Examples with ExprConstraintDescr org.drools.drl.ast.descr.ExprConstraintDescr used on opensource projects

Example 61 with ExprConstraintDescr

use of org.drools.drl.ast.descr.ExprConstraintDescr in project drools by kiegroup.

the class RuleParserTest method testEnumeration.

@Test
public void testEnumeration() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "enumeration.drl");
    assertEquals("simple_rule", rule.getName());
    assertEquals(1, rule.getLhs().getDescrs().size());
    final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("Foo", col.getObjectType());
    assertEquals(1, col.getConstraint().getDescrs().size());
    final ExprConstraintDescr fld = (ExprConstraintDescr) col.getConstraint().getDescrs().get(0);
    assertEquals("bar == Foo.BAR", fld.getExpression());
}

Example 62 with ExprConstraintDescr

use of org.drools.drl.ast.descr.ExprConstraintDescr 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 63 with ExprConstraintDescr

use of org.drools.drl.ast.descr.ExprConstraintDescr in project drools by kiegroup.

the class RuleParserTest method testBoundVariables.

@Test
public void testBoundVariables() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "bindings.drl");
    final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get(0);
    final AndDescr lhs = ruleDescr.getLhs();
    assertEquals(2, lhs.getDescrs().size());
    final PatternDescr cheese = (PatternDescr) lhs.getDescrs().get(0);
    assertEquals("Cheese", cheese.getObjectType());
    assertEquals(1, cheese.getDescrs().size());
    ExprConstraintDescr fieldBinding = (ExprConstraintDescr) cheese.getDescrs().get(0);
    assertEquals("$type : type == \"stilton\"", fieldBinding.getExpression());
    final PatternDescr person = (PatternDescr) lhs.getDescrs().get(1);
    assertEquals(2, person.getDescrs().size());
    fieldBinding = (ExprConstraintDescr) person.getDescrs().get(0);
    assertEquals("$name : name == \"bob\"", fieldBinding.getExpression());
    ExprConstraintDescr fld = (ExprConstraintDescr) person.getDescrs().get(1);
    assertEquals("likes == $type", fld.getExpression());
}

Example 64 with ExprConstraintDescr

use of org.drools.drl.ast.descr.ExprConstraintDescr in project drools by kiegroup.

the class RuleParserTest method testNotNode.

@Test
public void testNotNode() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "rule_not.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertNotNull(rule);
    assertEquals("simple_rule", rule.getName());
    final AndDescr lhs = rule.getLhs();
    assertEquals(1, lhs.getDescrs().size());
    final NotDescr not = (NotDescr) lhs.getDescrs().get(0);
    assertEquals(1, not.getDescrs().size());
    final PatternDescr pattern = (PatternDescr) not.getDescrs().get(0);
    assertEquals("Cheese", pattern.getObjectType());
    assertEquals(1, pattern.getConstraint().getDescrs().size());
    final AndDescr and = (AndDescr) pattern.getConstraint();
    final ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get(0);
    assertEquals("type == \"stilton\"", fld.getExpression());
}

Example 65 with ExprConstraintDescr

use of org.drools.drl.ast.descr.ExprConstraintDescr in project drools by kiegroup.

the class RuleParserTest method testRuleParseLhsWithStringQuotes.

@Test
public void testRuleParseLhsWithStringQuotes() throws Exception {
    final String text = "rule X when Person( location==\"atlanta\\\"\") then end\n";
    RuleDescr rule = (RuleDescr) parse("rule", text);
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertNotNull(rule);
    AndDescr lhs = rule.getLhs();
    ExprConstraintDescr constr = (ExprConstraintDescr) ((PatternDescr) lhs.getDescrs().get(0)).getDescrs().get(0);
    assertEquals("location==\"atlanta\\\"\"", constr.getText());
}