsIgnoreWhitespace("$counter", outPattern.getIdentifier());
    assertEqualsIgnoreWhitespace("int x = 0 ;", accum.getInitCode());
    assertEqualsIgnoreWhitespace("x++;", accum.getActionCode());
    assertEqualsIgnoreWhitespace("new Integer(x)", accum.getResultCode());
    final AndDescr and = (AndDescr) accum.getInput();
    assertEquals(2, and.getDescrs().size());
    final PatternDescr person = (PatternDescr) and.getDescrs().get(0);
    final PatternDescr cheese = (PatternDescr) and.getDescrs().get(1);
    assertEquals("Person", person.getObjectType());
    assertEquals("Cheese", cheese.getObjectType());
}

Example 20 with AndDescr

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

the class RuleParserTest method testRestrictions.

@Test
public void testRestrictions() throws Exception {
    final String text = "rule X when Foo( bar > 1 || == 1 ) then end\n";
    AndDescr descrs = (AndDescr) ((RuleDescr) parse("rule", text)).getLhs();
    assertEquals(1, descrs.getDescrs().size());
    PatternDescr pat = (PatternDescr) descrs.getDescrs().get(0);
    ExprConstraintDescr fieldConstr = (ExprConstraintDescr) pat.getConstraint().getDescrs().get(0);
    assertEquals("bar > 1 || == 1", fieldConstr.getExpression());
}