Examples with LeftTupleSink org.drools.core.reteoo.LeftTupleSink used on opensource projects

Example 6 with LeftTupleSink

use of org.drools.core.reteoo.LeftTupleSink in project drools by kiegroup.

the class FromTest method testFromSharing.

@Test
public void testFromSharing() {
    // Keeping original test as non-property reactive by default, just allowed.
    String drl = "import " + ListsContainer.class.getCanonicalName() + "\n" + "global java.util.List output1;\n" + "global java.util.List output2;\n" + "rule R1 when\n" + "    ListsContainer( $list : list1 )\n" + "    $s : String( length == 2 ) from $list\n" + "then\n" + "    output1.add($s);\n" + "end\n" + "rule R2 when\n" + "    ListsContainer( $list : list2 )\n" + "    $s : String( length == 2 ) from $list\n" + "then\n" + "    output2.add($s);\n" + "end\n" + "rule R3 when\n" + "    ListsContainer( $list : list2 )\n" + "    $s : String( length == 2 ) from $list\n" + "then\n" + "    output2.add($s);\n" + "end\n";
    KieBase kbase = new KieHelper(PropertySpecificOption.ALLOWED).addContent(drl, ResourceType.DRL).build();
    KieSession ksession = kbase.newKieSession();
    ReteDumper.dumpRete(kbase);
    List<String> output1 = new ArrayList<String>();
    ksession.setGlobal("output1", output1);
    List<String> output2 = new ArrayList<String>();
    ksession.setGlobal("output2", output2);
    FactHandle fh = ksession.insert(new ListsContainer());
    ksession.fireAllRules();
    assertEquals("bb", output1.get(0));
    assertEquals("22", output2.get(0));
    assertEquals("22", output2.get(1));
    EntryPointNode epn = ((InternalKnowledgeBase) kbase).getRete().getEntryPointNodes().values().iterator().next();
    ObjectTypeNode otn = epn.getObjectTypeNodes().get(new ClassObjectType(ListsContainer.class));
    // There is only 1 LIA
    assertEquals(1, otn.getObjectSinkPropagator().size());
    LeftInputAdapterNode lian = (LeftInputAdapterNode) otn.getObjectSinkPropagator().getSinks()[0];
    // There are only 2 FromNodes since R2 and R3 are sharing the second From
    LeftTupleSink[] sinks = lian.getSinkPropagator().getSinks();
    assertEquals(2, sinks.length);
    // The first from has R1 has sink
    assertEquals(1, sinks[0].getSinkPropagator().size());
    // The second from has both R2 and R3 as sinks
    assertEquals(2, sinks[1].getSinkPropagator().size());
}

Example 7 with LeftTupleSink

use of org.drools.core.reteoo.LeftTupleSink in project drools by kiegroup.

the class NodePositionInPathTest method test.

@Test
public void test() {
    String drl = "rule R1 when\n" + "    Integer()\n" + "    exists( Integer() and Integer() )\n" + "    String()\n" + "then\n" + "end\n" + "rule R2 when\n" + "    Integer()\n" + "    exists( Integer() and String() )\n" + "then\n" + "end\n";
    KieBase kbase = new KieHelper().addContent(drl, ResourceType.DRL).build();
    ReteDumper.dumpRete(((InternalKnowledgeBase) kbase));
    Rete rete = ((KnowledgeBaseImpl) kbase).getRete();
    LeftInputAdapterNode liaNode = null;
    for (ObjectTypeNode otn : rete.getObjectTypeNodes()) {
        Class<?> otnType = ((ClassObjectType) otn.getObjectType()).getClassType();
        if (Integer.class == otnType) {
            liaNode = (LeftInputAdapterNode) otn.getObjectSinkPropagator().getSinks()[0];
        }
    }
    assertEquals(0, liaNode.getPositionInPath());
    LeftTupleSink[] liaSinks = liaNode.getSinkPropagator().getSinks();
    BetaNode join1 = (BetaNode) liaSinks[0];
    assertEquals(1, join1.getPositionInPath());
    ExistsNode ex1 = (ExistsNode) liaSinks[1];
    assertEquals(1, ex1.getPositionInPath());
    BetaNode join2 = (BetaNode) ex1.getSinkPropagator().getSinks()[0];
    assertEquals(2, join2.getPositionInPath());
    RuleTerminalNode rtn1 = (RuleTerminalNode) join2.getSinkPropagator().getSinks()[0];
    assertEquals(3, rtn1.getPositionInPath());
    ExistsNode ex2 = (ExistsNode) liaSinks[2];
    assertEquals(1, ex2.getPositionInPath());
    RuleTerminalNode rtn2 = (RuleTerminalNode) ex2.getSinkPropagator().getSinks()[0];
    assertEquals(2, rtn2.getPositionInPath());
    BetaNode join3 = (BetaNode) join1.getSinkPropagator().getSinks()[0];
    assertEquals(2, join3.getPositionInPath());
    RightInputAdapterNode ria1 = (RightInputAdapterNode) join3.getSinkPropagator().getSinks()[0];
    assertEquals(3, ria1.getPositionInPath());
    BetaNode join4 = (BetaNode) join1.getSinkPropagator().getSinks()[1];
    assertEquals(2, join4.getPositionInPath());
    RightInputAdapterNode ria2 = (RightInputAdapterNode) join4.getSinkPropagator().getSinks()[0];
    assertEquals(3, ria2.getPositionInPath());
    LeftTupleNode[] rtn1PathNodes = rtn1.getPathNodes();
    assertEquals(4, rtn1PathNodes.length);
    checkNodePosition(rtn1PathNodes, liaNode);
    checkNodePosition(rtn1PathNodes, ex1);
    checkNodePosition(rtn1PathNodes, join2);
    checkNodePosition(rtn1PathNodes, rtn1);
    LeftTupleNode[] rtn2PathNodes = rtn2.getPathNodes();
    assertEquals(3, rtn2PathNodes.length);
    checkNodePosition(rtn2PathNodes, liaNode);
    checkNodePosition(rtn2PathNodes, ex2);
    checkNodePosition(rtn2PathNodes, rtn2);
    LeftTupleNode[] ria1PathNodes = ria1.getPathNodes();
    assertEquals(4, ria1PathNodes.length);
    checkNodePosition(ria1PathNodes, liaNode);
    checkNodePosition(ria1PathNodes, join1);
    checkNodePosition(ria1PathNodes, join3);
    checkNodePosition(ria1PathNodes, ria1);
    LeftTupleNode[] ria2PathNodes = ria2.getPathNodes();
    assertEquals(4, ria2PathNodes.length);
    checkNodePosition(ria2PathNodes, liaNode);
    checkNodePosition(ria2PathNodes, join1);
    checkNodePosition(ria2PathNodes, join4);
    checkNodePosition(ria2PathNodes, ria2);
}

Example 8 with LeftTupleSink

use of org.drools.core.reteoo.LeftTupleSink in project drools by kiegroup.

the class AlphaNetworkModifyTest method testModifyWithLiaToAcc.

@Test
public void testModifyWithLiaToAcc() {
    // technically you can't have a modify with InitialFactImpl
    // But added test for completeness
    String str = "";
    str += "package org.simple \n";
    str += "import " + Person.class.getCanonicalName() + "\n";
    str += "import " + Cheese.class.getCanonicalName() + "\n";
    str += "import " + Cat.class.getCanonicalName() + "\n";
    str += "global java.util.List list \n";
    str += "rule x1 \n";
    str += "when \n";
    str += "    Object() from accumulate( $p : Person() and Cheese(), collectList( $p ) )\n";
    str += "    Person() \n";
    str += "then \n";
    str += "end  \n";
    str += "rule x2 \n";
    str += "when \n";
    str += "    Object() from accumulate( $ch : Cheese(), collectList( $ch ) )\n";
    str += "    Person() \n";
    str += "then \n";
    str += "end  \n";
    str += "rule x3 \n";
    str += "when \n";
    str += "    Object() from accumulate( $ch : Cheese(), collectList( $ch ) )\n";
    str += "    Person() \n";
    str += "then \n";
    str += "end  \n";
    str += "rule x4 \n";
    str += "when \n";
    str += "    Object() from accumulate( $ch : Cheese(), collectList( $ch ) )\n";
    str += "    Person() \n";
    str += "then \n";
    str += "end  \n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession wm = kbase.newKieSession();
    wm.fireAllRules();
    ObjectTypeNode otnInit = getObjectTypeNode(kbase, "InitialFactImpl");
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) otnInit.getObjectSinkPropagator().getSinks()[0];
    LeftTupleSink[] sinks = liaNode.getSinkPropagator().getSinks();
    assertEquals(0, sinks[0].getLeftInputOtnId().getId());
    assertEquals(1, sinks[1].getLeftInputOtnId().getId());
    assertEquals(2, sinks[2].getLeftInputOtnId().getId());
    ObjectTypeNode otnPerson = getObjectTypeNode(kbase, "Person");
    ObjectTypeNode otnCheese = getObjectTypeNode(kbase, "Cheese");
    assertEquals(0, otnPerson.getOtnIdCounter());
    assertEquals(0, otnCheese.getOtnIdCounter());
    wm.insert(new Person());
    wm.insert(new Cheese());
    wm.fireAllRules();
    assertEquals(3, otnPerson.getOtnIdCounter());
    assertEquals(2, otnCheese.getOtnIdCounter());
}

Example 9 with LeftTupleSink

use of org.drools.core.reteoo.LeftTupleSink in project drools by kiegroup.

the class AccumulateTest method testAccumulateWithSameSubnetwork.

// (timeout = 10000)
@Test
public void testAccumulateWithSameSubnetwork() throws Exception {
    String rule = "package org.drools.compiler.test;\n" + "import org.drools.compiler.Cheese;\n" + "import org.drools.compiler.Person;\n" + "global java.util.List list; \n" + "rule r1 salience 100 \n" + "    when\n" + "        $person      : Person( name == 'Alice', $likes : likes )\n" + "        $total       : Number() from accumulate( $p : Person(likes != $likes, $l : likes) and $c : Cheese( type == $l ),\n" + "                                                min($c.getPrice()) )\n" + "    then\n" + "        list.add( 'r1' + ':' + $total);\n" + "end\n" + "rule r2 \n" + "    when\n" + "        $person      : Person( name == 'Alice', $likes : likes )\n" + "        $total       : Number() from accumulate( $p : Person(likes != $likes, $l : likes) and $c : Cheese( type == $l ),\n" + "                                                max($c.getPrice()) )\n" + "    then\n" + "        list.add( 'r2' + ':' + $total);\n" + "end\n" + "";
    // read in the source
    KieBase kbase = loadKnowledgeBaseFromString(rule);
    KieSession wm = createKnowledgeSession(kbase);
    List list = new ArrayList();
    wm.setGlobal("list", list);
    // Check the network formation, to ensure the RiaNode is shared.
    ObjectTypeNode cheeseOtn = LinkingTest.getObjectTypeNode(kbase, Cheese.class);
    ObjectSink[] oSinks = cheeseOtn.getObjectSinkPropagator().getSinks();
    assertEquals(1, oSinks.length);
    JoinNode cheeseJoin = (JoinNode) oSinks[0];
    LeftTupleSink[] ltSinks = cheeseJoin.getSinkPropagator().getSinks();
    assertEquals(1, ltSinks.length);
    RightInputAdapterNode rian = (RightInputAdapterNode) ltSinks[0];
    // RiaNode is shared, if this has two outputs
    assertEquals(2, rian.getObjectSinkPropagator().size());
    wm.insert(new Cheese("stilton", 10));
    wm.insert(new Person("Alice", "brie"));
    wm.insert(new Person("Bob", "stilton"));
    wm.fireAllRules();
    assertEquals(2, list.size());
    assertEquals("r1:10", list.get(0));
    assertEquals("r2:10", list.get(1));
}

Example 10 with LeftTupleSink

use of org.drools.core.reteoo.LeftTupleSink in project drools by kiegroup.

the class AlphaNetworkModifyTest method testModifyWithLiaToFrom.

@Test
public void testModifyWithLiaToFrom() {
    // technically you can't have a modify with InitialFactImpl
    // But added test for completeness
    String str = "";
    str += "package org.simple \n";
    str += "import " + Person.class.getCanonicalName() + "\n";
    str += "import " + Cheese.class.getCanonicalName() + "\n";
    str += "import " + Cat.class.getCanonicalName() + "\n";
    str += "global java.util.List list \n";
    str += "rule x1 \n";
    str += "when \n";
    str += "    $pe : Person() from list\n";
    str += "then \n";
    str += "end  \n";
    str += "rule x2 \n";
    str += "when \n";
    str += "    $ch : Cheese() from list\n";
    str += "then \n";
    str += "end  \n";
    str += "rule x3 \n";
    str += "when \n";
    str += "    $ch : Cheese() from list\n";
    str += "then \n";
    str += "end  \n";
    str += "rule x4 \n";
    str += "when \n";
    str += "    $ch : Cheese() from list\n";
    str += "    eval( $ch != null ) \n";
    str += "then \n";
    str += "end  \n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession wm = kbase.newKieSession();
    wm.fireAllRules();
    ObjectTypeNode otnInit = getObjectTypeNode(kbase, "InitialFactImpl");
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) otnInit.getObjectSinkPropagator().getSinks()[0];
    LeftTupleSink[] sinks = liaNode.getSinkPropagator().getSinks();
    assertEquals(2, sinks.length);
    assertEquals(0, sinks[0].getLeftInputOtnId().getId());
    assertEquals(1, sinks[1].getLeftInputOtnId().getId());
}