Examples with Thing org.drools.mvel.compiler.oopath.model.Thing used on opensource projects

Example 1 with Thing

use of org.drools.mvel.compiler.oopath.model.Thing in project drools by kiegroup.

the class OOPathQueriesTest method testQueryFromCode.

@Test
public void testQueryFromCode() {
    final String drl = "import org.drools.mvel.compiler.oopath.model.Thing;\n" + "query isContainedIn( Thing $x, Thing $y )\n" + "    $y := /$x/children\n" + "or\n" + "    ( $z := /$x/children and isContainedIn( $z, $y; ) )\n" + "end\n";
    final Thing smartphone = new Thing("smartphone");
    final List<String> itemList = Arrays.asList(new String[] { "display", "keyboard", "processor" });
    itemList.stream().map(item -> new Thing(item)).forEach((thing) -> smartphone.addChild(thing));
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", kieBaseTestConfiguration, drl);
    KieSession ksession = kbase.newKieSession();
    ksession.insert(smartphone);
    final QueryResults queryResults = ksession.getQueryResults("isContainedIn", new Object[] { smartphone, Variable.v });
    final List<String> resultList = StreamSupport.stream(queryResults.spliterator(), false).map(row -> ((Thing) row.get("$y")).getName()).collect(Collectors.toList());
    assertThat(resultList).as("Query does not contain all items").containsAll(itemList);
    ksession.dispose();
}

Example 2 with Thing

use of org.drools.mvel.compiler.oopath.model.Thing in project drools by kiegroup.

the class QueryTest method testQueryWithFrom.

@Test
public void testQueryWithFrom() {
    final String drl = "import org.drools.mvel.compiler.oopath.model.Thing;\n" + "query isContainedIn( Thing $x, Thing $y )\n" + "    $y := Thing() from $x.children\n" + "or\n" + "    ( $z := Thing() from $x.children and isContainedIn( $z, $y; ) )\n" + "end\n";
    final Thing smartphone = new Thing("smartphone");
    final List<String> itemList = Arrays.asList(new String[] { "display", "keyboard", "processor" });
    itemList.stream().map(item -> new Thing(item)).forEach((thing) -> smartphone.addChild(thing));
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", kieBaseTestConfiguration, drl);
    KieSession ksession = kbase.newKieSession();
    ReteDumper.dumpRete(ksession);
    ksession.insert(smartphone);
    final QueryResults queryResults = ksession.getQueryResults("isContainedIn", new Object[] { smartphone, Variable.v });
    final List<String> resultList = StreamSupport.stream(queryResults.spliterator(), false).map(row -> ((Thing) row.get("$y")).getName()).collect(Collectors.toList());
    assertThat(resultList).as("Query does not contain all items").containsAll(itemList);
    ksession.dispose();
}

Example 3 with Thing

use of org.drools.mvel.compiler.oopath.model.Thing in project drools by kiegroup.

the class OOPathQueriesTest method testRecursiveOOPathQuery.

@Test
public void testRecursiveOOPathQuery() {
    final String drl = "import org.drools.mvel.compiler.oopath.model.Thing;\n" + "global java.util.List list\n" + "\n" + "rule \"Print all things contained in the Office\" when\n" + "    $office : Thing( name == \"office\" )\n" + "    isContainedIn( $office, thing; )\n" + "then\n" + "    list.add( thing.getName() );\n" + "end\n" + "\n" + "query isContainedIn( Thing $x, Thing $y )\n" + "    $y := /$x/children\n" + "or\n" + "    ( $z := /$x/children and isContainedIn( $z, $y; ) )\n" + "end\n";
    final Thing house = new Thing("house");
    final Thing office = new Thing("office");
    house.addChild(office);
    final Thing kitchen = new Thing("kitchen");
    house.addChild(kitchen);
    final Thing knife = new Thing("knife");
    kitchen.addChild(knife);
    final Thing cheese = new Thing("cheese");
    kitchen.addChild(cheese);
    final Thing desk = new Thing("desk");
    office.addChild(desk);
    final Thing chair = new Thing("chair");
    office.addChild(chair);
    final Thing computer = new Thing("computer");
    desk.addChild(computer);
    final Thing draw = new Thing("draw");
    desk.addChild(draw);
    final Thing key = new Thing("key");
    draw.addChild(key);
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", kieBaseTestConfiguration, drl);
    KieSession ksession = kbase.newKieSession();
    final List<String> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    ksession.insert(house);
    ksession.insert(office);
    ksession.insert(kitchen);
    ksession.insert(knife);
    ksession.insert(cheese);
    ksession.insert(desk);
    ksession.insert(chair);
    ksession.insert(computer);
    ksession.insert(draw);
    ksession.insert(key);
    ksession.fireAllRules();
    Assertions.assertThat(list).containsExactlyInAnyOrder("desk", "chair", "key", "draw", "computer");
}