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

Example 46 with ExprConstraintDescr

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

the class RuleParserTest method testNotInOperator.

@Test
public void testNotInOperator() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "notin_operator_test.drl");
    assertNotNull(rule);
    assertEqualsIgnoreWhitespace("consequence();", (String) rule.getConsequence());
    assertEquals("simple_rule", rule.getName());
    assertEquals(2, rule.getLhs().getDescrs().size());
    // The first pattern, with 2 restrictions on a single field (plus a
    // connective)
    PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("Person", pattern.getObjectType());
    assertEquals(1, pattern.getConstraint().getDescrs().size());
    ExprConstraintDescr fld = (ExprConstraintDescr) pattern.getConstraint().getDescrs().get(0);
    assertEquals("age > 30 && < 40", fld.getExpression());
    // the second col, with 2 fields, the first with 2 restrictions, the
    // second field with one
    pattern = (PatternDescr) rule.getLhs().getDescrs().get(1);
    assertEquals("Vehicle", pattern.getObjectType());
    assertEquals(2, pattern.getConstraint().getDescrs().size());
    fld = (ExprConstraintDescr) pattern.getConstraint().getDescrs().get(0);
    assertEquals("type not in ( \"sedan\", \"wagon\" )", fld.getExpression());
    // now the second field
    fld = (ExprConstraintDescr) pattern.getConstraint().getDescrs().get(1);
    assertEquals("age < 3", fld.getExpression());
}

Example 47 with ExprConstraintDescr

use of org.drools.compiler.lang.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 48 with ExprConstraintDescr

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

the class RuleParserTest method testCompatibleRestriction.

@Test
public void testCompatibleRestriction() throws Exception {
    String source = "package com.sample  rule test  when  Test( ( text == null || text2 matches \"\" ) )  then  end";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", source);
    assertEquals("com.sample", pkg.getName());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("test", rule.getName());
    ExprConstraintDescr expr = (ExprConstraintDescr) ((PatternDescr) rule.getLhs().getDescrs().get(0)).getDescrs().get(0);
    assertEquals("( text == null || text2 matches \"\" )", expr.getText());
}

Example 49 with ExprConstraintDescr

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

the class RuleParserTest method testRuleOldSyntax2.

@Test
public void testRuleOldSyntax2() throws Exception {
    final String source = "rule \"Test\" when ( $r :LiteralRestriction( operator == Operator.EQUAL ) ) then end";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", source);
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("Test", rule.getName());
    assertEquals(1, rule.getLhs().getDescrs().size());
    PatternDescr patternDescr = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("$r", patternDescr.getIdentifier());
    assertEquals(1, patternDescr.getDescrs().size());
    ExprConstraintDescr fieldConstraintDescr = (ExprConstraintDescr) patternDescr.getDescrs().get(0);
    assertEquals("operator == Operator.EQUAL", fieldConstraintDescr.getExpression());
}

Example 50 with ExprConstraintDescr

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

the class RuleParserTest method testPluggableOperators2.

@Test
public void testPluggableOperators2() throws Exception {
    final String text = "rule \"tt\"\n" + "    dialect \"mvel\"\n" + "when\n" + "    exists (TelephoneCall( this finishes [1m] \"25-May-2011\" ))\n" + "then\n" + "end";
    PatternDescr pattern = (PatternDescr) ((ExistsDescr) ((RuleDescr) parse("rule", text)).getLhs().getDescrs().get(0)).getDescrs().get(0);
    assertEquals("TelephoneCall", pattern.getObjectType());
    ExprConstraintDescr constr = (ExprConstraintDescr) pattern.getConstraint().getDescrs().get(0);
    assertEquals("this finishes [1m] \"25-May-2011\"", constr.getText());
}