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

Example 26 with PatternDescr

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

the class RuleParserTest method testFromWithInlineListMethod.

@Test
public void testFromWithInlineListMethod() throws Exception {
    String source = "rule XYZ \n" + " when \n" + " o: Order( ) \n" + " Number( ) from [1, 2, 3].sublist(1, 2) \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());
    assertFalse(parser.hasErrors());
    PatternDescr number = (PatternDescr) rule.getLhs().getDescrs().get(1);
    assertEquals("[1, 2, 3].sublist(1, 2)", ((FromDescr) number.getSource()).getDataSource().toString());
}

Example 27 with PatternDescr

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

the class RuleParserTest method testEmptyPattern.

@Test
public void testEmptyPattern() throws Exception {
    PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "test_EmptyPattern.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertEquals(1, pkg.getRules().size());
    final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get(0);
    assertEquals("simple rule", ruleDescr.getName());
    assertNotNull(ruleDescr.getLhs());
    assertEquals(1, ruleDescr.getLhs().getDescrs().size());
    final PatternDescr patternDescr = (PatternDescr) ruleDescr.getLhs().getDescrs().get(0);
    assertEquals(0, // this
    patternDescr.getConstraint().getDescrs().size());
    assertEquals("Cheese", patternDescr.getObjectType());
}

Example 28 with PatternDescr

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

the class RuleParserTest method testAccumulateMultipleFunctionsConstraint.

@Test
public void testAccumulateMultipleFunctionsConstraint() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "accumulateMultipleFunctionsConstraint.drl");
    assertEquals(1, pkg.getRules().size());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(1, rule.getLhs().getDescrs().size());
    PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("Object", out.getObjectType());
    assertEquals(2, out.getConstraint().getDescrs().size());
    assertEquals("$a1 > 10 && $M1 <= 100", out.getConstraint().getDescrs().get(0).toString());
    assertEquals("$m1 == 5", out.getConstraint().getDescrs().get(1).toString());
    AccumulateDescr accum = (AccumulateDescr) out.getSource();
    assertTrue(accum.isExternalFunction());
    List<AccumulateFunctionCallDescr> functions = accum.getFunctions();
    assertEquals(3, functions.size());
    assertEquals("average", functions.get(0).getFunction());
    assertEquals("$a1", functions.get(0).getBind());
    assertEquals("$price", functions.get(0).getParams()[0]);
    assertEquals("min", functions.get(1).getFunction());
    assertEquals("$m1", functions.get(1).getBind());
    assertEquals("$price", functions.get(1).getParams()[0]);
    assertEquals("max", functions.get(2).getFunction());
    assertEquals("$M1", functions.get(2).getBind());
    assertEquals("$price", functions.get(2).getParams()[0]);
    final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
    assertEquals("Cheese", pattern.getObjectType());
}

Example 29 with PatternDescr

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

the class RuleParserTest method testForall.

@Test
public void testForall() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "forall.drl");
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(1, rule.getLhs().getDescrs().size());
    final ForallDescr forall = (ForallDescr) rule.getLhs().getDescrs().get(0);
    assertEquals(2, forall.getDescrs().size());
    final PatternDescr pattern = forall.getBasePattern();
    assertEquals("Person", pattern.getObjectType());
    final List<BaseDescr> remaining = forall.getRemainingPatterns();
    assertEquals(1, remaining.size());
    final PatternDescr cheese = (PatternDescr) remaining.get(0);
    assertEquals("Cheese", cheese.getObjectType());
}

Example 30 with PatternDescr

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

the class RuleParserTest method testAccumulateReverse.

@Test
public void testAccumulateReverse() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "accumulateReverse.drl");
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(1, rule.getLhs().getDescrs().size());
    final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get(0);
    final AccumulateDescr accum = (AccumulateDescr) out.getSource();
    assertEqualsIgnoreWhitespace("int x = 0 ;", accum.getInitCode());
    assertEqualsIgnoreWhitespace("x++;", accum.getActionCode());
    assertEqualsIgnoreWhitespace("x--;", accum.getReverseCode());
    assertEqualsIgnoreWhitespace("new Integer(x)", accum.getResultCode());
    assertFalse(accum.isExternalFunction());
    final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
    assertEquals("Person", pattern.getObjectType());
}