Package org.drools.compiler

Examples of org.drools.compiler.PackageBuilder$TypeDefinition

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        final Package pkg = new Package( "pkg1" );

        ActionDescr actionDescr = new ActionDescr();
        actionDescr.setText( "list.add( 'hello world' )" );      

        PackageBuilder pkgBuilder = new PackageBuilder( pkg );
       
        PackageRegistry pkgReg = pkgBuilder.getPackageRegistry( pkg.getName() );
        MVELDialect mvelDialect = ( MVELDialect ) pkgReg.getDialectCompiletimeRegistry().getDialect( "mvel" );

        PackageBuildContext context = new PackageBuildContext();
        context.init( pkgBuilder, pkg, null, pkgReg.getDialectCompiletimeRegistry(), mvelDialect, null);
       
        pkgBuilder.addPackageFromDrl( new StringReader("package pkg1;\nglobal java.util.List list;\n") );       
       
        ActionNode actionNode = new ActionNode();
        DroolsAction action = new DroolsConsequenceAction("java", null);
        actionNode.setAction(action);
       
        final MVELActionBuilder builder = new MVELActionBuilder();
        builder.build( context,
                       action,
                       actionDescr,
                       actionNode );

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkgBuilder.getPackage() );
        final WorkingMemory wm = ruleBase.newStatefulSession();

        List<String> list = new ArrayList<String>();
        wm.setGlobal( "list", list );       
       
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkgBuilder.getPackage().getDialectRuntimeRegistry().getDialectData( "mvel");
       
        ProcessContext processContext = new ProcessContext( ((InternalWorkingMemory) wm).getKnowledgeRuntime() );
        ((MVELAction) actionNode.getAction().getMetaData("Action")).compile( data );
        ((Action)actionNode.getAction().getMetaData("Action")).execute( processContext );
       
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      assertEquals(10, variableScopeInstance.getVariable("m"));
        assertEquals(0, workingMemory.getProcessInstances().size());
    }

  private static RuleBase readRule(boolean independent) throws Exception {
    PackageBuilder builder = new PackageBuilder();
    Reader source = new StringReader(
      "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
      "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
      "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
      "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
      "         type=\"RuleFlow\" name=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n" +
      "\n" +
      "  <header>\n" +
      "    <variables>\n" +
      "      <variable name=\"x\" >\n" +
      "        <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
      "        <value></value>\n" +
      "      </variable>\n" +
      "      <variable name=\"m\" >\n" +
      "        <type name=\"org.drools.process.core.datatype.impl.type.IntegerDataType\" />\n" +
      "        <value></value>\n" +
      "      </variable>\n" +
      "    </variables>\n" +
      "  </header>\n" +
      "\n" +
      "  <nodes>\n" +
      "    <start id=\"1\" name=\"Start\" />\n" +
      "    <subProcess id=\"2\" name=\"SubProcess\" processId=\"com.sample.subflow\" independent=\"" + independent + "\" >\n" +
      "      <mapping type=\"in\" from=\"x\" to=\"y\" />\n" +
      "      <mapping type=\"in\" from=\"x.length()\" to=\"n\" />\n" +
      "      <mapping type=\"out\" from=\"z\" to=\"x\" />\n" +
      "      <mapping type=\"out\" from=\"o\" to=\"m\" />\n" +
      "    </subProcess>\n" +
      "    <end id=\"3\" name=\"End\" />\n" +
      "  </nodes>\n" +
      "\n" +
      "  <connections>\n" +
      "    <connection from=\"1\" to=\"2\" />\n" +
      "    <connection from=\"2\" to=\"3\" />\n" +
      "  </connections>\n" +
      "\n" +
      "</process>");
    builder.addRuleFlow(source);
    source = new StringReader(
      "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
      "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
      "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
      "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
      "         type=\"RuleFlow\" name=\"flow\" id=\"com.sample.subflow\" package-name=\"com.sample\" >\n" +
      "\n" +
      "  <header>\n" +
      "    <imports>\n" +
      "      <import name=\"org.jbpm.Person\" />\n" +
      "    </imports>\n" +
      "    <variables>\n" +
      "      <variable name=\"y\" >\n" +
      "        <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
      "        <value></value>\n" +
      "      </variable>\n" +
      "      <variable name=\"z\" >\n" +
      "        <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
      "        <value>z-value</value>\n" +
      "      </variable>\n" +
      "      <variable name=\"n\" >\n" +
      "        <type name=\"org.drools.process.core.datatype.impl.type.IntegerDataType\" />\n" +
      "      </variable>\n" +
      "      <variable name=\"o\" >\n" +
      "        <type name=\"org.drools.process.core.datatype.impl.type.IntegerDataType\" />\n" +
      "        <value>10</value>\n" +
      "      </variable>\n" +
      "    </variables>\n" +
      "  </header>\n" +
      "\n" +
      "  <nodes>\n" +
      "    <start id=\"1\" name=\"Start\" />\n" +
      "    <milestone id=\"2\" name=\"Event Wait\" >\n" +
            "      <constraint type=\"rule\" dialect=\"mvel\" >Person( )</constraint>" +
            "    </milestone>\n" +
      "    <end id=\"3\" name=\"End\" />\n" +
      "  </nodes>\n" +
      "\n" +
      "  <connections>\n" +
      "    <connection from=\"1\" to=\"2\" />\n" +
      "    <connection from=\"2\" to=\"3\" />\n" +
      "  </connections>\n" +
      "\n" +
      "</process>");
    builder.addRuleFlow(source);
    Package pkg = builder.getPackage();
    RuleBase ruleBase = RuleBaseFactory.newRuleBase();
    ruleBase.addPackage( pkg );
    return ruleBase;
  }
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        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(4, list.size());
    }

    public void TODOtestDynamicAsyncActions() {
        PackageBuilder builder = new PackageBuilder();
        Reader source = new StringReader(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
            "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
            "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
            "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
            "         type=\"RuleFlow\" name=\"ruleflow\" id=\"org.drools.dynamic\" package-name=\"org.drools\" >\n" +
            "\n" +
            "  <header>\n" +
            "    <globals>\n" +
            "      <global identifier=\"list\" type=\"java.util.List\" />\n" +
            "    </globals>\n" +
            "  </header>\n" +
            "\n" +
            "  <nodes>\n" +
            "    <start id=\"1\" name=\"Start\" />\n" +
            "    <dynamic id=\"2\" name=\"DynamicNode\" >\n" +
            "      <nodes>\n" +
            "        <workItem id=\"1\" name=\"Work\" >\n" +
            "          <work name=\"Work\" />\n" +
            "        </workItem>\n" +
            "        <actionNode id=\"2\" name=\"Action2\" >\n" +
            "          <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Action2\");\n" +
            "list.add(\"Action2\");</action>\n" +
            "        </actionNode>\n" +
            "        <actionNode id=\"3\" name=\"Action3\" >\n" +
            "          <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Action3\");\n" +
            "list.add(\"Action3\");</action>\n" +
            "        </actionNode>\n" +
            "      </nodes>\n" +
            "      <connections>\n" +
            "        <connection from=\"1\" to=\"3\" />\n" +
            "      </connections>\n" +
            "      <in-ports/>\n" +
            "      <out-ports/>\n" +
            "    </dynamic>\n" +
            "    <actionNode id=\"3\" name=\"Action4\" >\n" +
            "      <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Action4\");\n" +
            "list.add(\"Action4\");</action>\n" +
            "    </actionNode>\n" +
            "    <end id=\"4\" name=\"End\" />\n" +
            "  </nodes>\n" +
            "\n" +
            "  <connections>\n" +
            "    <connection from=\"1\" to=\"2\" />\n" +
            "    <connection from=\"2\" to=\"3\" />\n" +
            "    <connection from=\"3\" to=\"4\" />\n" +
            "  </connections>\n" +
            "</process>");
        builder.addRuleFlow(source);
        Package pkg = builder.getPackage();
        for (DroolsError error: builder.getErrors().getErrors()) {
          System.err.println(error);
        }
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
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        final int THREAD_COUNT = 2;
        try {
            boolean success = true;
            final Thread[] t = new Thread[THREAD_COUNT];
           
            final PackageBuilder builder = new PackageBuilder();
            builder.addProcessFromXml(new InputStreamReader( getClass().getResourceAsStream( "test_ProcessMultithreadEvent.rf" ) ) );
            if (builder.getErrors().getErrors().length > 0) {
              for (DroolsError error: builder.getErrors().getErrors()) {
                System.err.println(error);
              }
              fail("Could not parse process");
            }
            RuleBase ruleBase = RuleBaseFactory.newRuleBase();
            ruleBase.addPackage( builder.getPackage() );
            ruleBase = SerializationHelper.serializeObject(ruleBase);
            StatefulSession session = ruleBase.newStatefulSession();
            session = SerializationHelper.getSerialisedStatefulSession(session);
            List<String> list = new ArrayList<String>();
            session.setGlobal("list", list);
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import org.jbpm.workflow.core.impl.WorkflowProcessImpl;

public class PackageBuilderTest extends JbpmTestCase {

    public void testRuleFlow() throws Exception {
        PackageBuilder builder = new PackageBuilder();

        InputStream in = this.getClass().getResourceAsStream( "/org/jbpm/integrationtests/ruleflow.rfm" );
        assertNotNull( in );

        builder.addPackage( new PackageDescr( "com.sample" ) );

        builder.addRuleFlow( new InputStreamReader( in ) );
        Package pkg = builder.getPackage();
        assertNotNull( pkg );

        Map<String, Process> flows = pkg.getRuleFlows();
        assertNotNull( flows );
        assertEquals( 1,
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        p = (Process) flows.get( "0" );
        assertTrue( p instanceof WorkflowProcessImpl );
    }

    public void testRuleFlowUpgrade() throws Exception {
        PackageBuilder builder = new PackageBuilder();
        // Set the system property so that automatic conversion can happen
        System.setProperty( "drools.ruleflow.port",
                            "true" );

        InputStream in = this.getClass().getResourceAsStream( "/org/jbpm/integrationtests/ruleflow40.rfm" );
        assertNotNull( in );

        builder.addPackage( new PackageDescr( "com.sample" ) );

        builder.addRuleFlow( new InputStreamReader( in ) );
        Package pkg = builder.getPackage();
        assertNotNull( pkg );

        Map<String, Process> flows = pkg.getRuleFlows();
        assertNotNull( flows );
        assertEquals( 1,
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public class ProcessForEachTest extends JbpmTestCase {
   
   
    public void testForEach() {
        PackageBuilder builder = new PackageBuilder();
        Reader source = new StringReader(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
            "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
            "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
            "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
            "         type=\"RuleFlow\" name=\"ForEach\" id=\"org.drools.ForEach\" package-name=\"org.drools\" >\n" +
            "  <header>\n" +
            "    <globals>\n" +
            "      <global identifier=\"myList\" type=\"java.util.List\" />\n" +
            "    </globals>\n" +
            "    <variables>\n" +
            "      <variable name=\"collection\" >\n" +
            "        <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"java.util.List\" />\n" +
            "      </variable>\n" +
            "    </variables>\n" +
            "  </header>\n" +
            "\n" +
            "  <nodes>\n" +
            "    <forEach id=\"2\" name=\"ForEach\" variableName=\"item\" collectionExpression=\"collection\" >\n" +
            "      <nodes>\n" +
            "    <actionNode id=\"1\" name=\"Action\" >\n" +
            "        <action type=\"expression\" dialect=\"mvel\" >myList.add(item);</action>\n" +
            "    </actionNode>\n" +
            "      </nodes>\n" +
            "      <connections>\n" +
            "      </connections>\n" +
            "      <in-ports>\n" +
            "        <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n" +
            "      </in-ports>\n" +
            "      <out-ports>\n" +
            "        <out-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeOutType=\"DROOLS_DEFAULT\" />\n" +
            "      </out-ports>\n" +
            "    </forEach>\n" +
            "    <start id=\"1\" name=\"Start\" />\n" +
            "    <end id=\"3\" name=\"End\" />\n" +
            "  </nodes>\n" +
            "\n" +
            "  <connections>\n" +
            "    <connection from=\"1\" to=\"2\" />\n" +
            "    <connection from=\"2\" to=\"3\" />\n" +
            "  </connections>\n" +
            "</process>");
        builder.addRuleFlow(source);
        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        List<String> myList = new ArrayList<String>();
        workingMemory.setGlobal("myList", myList);
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        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(3, myList.size());
    }
   
    public void testForEachLargeList() {
        PackageBuilder builder = new PackageBuilder();
        Reader source = new StringReader(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
            "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
            "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
            "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
            "         type=\"RuleFlow\" name=\"ForEach\" id=\"org.drools.ForEach\" package-name=\"org.drools\" >\n" +
            "  <header>\n" +
            "    <variables>\n" +
            "      <variable name=\"collection\" >\n" +
            "        <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"java.util.List\" />\n" +
            "      </variable>\n" +
            "    </variables>\n" +
            "  </header>\n" +
            "\n" +
            "  <nodes>\n" +
            "    <forEach id=\"2\" name=\"ForEach\" variableName=\"item\" collectionExpression=\"collection\" >\n" +
            "      <nodes>\n" +
            "        <workItem id=\"1\" name=\"Log\" >\n" +
            "          <work name=\"Log\" >\n" +
            "            <parameter name=\"Message\" >\n" +
            "              <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
            "            </parameter>\n" +
            "          </work>\n" +
            "          <mapping type=\"in\" from=\"item\" to=\"Message\" />" +
            "        </workItem>\n" +
            "      </nodes>\n" +
            "      <connections>\n" +
            "      </connections>\n" +
            "      <in-ports>\n" +
            "        <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n" +
            "      </in-ports>\n" +
            "      <out-ports>\n" +
            "        <out-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeOutType=\"DROOLS_DEFAULT\" />\n" +
            "      </out-ports>\n" +
            "    </forEach>\n" +
            "    <start id=\"1\" name=\"Start\" />\n" +
            "    <end id=\"3\" name=\"End\" />\n" +
            "  </nodes>\n" +
            "\n" +
            "  <connections>\n" +
            "    <connection from=\"1\" to=\"2\" />\n" +
            "    <connection from=\"2\" to=\"3\" />\n" +
            "  </connections>\n" +
            "</process>");
        builder.addRuleFlow(source);
        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        final List<String> myList = new ArrayList<String>();
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        workingMemory.getWorkItemManager().registerWorkItemHandler("Log", new WorkItemHandler() {
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        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(10000, myList.size());
    }
   
    public void testForEachEmptyList() {
        PackageBuilder builder = new PackageBuilder();
        Reader source = new StringReader(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
            "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
            "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
            "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
            "         type=\"RuleFlow\" name=\"ForEach\" id=\"org.drools.ForEach\" package-name=\"org.drools\" >\n" +
            "  <header>\n" +
            "    <globals>\n" +
            "      <global identifier=\"myList\" type=\"java.util.List\" />\n" +
            "    </globals>\n" +
            "    <variables>\n" +
            "      <variable name=\"collection\" >\n" +
            "        <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"java.util.List\" />\n" +
            "      </variable>\n" +
            "    </variables>\n" +
            "  </header>\n" +
            "\n" +
            "  <nodes>\n" +
            "    <forEach id=\"2\" name=\"ForEach\" variableName=\"item\" collectionExpression=\"collection\" >\n" +
            "      <nodes>\n" +
            "    <actionNode id=\"1\" name=\"Action\" >\n" +
            "        <action type=\"expression\" dialect=\"mvel\" >myList.add(item);</action>\n" +
            "    </actionNode>\n" +
            "      </nodes>\n" +
            "      <connections>\n" +
            "      </connections>\n" +
            "      <in-ports>\n" +
            "        <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n" +
            "      </in-ports>\n" +
            "      <out-ports>\n" +
            "        <out-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeOutType=\"DROOLS_DEFAULT\" />\n" +
            "      </out-ports>\n" +
            "    </forEach>\n" +
            "    <start id=\"1\" name=\"Start\" />\n" +
            "    <end id=\"3\" name=\"End\" />\n" +
            "  </nodes>\n" +
            "\n" +
            "  <connections>\n" +
            "    <connection from=\"1\" to=\"2\" />\n" +
            "    <connection from=\"2\" to=\"3\" />\n" +
            "  </connections>\n" +
            "</process>");
        builder.addRuleFlow(source);
        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        List<String> myList = new ArrayList<String>();
        workingMemory.setGlobal("myList", myList);
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            workingMemory.startProcess("org.drools.ForEach", params);
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }
   
    public void testForEachNullList() {
        PackageBuilder builder = new PackageBuilder();
        Reader source = new StringReader(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
            "<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
            "         xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
            "         xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
            "         type=\"RuleFlow\" name=\"ForEach\" id=\"org.drools.ForEach\" package-name=\"org.drools\" >\n" +
            "  <header>\n" +
            "    <globals>\n" +
            "      <global identifier=\"myList\" type=\"java.util.List\" />\n" +
            "    </globals>\n" +
            "    <variables>\n" +
            "      <variable name=\"collection\" >\n" +
            "        <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"java.util.List\" />\n" +
            "      </variable>\n" +
            "    </variables>\n" +
            "  </header>\n" +
            "\n" +
            "  <nodes>\n" +
            "    <forEach id=\"2\" name=\"ForEach\" variableName=\"item\" collectionExpression=\"collection\" >\n" +
            "      <nodes>\n" +
            "    <actionNode id=\"1\" name=\"Action\" >\n" +
            "        <action type=\"expression\" dialect=\"mvel\" >myList.add(item);</action>\n" +
            "    </actionNode>\n" +
            "      </nodes>\n" +
            "      <connections>\n" +
            "      </connections>\n" +
            "      <in-ports>\n" +
            "        <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n" +
            "      </in-ports>\n" +
            "      <out-ports>\n" +
            "        <out-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeOutType=\"DROOLS_DEFAULT\" />\n" +
            "      </out-ports>\n" +
            "    </forEach>\n" +
            "    <start id=\"1\" name=\"Start\" />\n" +
            "    <end id=\"3\" name=\"End\" />\n" +
            "  </nodes>\n" +
            "\n" +
            "  <connections>\n" +
            "    <connection from=\"1\" to=\"2\" />\n" +
            "    <connection from=\"2\" to=\"3\" />\n" +
            "  </connections>\n" +
            "</process>");
        builder.addRuleFlow(source);
        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        List<String> myList = new ArrayList<String>();
        workingMemory.setGlobal("myList", myList);
View Full Code Here
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