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

Example 26 with AndDescr

use of org.drools.drl.ast.descr.AndDescr 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 27 with AndDescr

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

the class RuleParserTest method testMemberof.

@Test
public void testMemberof() throws Exception {
    final String text = "rule X when Country( $cities : city )\nPerson( city memberOf $cities )\n then end";
    AndDescr descrs = ((RuleDescr) parse("rule", text)).getLhs();
    assertEquals(2, descrs.getDescrs().size());
    PatternDescr pat = (PatternDescr) descrs.getDescrs().get(1);
    ExprConstraintDescr fieldConstr = (ExprConstraintDescr) pat.getConstraint().getDescrs().get(0);
    assertEquals("city memberOf $cities", fieldConstr.getExpression());
}

Example 28 with AndDescr

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

the class RuleParserTest method testSimpleConstraint.

@Test
public void testSimpleConstraint() throws Exception {
    String source = "package com.sample  rule test  when  Cheese( type == 'stilton', price > 10 )  then  end";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", source);
    assertEquals("com.sample", pkg.getName());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("test", rule.getName());
    assertEquals(1, rule.getLhs().getDescrs().size());
    PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    AndDescr constraint = (AndDescr) pattern.getConstraint();
    assertEquals(2, constraint.getDescrs().size());
    assertEquals("type == \"stilton\"", constraint.getDescrs().get(0).toString());
    assertEquals("price > 10", constraint.getDescrs().get(1).toString());
}

Example 29 with AndDescr

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

the class RuleParserTest method testBracketsPrecedence.

/**
 */
@Test
public void testBracketsPrecedence() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "brackets_precedence.drl");
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    final AndDescr rootAnd = (AndDescr) rule.getLhs();
    assertEquals(2, rootAnd.getDescrs().size());
    final OrDescr leftOr = (OrDescr) rootAnd.getDescrs().get(0);
    assertEquals(2, leftOr.getDescrs().size());
    final NotDescr not = (NotDescr) leftOr.getDescrs().get(0);
    final PatternDescr foo1 = (PatternDescr) not.getDescrs().get(0);
    assertEquals("Foo", foo1.getObjectType());
    final PatternDescr foo2 = (PatternDescr) leftOr.getDescrs().get(1);
    assertEquals("Foo", foo2.getObjectType());
    final OrDescr rightOr = (OrDescr) rootAnd.getDescrs().get(1);
    assertEquals(2, rightOr.getDescrs().size());
    final PatternDescr shoes = (PatternDescr) rightOr.getDescrs().get(0);
    assertEquals("Shoes", shoes.getObjectType());
    final PatternDescr butt = (PatternDescr) rightOr.getDescrs().get(1);
    assertEquals("Butt", butt.getObjectType());
}

Example 30 with AndDescr

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

the class RuleParserTest method testNotMemberof.

@Test
public void testNotMemberof() throws Exception {
    final String text = "rule X when Country( $cities : city )\nPerson( city not memberOf $cities ) then end\n";
    AndDescr descrs = ((RuleDescr) parse("rule", text)).getLhs();
    assertEquals(2, descrs.getDescrs().size());
    PatternDescr pat = (PatternDescr) descrs.getDescrs().get(1);
    ExprConstraintDescr fieldConstr = (ExprConstraintDescr) pat.getConstraint().getDescrs().get(0);
    assertEquals("city not memberOf $cities", fieldConstr.getExpression());
}