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

Example 56 with PatternDescr

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

the class RuleParserTest method testPositionalConstraintsOnly.

@Test
public void testPositionalConstraintsOnly() throws Exception {
    final String text = "rule X when Person( \"Mark\", 42; ) then end";
    PatternDescr pattern = (PatternDescr) ((RuleDescr) parse("rule", text)).getLhs().getDescrs().get(0);
    assertEquals(2, pattern.getDescrs().size());
    ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get(0);
    assertEquals("\"Mark\"", fcd.getExpression());
    assertEquals(0, fcd.getPosition());
    assertEquals(ExprConstraintDescr.Type.POSITIONAL, fcd.getType());
    fcd = (ExprConstraintDescr) pattern.getDescrs().get(1);
    assertEquals("42", fcd.getExpression());
    assertEquals(1, fcd.getPosition());
    assertEquals(ExprConstraintDescr.Type.POSITIONAL, fcd.getType());
}

Example 57 with PatternDescr

use of org.drools.compiler.lang.descr.PatternDescr 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 58 with PatternDescr

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

the class RuleParserTest method testCollect.

@Test
public void testCollect() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "collect.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 CollectDescr collect = (CollectDescr) outPattern.getSource();
    final PatternDescr pattern = (PatternDescr) collect.getInputPattern();
    assertEquals("Person", pattern.getObjectType());
}

Example 59 with PatternDescr

use of org.drools.compiler.lang.descr.PatternDescr 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());
}

Example 60 with PatternDescr

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

the class RuleParserTest method testBigLiterals.

@Test
public void testBigLiterals() throws Exception {
    final String text = "rule X when Primitives( bigInteger == (10I), " + "                        bigDecimal == (10B), " + "                        bigInteger < 50I, " + "                        bigDecimal < 50B ) then end";
    PatternDescr pattern = (PatternDescr) ((RuleDescr) parse("rule", text)).getLhs().getDescrs().get(0);
    assertEquals(4, pattern.getDescrs().size());
    ExprConstraintDescr ecd = (ExprConstraintDescr) pattern.getDescrs().get(0);
    assertEquals("bigInteger == (10I)", ecd.getExpression());
    ecd = (ExprConstraintDescr) pattern.getDescrs().get(1);
    assertEquals("bigDecimal == (10B)", ecd.getExpression());
    ecd = (ExprConstraintDescr) pattern.getDescrs().get(2);
    assertEquals("bigInteger < 50I", ecd.getExpression());
    ecd = (ExprConstraintDescr) pattern.getDescrs().get(3);
    assertEquals("bigDecimal < 50B", ecd.getExpression());
}