Examples with Bar org.drools.compiler.Bar used on opensource projects

Example 1 with Bar

use of org.drools.compiler.Bar in project drools by kiegroup.

the class JBRULESTest method testJBRULES3323.

@Test
public void testJBRULES3323() throws Exception {
    // adding rules. it is important to add both since they reciprocate
    final StringBuilder rule = new StringBuilder();
    rule.append("package de.orbitx.accumulatetesettest;\n");
    rule.append("import java.util.Set;\n");
    rule.append("import java.util.HashSet;\n");
    rule.append("import org.drools.compiler.Foo;\n");
    rule.append("import org.drools.compiler.Bar;\n");
    rule.append("rule \"Sub optimal foo parallelism - this rule is causing NPE upon reverse\"\n");
    rule.append("when\n");
    rule.append("$foo : Foo($leftId : id, $leftBar : bar != null)\n");
    rule.append("$fooSet : Set()\n");
    rule.append("from accumulate ( Foo(id > $leftId, bar != null && != $leftBar, $bar : bar),\n");
    rule.append("collectSet( $bar ) )\n");
    rule.append("then\n");
    rule.append("//System.out.println(\"ok\");\n");
    rule.append("end\n");
    // building stuff
    final KieBase kbase = loadKnowledgeBaseFromString(rule.toString());
    final KieSession ksession = createKnowledgeSession(kbase);
    // adding test data
    final Bar[] barList = new Bar[3];
    for (int i = 0; i < barList.length; i++) {
        barList[i] = new Bar(String.valueOf(i));
    }
    final Foo[] fooList = new Foo[4];
    for (int i = 0; i < fooList.length; i++) {
        fooList[i] = new Foo(String.valueOf(i), i == 3 ? barList[2] : barList[i]);
    }
    for (final Foo foo : fooList) {
        ksession.insert(foo);
    }
    // the NPE is caused by exactly this sequence. of course there are more sequences but this
    // appears to be the most short one
    final int[] magicFoos = new int[] { 3, 3, 1, 1, 0, 0, 2, 2, 1, 1, 0, 0, 3, 3, 2, 2, 3, 1, 1 };
    final int[] magicBars = new int[] { 1, 2, 0, 1, 1, 0, 1, 2, 2, 1, 2, 0, 0, 2, 0, 2, 0, 0, 1 };
    // upon final rule firing an NPE will be thrown in org.drools.core.rule.Accumulate
    for (int i = 0; i < magicFoos.length; i++) {
        final Foo tehFoo = fooList[magicFoos[i]];
        final FactHandle fooFactHandle = ksession.getFactHandle(tehFoo);
        tehFoo.setBar(barList[magicBars[i]]);
        ksession.update(fooFactHandle, tehFoo);
        ksession.fireAllRules();
    }
    ksession.dispose();
}

Example 2 with Bar

use of org.drools.compiler.Bar in project drools by kiegroup.

the class MatchTest method testGetObjectsAccumulate.

@Test
public void testGetObjectsAccumulate() {
    // DROOLS-1470
    String str = "import org.drools.compiler.Foo\n" + "import org.drools.compiler.Bar\n" + "global java.util.List list\n" + "rule R when\n" + "  $b : Bar(id == \"roadster\")\n" + "  accumulate(\n" + "    $f : Foo(bar == $b);\n" + "    $t : count($f)\n" + "  )\n" + "then\n" + "  list.addAll(((org.drools.core.spi.Activation)kcontext.getMatch()).getObjectsDeep());\n" + "end\n";
    KieSession ksession = new KieHelper().addContent(str, ResourceType.DRL).build().newKieSession();
    List<Object> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    Bar roadsterType = new Bar("roadster");
    ksession.insert(roadsterType);
    Foo bmwZ4 = new Foo("BMW Z4", roadsterType);
    ksession.insert(bmwZ4);
    Foo lotusElise = new Foo("Lotus Elise", roadsterType);
    ksession.insert(lotusElise);
    Foo mazdaMx5 = new Foo("Mazda MX-5", roadsterType);
    ksession.insert(mazdaMx5);
    Bar miniVanType = new Bar("minivan");
    ksession.insert(miniVanType);
    Foo kieCarnival = new Foo("Kia Carnival", miniVanType);
    ksession.insert(kieCarnival);
    Foo renaultEspace = new Foo("Renault Espace", miniVanType);
    ksession.insert(renaultEspace);
    ksession.fireAllRules();
    assertTrue(list.contains(roadsterType));
    assertTrue(list.contains(bmwZ4));
    assertTrue(list.contains(lotusElise));
    assertTrue(list.contains(mazdaMx5));
    ksession.dispose();
}

Example 3 with Bar

use of org.drools.compiler.Bar in project drools by kiegroup.

the class MatchTest method testGetObjectsOnePattern.

@Test
public void testGetObjectsOnePattern() {
    // DROOLS-1470
    String str = "import org.drools.compiler.Foo\n" + "import org.drools.compiler.Bar\n" + "global java.util.List list\n" + "rule R when\n" + "  Foo(id == \"Lotus Elise\")\n" + "then\n" + "  list.addAll(kcontext.getMatch().getObjects());\n" + "end\n";
    KieSession ksession = new KieHelper().addContent(str, ResourceType.DRL).build().newKieSession();
    List<Object> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    Bar roadsterType = new Bar("roadster");
    ksession.insert(roadsterType);
    Foo bmwZ4 = new Foo("BMW Z4", roadsterType);
    ksession.insert(bmwZ4);
    Foo lotusElise = new Foo("Lotus Elise", roadsterType);
    ksession.insert(lotusElise);
    Foo mazdaMx5 = new Foo("Mazda MX-5", roadsterType);
    ksession.insert(mazdaMx5);
    Bar miniVanType = new Bar("minivan");
    ksession.insert(miniVanType);
    Foo kieCarnival = new Foo("Kia Carnival", miniVanType);
    ksession.insert(kieCarnival);
    Foo renaultEspace = new Foo("Renault Espace", miniVanType);
    ksession.insert(renaultEspace);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertTrue(list.contains(lotusElise));
    ksession.dispose();
}

Example 4 with Bar

use of org.drools.compiler.Bar in project drools by kiegroup.

the class MatchTest method testGetObjectsAccumulateWithNestedExists.

@Test
public void testGetObjectsAccumulateWithNestedExists() {
    // DROOLS-1474
    String str = "import org.drools.compiler.Foo\n" + "import org.drools.compiler.Bar\n" + "global java.util.List list\n" + "rule R when\n" + "  $b1 : Bar(id == \"roadster\")\n" + "  accumulate(\n" + "    $b2 : Bar(this != $b1) and exists Foo(bar == $b2);\n" + "    $t : count($b2)\n" + "  )\n" + "then\n" + "  list.addAll(((org.drools.core.spi.Activation)kcontext.getMatch()).getObjectsDeep());\n" + "end\n";
    KieSession ksession = new KieHelper().addContent(str, ResourceType.DRL).build().newKieSession();
    List<Object> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    Bar roadsterType = new Bar("roadster");
    ksession.insert(roadsterType);
    Foo bmwZ4 = new Foo("BMW Z4", roadsterType);
    ksession.insert(bmwZ4);
    Foo lotusElise = new Foo("Lotus Elise", roadsterType);
    ksession.insert(lotusElise);
    Foo mazdaMx5 = new Foo("Mazda MX-5", roadsterType);
    ksession.insert(mazdaMx5);
    Bar miniVanType = new Bar("minivan");
    ksession.insert(miniVanType);
    Foo kiaCarnival = new Foo("Kia Carnival", miniVanType);
    ksession.insert(kiaCarnival);
    Foo renaultEspace = new Foo("Renault Espace", miniVanType);
    ksession.insert(renaultEspace);
    ksession.fireAllRules();
    assertTrue(list.contains(roadsterType));
    assertFalse(list.contains(bmwZ4));
    assertFalse(list.contains(lotusElise));
    assertFalse(list.contains(mazdaMx5));
    assertTrue(list.contains(miniVanType));
    assertTrue(list.contains(kiaCarnival));
    assertTrue(list.contains(renaultEspace));
    ksession.dispose();
}

Example 5 with Bar

use of org.drools.compiler.Bar in project drools by kiegroup.

the class MatchTest method testGetObjectsExists.

@Test
public void testGetObjectsExists() {
    // DROOLS-1474
    String str = "import org.drools.compiler.Foo\n" + "import org.drools.compiler.Bar\n" + "global java.util.List list\n" + "rule R when\n" + "  $b : Bar(id == \"roadster\")\n" + "  exists Foo(bar == $b)\n" + "then\n" + "  list.addAll(((org.drools.core.spi.Activation)kcontext.getMatch()).getObjectsDeep());\n" + "end\n";
    KieSession ksession = new KieHelper().addContent(str, ResourceType.DRL).build().newKieSession();
    List<Object> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    Bar roadsterType = new Bar("roadster");
    ksession.insert(roadsterType);
    Foo bmwZ4 = new Foo("BMW Z4", roadsterType);
    ksession.insert(bmwZ4);
    Foo lotusElise = new Foo("Lotus Elise", roadsterType);
    ksession.insert(lotusElise);
    Foo mazdaMx5 = new Foo("Mazda MX-5", roadsterType);
    ksession.insert(mazdaMx5);
    Bar miniVanType = new Bar("minivan");
    ksession.insert(miniVanType);
    Foo kiaCarnival = new Foo("Kia Carnival", miniVanType);
    ksession.insert(kiaCarnival);
    Foo renaultEspace = new Foo("Renault Espace", miniVanType);
    ksession.insert(renaultEspace);
    ksession.fireAllRules();
    assertTrue(list.contains(roadsterType));
    assertTrue(list.contains(bmwZ4));
    assertTrue(list.contains(lotusElise));
    assertTrue(list.contains(mazdaMx5));
    assertFalse(list.contains(miniVanType));
    assertFalse(list.contains(kiaCarnival));
    assertFalse(list.contains(renaultEspace));
    ksession.dispose();
}