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

Example 11 with QueryDescr

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

the class RuleBuilder method preProcess.

public static void preProcess(final RuleBuildContext context) {
    RuleDescr ruleDescr = context.getRuleDescr();
    // Query and get object instead of using String
    if (null != ruleDescr.getParentName() && null != context.getPkg().getRule(ruleDescr.getParentName())) {
        context.getRule().setParent(context.getPkg().getRule(ruleDescr.getParentName()));
    }
    parseUnitAnnotations(context, context.getRule(), ruleDescr);
    // add all the rule's meta attributes
    buildMetaAttributes(context);
    if (context.getRuleDescr() instanceof QueryDescr) {
        context.getDialect().getQueryBuilder().build(context, (QueryDescr) context.getRuleDescr());
    }
    context.initRule();
}

Example 12 with QueryDescr

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

the class RuleParserTest method testSimpleQuery.

@Test
public void testSimpleQuery() throws Exception {
    final QueryDescr query = (QueryDescr) parseResource("query", "simple_query.drl");
    assertNotNull(query);
    assertEquals("simple_query", query.getName());
    final AndDescr lhs = query.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());
    AndDescr and = (AndDescr) first.getConstraint();
    ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get(0);
    assertNotNull(fld);
    assertEquals("a==3", fld.getExpression());
    // Check second pattern
    final PatternDescr second = (PatternDescr) lhs.getDescrs().get(1);
    assertEquals("foo4", second.getIdentifier());
    assertEquals("Bar", second.getObjectType());
    assertEquals(1, second.getDescrs().size());
    // check it has field bindings.
    final ExprConstraintDescr bindingDescr = (ExprConstraintDescr) second.getDescrs().get(0);
    assertEquals("a4:a==4", bindingDescr.getExpression());
}