Examples with QueryResults org.kie.api.runtime.rule.QueryResults used on opensource projects

Example 41 with QueryResults

use of org.kie.api.runtime.rule.QueryResults in project drools by kiegroup.

the class AccumulateTest method testAccumulateWithVarsOutOfHashOrder.

@Test(timeout = 10000)
public void testAccumulateWithVarsOutOfHashOrder() throws Exception {
    // JBRULES-3494
    String rule = "package com.sample;\n" + "\n" + "import java.util.List;\n" + "\n" + "declare MessageHolder\n" + "  id : String\n" + "  msg: String\n" + "end\n" + "\n" + "query getResults( String $mId, List $holders )\n" + "  accumulate(  \n" + "    $holder  : MessageHolder( id == $mId, $ans : msg ),\n" + "    $holders := collectList( $holder )\n" + "  ) \n" + "end\n" + "\n" + "rule \"Init\"\n" + "when\n" + "then\n" + "  insert( new MessageHolder( \"1\", \"x\" ) );\n" + "end\n";
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newReaderResource(new StringReader(rule)), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    final InternalKnowledgeBase kbase = (InternalKnowledgeBase) getKnowledgeBase();
    KieSession ksession = createKnowledgeSession(kbase);
    kbase.addPackages(loadKnowledgePackagesFromString(rule));
    ksession.fireAllRules();
    QueryResults res = ksession.getQueryResults("getResults", "1", Variable.v);
    assertEquals(1, res.size());
    Object o = res.iterator().next().get("$holders");
    assertTrue(o instanceof List);
    assertEquals(1, ((List) o).size());
}

Example 42 with QueryResults

use of org.kie.api.runtime.rule.QueryResults in project drools by kiegroup.

the class BackwardChainingTest method testSubNetworksAndQueries.

@Test(timeout = 10000)
public void testSubNetworksAndQueries() throws Exception {
    String str = "" + "package org.drools.compiler.test  \n" + "import java.util.List\n" + "import java.util.ArrayList\n" + "import java.util.Map\n" + "import java.util.HashMap\n" + "global List list\n" + "dialect \"mvel\"\n" + "\n" + "declare Location\n" + "    thing : String \n" + "    location : String \n" + "end" + "\n" + "declare Edible\n" + "   thing : String\n" + "end" + "\n" + "query whereFood( String x, String y ) \n" + "    Location(x, y;) Edible(x;) \n" + "end\n" + "\n" + "query look(String place, List food ) \n" + "    $s : String() // just here to give a OTN lookup point\n" + "    food := List() from accumulate( whereFood(thing, place;) ," + "                                    collectList( thing ) )\n" + "    exists( whereFood(thing, place;) )\n" + "    not( whereFood(thing, place;) and\n " + "         String( this == $s ) from thing )\n" + "end\n" + "\n" + "rule init when\n" + "then\n" + "        \n" + "        insert( new Location(\"apple\", \"kitchen\") );\n" + "        insert( new Location(\"crackers\", \"kitchen\") );\n" + "        insert( new Location(\"broccoli\", \"kitchen\") );\n" + "        insert( new Location(\"computer\", \"office\") );\n" + "        insert( new Edible(\"apple\") );\n" + "        insert( new Edible(\"crackers\") );\n" + "end\n" + "";
    logger.debug(str);
    KieBase kbase = SerializationHelper.serializeObject(loadKnowledgeBaseFromString(str));
    // Get the accumulate node, so we can test it's memory later
    // now check beta memory was correctly cleared
    List<ObjectTypeNode> nodes = ((KnowledgeBaseImpl) kbase).getRete().getObjectTypeNodes();
    ObjectTypeNode node = null;
    for (ObjectTypeNode n : nodes) {
        if (((ClassObjectType) n.getObjectType()).getClassType() == String.class) {
            node = n;
            break;
        }
    }
    BetaNode stringBetaNode = (BetaNode) node.getObjectSinkPropagator().getSinks()[0];
    QueryElementNode queryElementNode1 = (QueryElementNode) stringBetaNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode1 = (RightInputAdapterNode) queryElementNode1.getSinkPropagator().getSinks()[0];
    AccumulateNode accNode = (AccumulateNode) riaNode1.getObjectSinkPropagator().getSinks()[0];
    QueryElementNode queryElementNode2 = (QueryElementNode) accNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode2 = (RightInputAdapterNode) queryElementNode2.getSinkPropagator().getSinks()[0];
    ExistsNode existsNode = (ExistsNode) riaNode2.getObjectSinkPropagator().getSinks()[0];
    QueryElementNode queryElementNode3 = (QueryElementNode) existsNode.getSinkPropagator().getSinks()[0];
    FromNode fromNode = (FromNode) queryElementNode3.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode3 = (RightInputAdapterNode) fromNode.getSinkPropagator().getSinks()[0];
    NotNode notNode = (NotNode) riaNode3.getObjectSinkPropagator().getSinks()[0];
    KieSession ksession = createKnowledgeSession(kbase);
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) ksession);
    AccumulateMemory accMemory = (AccumulateMemory) wm.getNodeMemory(accNode);
    BetaMemory existsMemory = (BetaMemory) wm.getNodeMemory(existsNode);
    FromMemory fromMemory = (FromMemory) wm.getNodeMemory(fromNode);
    BetaMemory notMemory = (BetaMemory) wm.getNodeMemory(notNode);
    List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
    ksession.setGlobal("list", list);
    FactHandle fh = ksession.insert("bread");
    ksession.fireAllRules();
    final List food = new ArrayList();
    QueryResults results = null;
    // Execute normal query and check no subnetwork tuples are left behind
    results = ksession.getQueryResults("look", new Object[] { "kitchen", Variable.v });
    assertEquals(1, results.size());
    for (org.kie.api.runtime.rule.QueryResultsRow row : results) {
        food.addAll((Collection) row.get("food"));
        logger.debug(row.get("food").toString());
    }
    assertEquals(2, food.size());
    assertContains(new String[] { "crackers", "apple" }, food);
    assertEquals(0, accMemory.getBetaMemory().getRightTupleMemory().size());
    assertEquals(0, existsMemory.getRightTupleMemory().size());
    assertEquals(0, fromMemory.getBetaMemory().getLeftTupleMemory().size());
    assertEquals(0, notMemory.getRightTupleMemory().size());
    // Now execute an open query and ensure the memory is left populated
    food.clear();
    final List foodUpdated = new ArrayList();
    LiveQuery query = ksession.openLiveQuery("look", new Object[] { "kitchen", Variable.v }, new ViewChangedEventListener() {

        public void rowUpdated(Row row) {
            foodUpdated.addAll((Collection) row.get("food"));
        }

        public void rowDeleted(Row row) {
        }

        public void rowInserted(Row row) {
            food.addAll((Collection) row.get("food"));
        }
    });
    assertEquals(2, food.size());
    assertContains(new String[] { "crackers", "apple" }, food);
    assertEquals(2, accMemory.getBetaMemory().getRightTupleMemory().size());
    assertEquals(2, existsMemory.getRightTupleMemory().size());
    assertEquals(2, fromMemory.getBetaMemory().getLeftTupleMemory().size());
    assertEquals(0, notMemory.getRightTupleMemory().size());
    food.clear();
    // Now try again, make sure it only delete's it's own tuples
    results = ksession.getQueryResults("look", new Object[] { "kitchen", Variable.v });
    assertEquals(1, results.size());
    for (org.kie.api.runtime.rule.QueryResultsRow row : results) {
        food.addAll((Collection) row.get("food"));
        logger.debug(row.get("food").toString());
    }
    assertEquals(2, food.size());
    assertContains(new String[] { "crackers", "apple" }, food);
    assertEquals(2, accMemory.getBetaMemory().getRightTupleMemory().size());
    assertEquals(2, existsMemory.getRightTupleMemory().size());
    assertEquals(2, fromMemory.getBetaMemory().getLeftTupleMemory().size());
    assertEquals(0, notMemory.getRightTupleMemory().size());
    food.clear();
    // do an update and check it's  still memory size 2
    // however this time the food should be empty, as 'crackers' now blocks the not.
    ksession.update(fh, "crackers");
    ksession.fireAllRules();
    assertEquals(2, accMemory.getBetaMemory().getRightTupleMemory().size());
    assertEquals(2, existsMemory.getRightTupleMemory().size());
    assertEquals(2, fromMemory.getBetaMemory().getLeftTupleMemory().size());
    assertEquals(1, notMemory.getRightTupleMemory().size());
    assertEquals(0, foodUpdated.size());
    // do an update and check it's  still memory size 2
    // this time
    ksession.update(fh, "oranges");
    ksession.fireAllRules();
    assertEquals(2, accMemory.getBetaMemory().getRightTupleMemory().size());
    assertEquals(2, existsMemory.getRightTupleMemory().size());
    assertEquals(2, fromMemory.getBetaMemory().getLeftTupleMemory().size());
    assertEquals(0, notMemory.getRightTupleMemory().size());
    assertEquals(2, food.size());
    assertContains(new String[] { "crackers", "apple" }, food);
    // Close the open
    query.close();
    assertEquals(0, accMemory.getBetaMemory().getRightTupleMemory().size());
    assertEquals(0, existsMemory.getRightTupleMemory().size());
    assertEquals(0, fromMemory.getBetaMemory().getLeftTupleMemory().size());
    assertEquals(0, notMemory.getRightTupleMemory().size());
}

Example 43 with QueryResults

use of org.kie.api.runtime.rule.QueryResults in project drools by kiegroup.

the class CepEspTest method testTemporalQuery.

@Test
public void testTemporalQuery() {
    // BZ-967441
    String drl = "package org.drools.compiler.integrationtests;\n" + "\n" + "import org.drools.compiler.integrationtests.CepEspTest.TestEvent;\n" + "\n" + "declare TestEvent\n" + "    @role( event )\n" + "end\n" + "\n" + "query EventsBeforeNineSeconds\n" + "   $event : TestEvent() from entry-point EStream\n" + "   $result : TestEvent ( this after [0s, 9s] $event) from entry-point EventStream\n" + "end\n";
    KieFileSystem kfs = KieServices.Factory.get().newKieFileSystem();
    kfs.write("src/main/resources/querytest.drl", drl);
    KieBuilder kbuilder = KieServices.Factory.get().newKieBuilder(kfs);
    kbuilder.buildAll();
    KieBase kbase = KieServices.Factory.get().newKieContainer(kbuilder.getKieModule().getReleaseId()).getKieBase();
    KieSessionConfiguration ksconfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    ksconfig.setOption(ClockTypeOption.get("pseudo"));
    KieSession ksession = kbase.newKieSession(ksconfig, null);
    SessionPseudoClock clock = ksession.getSessionClock();
    EntryPoint ePoint = ksession.getEntryPoint("EStream");
    EntryPoint entryPoint = ksession.getEntryPoint("EventStream");
    ePoint.insert(new TestEvent("zero"));
    entryPoint.insert(new TestEvent("one"));
    clock.advanceTime(10, TimeUnit.SECONDS);
    entryPoint.insert(new TestEvent("two"));
    clock.advanceTime(10, TimeUnit.SECONDS);
    entryPoint.insert(new TestEvent("three"));
    QueryResults results = ksession.getQueryResults("EventsBeforeNineSeconds");
    assertEquals(1, results.size());
    ksession.dispose();
}

Example 44 with QueryResults

use of org.kie.api.runtime.rule.QueryResults in project drools by kiegroup.

the class CepEspTest method AfterOperatorInCEPQueryTest.

@Test
public void AfterOperatorInCEPQueryTest() {
    String drl = "package org.drools;\n" + "import org.drools.compiler.StockTick; \n" + "\n" + "declare StockTick\n" + "    @role( event )\n" + "end\n" + "\n" + "query EventsBeforeNineSeconds\n" + "   $event : StockTick() from entry-point EStream\n" + "   $result : StockTick ( this after [0s, 9s] $event) from entry-point EventStream\n" + "end\n" + "\n" + "query EventsBeforeNineteenSeconds\n" + "   $event : StockTick() from entry-point EStream\n" + "   $result : StockTick ( this after [0s, 19s] $event) from entry-point EventStream\n" + "end\n" + "\n" + "query EventsBeforeHundredSeconds\n" + "   $event : StockTick() from entry-point EStream\n" + "   $result : StockTick ( this after [0s, 100s] $event) from entry-point EventStream\n" + "end\n";
    final KieBaseConfiguration kbconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kbconf.setOption(EventProcessingOption.STREAM);
    final KieBase kbase = loadKnowledgeBaseFromString(kbconf, drl);
    KieSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    ksconf.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
    KieSession ksession = createKnowledgeSession(kbase, ksconf);
    SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
    EntryPoint ePoint = ksession.getEntryPoint("EStream");
    EntryPoint entryPoint = ksession.getEntryPoint("EventStream");
    ePoint.insert(new StockTick(0L, "zero", 0.0, 0));
    entryPoint.insert(new StockTick(1L, "one", 0.0, 0));
    clock.advanceTime(10, TimeUnit.SECONDS);
    entryPoint.insert(new StockTick(2L, "two", 0.0, 0));
    clock.advanceTime(10, TimeUnit.SECONDS);
    entryPoint.insert(new StockTick(3L, "three", 0.0, 0));
    QueryResults results = ksession.getQueryResults("EventsBeforeNineSeconds");
    assertEquals(0, results.size());
    results = ksession.getQueryResults("EventsBeforeNineteenSeconds");
    assertEquals(0, results.size());
    results = ksession.getQueryResults("EventsBeforeHundredSeconds");
    assertEquals(1, results.size());
    ksession.dispose();
}

Example 45 with QueryResults

use of org.kie.api.runtime.rule.QueryResults in project drools by kiegroup.

the class BackwardChainingTest method testOpenBackwardChain.

// (timeout = 10000)
@Test
public void testOpenBackwardChain() throws Exception {
    // http://www.amzi.com/AdventureInProlog/advtop.php
    String str = "" + "package org.drools.compiler.test  \n" + "import java.util.List\n" + "import java.util.ArrayList\n" + "import org.drools.compiler.Person\n" + "global List list\n" + "dialect \"mvel\"\n" + "declare Location\n" + "    thing : String \n" + "    location : String \n" + "end" + "\n" + "query isContainedIn( String x, String y ) \n" + "    Location(x, y;)\n" + "    or \n" + "    ( Location(z, y;) and isContainedIn(x, z;) )\n" + "end\n" + "\n" + "rule look when \n" + "    Person( $l : likes ) \n" + "    isContainedIn( $l, 'office'; )\n" + "then\n" + "   insertLogical( 'blah' );" + "end\n" + "rule existsBlah when \n" + "    exists String( this == 'blah') \n" + "then\n" + "   list.add( 'exists blah' );" + "end\n" + "\n" + "rule notBlah when \n" + "    not String( this == 'blah') \n" + "then\n" + "   list.add( 'not blah' );" + "end\n" + "\n" + "rule init when\n" + "then\n" + // "        insert( new Location(\"apple\", \"kitchen\") );\n" +
    "        insert( new Location(\"desk\", \"office\") );\n" + // "        insert( new Location(\"flashlight\", \"desk\") );\n" +
    "        insert( new Location(\"envelope\", \"desk\") );\n" + "        insert( new Location(\"key\", \"envelope\") );\n" + // "        insert( new Location(\"computer\", \"office\") );\n" +
    "end\n" + "\n" + "rule go1 when \n" + "    String( this == 'go1') \n" + "then\n" + "        list.add( rule.getName() ); \n" + "        insert( new Location('lamp', 'desk') );\n" + "end\n" + "\n" + "rule go2 when \n" + "    String( this == 'go2') \n" + "    $l : Location('lamp', 'desk'; )\n" + "then\n" + "    list.add( rule.getName() ); \n" + "    retract( $l );\n" + "end\n" + "\n" + "rule go3 when \n" + "    String( this == 'go3') \n" + "then\n" + "        list.add( rule.getName() ); \n" + "        insert( new Location('lamp', 'desk') );\n" + "end\n" + "\n" + "rule go4 when \n" + "    String( this == 'go4') \n" + "    $l : Location('lamp', 'desk'; )\n" + "then\n" + "        list.add( rule.getName() ); \n" + "    modify( $l ) { thing = 'book' };\n" + "end\n" + "\n" + "rule go5 when \n" + "    String( this == 'go5') \n" + "    $l : Location('book', 'desk'; )\n" + "then\n" + "    list.add( rule.getName() ); \n" + "    modify( $l ) { thing = 'lamp' };\n" + "end\n" + "\n" + "rule go6 when \n" + "    String( this == 'go6') \n" + "    $l : Location( 'lamp', 'desk'; )\n" + "then\n" + "    list.add( rule.getName() ); \n" + "    modify( $l ) { thing = 'book' };\n" + "end\n" + "\n" + "rule go7 when \n" + "    String( this == 'go7') \n" + "    $p : Person( likes == 'lamp' ) \n" + "then\n" + "    list.add( rule.getName() ); \n" + "    modify( $p ) { likes = 'key' };\n" + "end\n" + "\n";
    KieBase kbase = SerializationHelper.serializeObject(loadKnowledgeBaseFromString(str));
    KieSession ksession = createKnowledgeSession(kbase);
    List<String> list = new ArrayList<String>();
    ksession.setGlobal("list", list);
    QueryResults results = null;
    Person p = new Person();
    p.setLikes("lamp");
    FactHandle handle = ksession.insert(p);
    // ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals("not blah", list.get(0));
    list.clear();
    InternalFactHandle fh = (InternalFactHandle) ksession.insert("go1");
    // ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    assertEquals("go1", list.get(0));
    assertEquals("exists blah", list.get(1));
    fh = (InternalFactHandle) ksession.insert("go2");
    // ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    assertEquals("go2", list.get(2));
    assertEquals("not blah", list.get(3));
    fh = (InternalFactHandle) ksession.insert("go3");
    logger.trace("--------------");
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    assertEquals("go3", list.get(4));
    assertEquals("exists blah", list.get(5));
    fh = (InternalFactHandle) ksession.insert("go4");
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    assertEquals("go4", list.get(6));
    assertEquals("not blah", list.get(7));
    fh = (InternalFactHandle) ksession.insert("go5");
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    assertEquals("go5", list.get(8));
    assertEquals("exists blah", list.get(9));
    // This simulates a modify of the root DroolsQuery object, but first we break it
    fh = (InternalFactHandle) ksession.insert("go6");
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    assertEquals("go6", list.get(10));
    assertEquals("not blah", list.get(11));
    // now fix it
    fh = (InternalFactHandle) ksession.insert("go7");
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    fh = getFactHandle(fh, ksession);
    ksession.retract(fh);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    assertEquals("go7", list.get(12));
    assertEquals("exists blah", list.get(13));
}