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

Example 46 with RuleDescr

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

the class RuleParserTest method testRuleWithLHSNesting.

@Test
public void testRuleWithLHSNesting() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "Rule_with_nested_LHS.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    RuleDescr rule = pkg.getRules().get(0);
    assertEquals("test", rule.getName());
    AndDescr lhs = rule.getLhs();
    assertNotNull(lhs);
    assertEquals(2, lhs.getDescrs().size());
    PatternDescr a = (PatternDescr) lhs.getDescrs().get(0);
    assertEquals("A", a.getObjectType());
    OrDescr or = (OrDescr) lhs.getDescrs().get(1);
    assertEquals(3, or.getDescrs().size());
    AndDescr and1 = (AndDescr) or.getDescrs().get(0);
    assertEquals(2, and1.getDescrs().size());
    PatternDescr b = (PatternDescr) and1.getDescrs().get(0);
    PatternDescr c = (PatternDescr) and1.getDescrs().get(1);
    assertEquals("B", b.getObjectType());
    assertEquals("C", c.getObjectType());
    AndDescr and2 = (AndDescr) or.getDescrs().get(1);
    assertEquals(2, and2.getDescrs().size());
    PatternDescr d = (PatternDescr) and2.getDescrs().get(0);
    PatternDescr e = (PatternDescr) and2.getDescrs().get(1);
    assertEquals("D", d.getObjectType());
    assertEquals("E", e.getObjectType());
    AndDescr and3 = (AndDescr) or.getDescrs().get(2);
    assertEquals(2, and3.getDescrs().size());
    PatternDescr f = (PatternDescr) and3.getDescrs().get(0);
    PatternDescr g = (PatternDescr) and3.getDescrs().get(1);
    assertEquals("F", f.getObjectType());
    assertEquals("G", g.getObjectType());
}

Example 47 with RuleDescr

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

the class RuleParserTest method testEntryPoint.

@Test
public void testEntryPoint() throws Exception {
    final String text = "rule X when StockTick( symbol==\"ACME\") from entry-point StreamA then end";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", text);
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    RuleDescr rule = pkg.getRules().get(0);
    PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals(1, pattern.getDescrs().size());
    ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get(0);
    assertEquals("symbol==\"ACME\"", fcd.getExpression());
    assertNotNull(pattern.getSource());
    EntryPointDescr entry = (EntryPointDescr) pattern.getSource();
    assertEquals("StreamA", entry.getEntryId());
}

Example 48 with RuleDescr

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

the class RuleParserTest method testRuleExtends.

@Test
public void testRuleExtends() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "Rule_with_Extends.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    RuleDescr rule = pkg.getRules().get(0);
    assertTrue(rule.getParentName() != null);
    assertEquals("rule1", rule.getParentName());
    AndDescr lhs = rule.getLhs();
    assertNotNull(lhs);
    assertEquals(1, lhs.getDescrs().size());
    PatternDescr pattern = (PatternDescr) lhs.getDescrs().get(0);
    assertEquals("foo", pattern.getObjectType());
    assertEquals("$foo", pattern.getIdentifier());
}

Example 49 with RuleDescr

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

the class RuleParserTest method testCalendars2.

@Test
public void testCalendars2() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "rule_calendars_attribute2.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertEquals("simple_rule", rule.getName());
    assertEqualsIgnoreWhitespace("bar();", (String) rule.getConsequence());
    final Map<String, AttributeDescr> attrs = rule.getAttributes();
    assertEquals(2, attrs.size());
    AttributeDescr at = (AttributeDescr) attrs.get("calendars");
    assertEquals("calendars", at.getName());
    assertEquals("[ \"cal 1\", \"cal 2\", \"cal 3\" ]", at.getValue());
    at = (AttributeDescr) attrs.get("lock-on-active");
    assertEquals("lock-on-active", at.getName());
    assertEquals("true", at.getValue());
}

Example 50 with RuleDescr

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

the class RuleParserTest method testFunctionWithArrays.

// public void FIXME_testLatinChars() throws Exception {
// final DrlParser parser = new DrlParser();
// final Reader drl = new InputStreamReader( this.getClass().getResourceAsStream( "latin-sample.dslr" ) );
// final Reader dsl = new InputStreamReader( this.getClass().getResourceAsStream( "latin.dsl" ) );
// 
// final PackageDescr pkg = parser.parse( drl,
// dsl );
// 
// // MN: will get some errors due to the char encoding on my FC5 install
// // others who use the right encoding may not see this, feel free to
// // uncomment
// // the following assertion.
// assertFalse( parser.hasErrors() );
// 
// assertEquals( "br.com.auster.drools.sample",
// pkg.getName() );
// assertEquals( 1,
// pkg.getRules().size() );
// 
// }
// 
@Test
public void testFunctionWithArrays() throws Exception {
    PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "function_arrays.drl");
    assertEquals("foo", pkg.getName());
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEqualsIgnoreWhitespace("yourFunction(new String[3] {\"a\",\"b\",\"c\"});", (String) rule.getConsequence());
    final FunctionDescr func = (FunctionDescr) pkg.getFunctions().get(0);
    assertEquals("String[]", func.getReturnType());
    assertEquals("args[]", func.getParameterNames().get(0));
    assertEquals("String", func.getParameterTypes().get(0));
}