1

ほとんどの場合は問題なく動作しますが、例外がスローされることがあります (スタックトレースを参照)。ワークフロー定義用のグルーヴィーなコードがあります。このコードは、データベースに接続し、分類プロパティに基づいて Web コンテンツの次のステップを決定します。これは Liferay 6.1 ga 1、kaleo ワークフロー定義コード (条件ノード) です。

<script> <![CDATA[
        import groovy.sql.Sql;
        import java.util.List;
        import com.liferay.portal.kernel.util.GetterUtil;
        import com.liferay.portal.kernel.workflow.WorkflowConstants;
        import com.liferay.portal.kernel.workflow.WorkflowHandler;
        import com.liferay.portal.kernel.workflow.WorkflowHandlerRegistryUtil;
        import com.liferay.portlet.asset.model.AssetCategory;
        import com.liferay.portlet.asset.model.AssetEntry;
        import com.liferay.portlet.asset.model.AssetRenderer;
        import com.liferay.portlet.asset.model.AssetRendererFactory;
        import com.liferay.portlet.asset.service.AssetEntryLocalServiceUtil;
        import com.liferay.portal.model.WorkflowInstanceLink;
        import com.liferay.portal.service.WorkflowInstanceLinkLocalServiceUtil;

        try{
            String className = (String)workflowContext.get(WorkflowConstants.CONTEXT_ENTRY_CLASS_NAME);
            WorkflowHandler workflowHandler = WorkflowHandlerRegistryUtil.getWorkflowHandler(className);
            AssetRendererFactory assetRendererFactory = workflowHandler.getAssetRendererFactory();

            long classPK = GetterUtil.getLong((String)workflowContext.get(WorkflowConstants.CONTEXT_ENTRY_CLASS_PK));
            long companyId = GetterUtil.getLong((String)workflowContext.get(WorkflowConstants.CONTEXT_COMPANY_ID));
            long groupId = GetterUtil.getLong((String)workflowContext.get(WorkflowConstants.CONTEXT_GROUP_ID)); 
            AssetRenderer assetRenderer = workflowHandler.getAssetRenderer(classPK);
            AssetEntry assetEntry = assetRendererFactory.getAssetEntry(assetRendererFactory.getClassName(), assetRenderer.getClassPK());
            List<AssetCategory> assetCategories = assetEntry.getCategories();

            WorkflowInstanceLink workflowInstanceLink = WorkflowInstanceLinkLocalServiceUtil.getWorkflowInstanceLink(companyId, groupId, className, classPK);
            long instanceId = workflowInstanceLink.getWorkflowInstanceId(); 

            sql = Sql.newInstance('jdbc:postgresql://localhost:5432/CGATE1.1_TNMT_KG', 'postgres', '1234567', 'org.postgresql.Driver');
            long cateId;
            String[] nextTransitionName;
            HashMap<String, Object> context = new HashMap<String, Object>();

            for (AssetCategory assetCategory : assetCategories) {
                cateId = assetCategory.getCategoryId();
                row = sql.firstRow("SELECT cchc_fun_cmsworkflow_nexttask(?,?) as nexttask", [cateId, instanceId]);
                if(row.nexttask != null){                       
                    String nextTaskStr = row.nexttask;  

                    if(nextTaskStr.equalsIgnoreCase("Done")){
                        returnValue = "Duyệt"; return;
                    }

                    context.put("roleprefix", nextTaskStr);
                    serviceContext.setAttribute("context", context);
                    nextTransitionName = nextTaskStr.split('_');
                    if(nextTransitionName[0].equalsIgnoreCase("BT")){
                        returnValue = "Biên tập"; return;
                    }else if(nextTransitionName[0].equalsIgnoreCase("LD")){ 
                        returnValue = "Lãnh đạo"; return;
                    }else if(nextTransitionName[0].equalsIgnoreCase("XB")){
                        returnValue = "Xuất bản";
                        System.out.println("Xuất bản");
                        return;
                    }
                }
            }
        }catch(Exception ex){
                returnValue ="Duyệt"; return;
        }
        returnValue = "Hủy";
        ]]> </script>
    <script-language>groovy</script-language>

スタックトレース:

    07:58:39,150 ERROR [ParallelDestination:109] Unable to process message {destinationName=liferay/kaleo_graph_walker, response=null, responseDestinationName=null, responseId=null, payload=com.liferay.portal.workflow.kaleo.runtime.graph.PathElement@161a2f1, values={principalPassword=null, principalName=11322, companyId=1}}
com.liferay.portal.kernel.messaging.MessageListenerException: java.lang.reflect.UndeclaredThrowableException
    at com.liferay.portal.kernel.messaging.BaseMessageListener.receive(BaseMessageListener.java:31)
    at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:65)
    at com.liferay.portal.kernel.messaging.ParallelDestination$1.run(ParallelDestination.java:106)
    at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask._runTask(ThreadPoolExecutor.java:669)
    at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask.run(ThreadPoolExecutor.java:580)
    at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.reflect.UndeclaredThrowableException
    at $Proxy293.eval(Unknown Source)
    at com.liferay.portal.kernel.scripting.ScriptingUtil.eval(ScriptingUtil.java:40)
    at com.liferay.portal.workflow.kaleo.runtime.condition.ScriptingConditionEvaluator.evaluate(ScriptingConditionEvaluator.java:40)
    at com.liferay.portal.workflow.kaleo.runtime.condition.MultiLanguageConditionEvaluator.evaluate(MultiLanguageConditionEvaluator.java:47)
    at com.liferay.portal.workflow.kaleo.runtime.node.ConditionNodeExecutor.doExecute(ConditionNodeExecutor.java:65)
    at com.liferay.portal.workflow.kaleo.runtime.node.BaseNodeExecutor.execute(BaseNodeExecutor.java:78)
    at com.liferay.portal.workflow.kaleo.runtime.graph.DefaultGraphWalker.follow(DefaultGraphWalker.java:64)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:320)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
    at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:71)
    at com.liferay.portal.dao.jdbc.aop.DynamicDataSourceTransactionInterceptor.invoke(DynamicDataSourceTransactionInterceptor.java:44)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
    at $Proxy462.follow(Unknown Source)
    at com.liferay.portal.workflow.kaleo.runtime.graph.messaging.PathElementMessageListener.doReceive(PathElementMessageListener.java:54)
    at com.liferay.portal.kernel.messaging.BaseMessageListener.receive(BaseMessageListener.java:25)
    ... 5 more
Caused by: java.lang.Exception: java.lang.VerifyError: (class: org/codehaus/groovy/runtime/ArrayUtil, method: createArray signature: ()[Ljava/lang/Object;) Illegal type in constant pool
    at com.liferay.portal.kernel.messaging.proxy.ProxyRequest.execute(ProxyRequest.java:66)
    at com.liferay.portal.kernel.messaging.proxy.ProxyMessageListener.receive(ProxyMessageListener.java:50)
    at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:65)
    at com.liferay.portal.kernel.messaging.SynchronousDestination.send(SynchronousDestination.java:39)
    at com.liferay.portal.kernel.messaging.sender.DirectSynchronousMessageSender.send(DirectSynchronousMessageSender.java:60)
    at com.liferay.portal.kernel.messaging.sender.DefaultSingleDestinationSynchronousMessageSender.send(DefaultSingleDestinationSynchronousMessageSender.java:41)
    at com.liferay.portal.messaging.proxy.MessagingProxyAdvice.doInvokeSynchronous(MessagingProxyAdvice.java:106)
    at com.liferay.portal.messaging.proxy.MessagingProxyAdvice.invoke(MessagingProxyAdvice.java:60)
    at sun.reflect.GeneratedMethodAccessor1870.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
    at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
    at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
    ... 28 more
Caused by: java.lang.VerifyError: (class: org/codehaus/groovy/runtime/ArrayUtil, method: createArray signature: ()[Ljava/lang/Object;) Illegal type in constant pool
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:210)
    at org.codehaus.groovy.ast.builder.AstBuilderTransformation.visit(AstBuilderTransformation.groovy:62)
    at org.codehaus.groovy.transform.ASTTransformationVisitor$3.call(ASTTransformationVisitor.java:302)
    at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:814)
    at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:511)
    at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:487)
    at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:464)
    at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:306)
    at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:287)
    at groovy.lang.GroovyShell.parseClass(GroovyShell.java:727)
    at groovy.lang.GroovyShell.parse(GroovyShell.java:739)
    at groovy.lang.GroovyShell.parse(GroovyShell.java:766)
    at groovy.lang.GroovyShell.parse(GroovyShell.java:757)
    at com.liferay.portal.scripting.groovy.GroovyExecutor.getCompiledScript(GroovyExecutor.java:90)
    at com.liferay.portal.scripting.groovy.GroovyExecutor.eval(GroovyExecutor.java:51)
    at com.liferay.portal.scripting.ScriptingImpl.eval(ScriptingImpl.java:95)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.liferay.portal.kernel.util.MethodHandler.invoke(MethodHandler.java:83)
    at com.liferay.portal.kernel.messaging.proxy.ProxyRequest.execute(ProxyRequest.java:57)
    ... 45 more
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