jBPM和日志

我将jBPM作为内部工作流执行引擎集成到我的应用程序中。我想用两种方法在jBPM中使用slf4j（在底层运行log4j2）记录器。jBPM和日志

我想用它作为审计日志。我知道jBPM可以提供audit logging through a specific JPA configuration，但在我的情况下这并不方便，我想使用特定的slf4j配置。
我想用它在入门脚本等jBPM的工作流程，编写例如logger.trace("Variable a value:"+a.getValue());

难道这样的记录整合机制jBPM的存在吗？

2016-01-28 Pantelis Natsiavas

我解决我的问题，因此在这里提供的答案，因此，它可能是使用他人太...

我实现了自定义审计日志机制喽，使用events mechanism provided by the jBPM。更具体地讲，在我处理的工作流开始的课，我添加了一个事件监听器得到通知，每个工作流程操作，并记录到我的自定义SLF4J记录器（参见下面的代码片段）：

ksession.addEventListener(new DefaultProcessEventListener() { 
    public void beforeProcessStarted(ProcessStartedEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     logger.trace("jBPM event 'beforeProcessStarted'. Process ID: " + process.getId() 
       + ", Process definition ID: " + process.getProcessId() + ", Process name: " 
       + process.getProcessName() + ", Process state: " + process.getState() + ", Parent process ID: " 
       + process.getParentProcessInstanceId()); 
    } 

    public void afterProcessStarted(ProcessStartedEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     logger.trace("jBPM event 'afterProcessStarted'. Process ID: " + process.getId() 
       + ", Process definition ID: " + process.getProcessId() + ", Process name: " 
       + process.getProcessName() + ", Process state: " + process.getState() + ", Parent process ID: " 
       + process.getParentProcessInstanceId()); 
    } 

    public void beforeProcessCompleted(ProcessCompletedEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     logger.trace("jBPM event 'beforeProcessCompleted'. Process ID: " + process.getId() 
       + ", Process definition ID: " + process.getProcessId() + ", Process name: " 
       + process.getProcessName() + ", Process state: " + process.getState() + ", Parent process ID: " 
       + process.getParentProcessInstanceId()); 
    } 

    public void afterProcessCompleted(ProcessCompletedEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     logger.trace("jBPM event 'afterProcessCompleted'. Process ID: " + process.getId() 
       + ", Process definition ID: " + process.getProcessId() + ", Process name: " 
       + process.getProcessName() + ", Process state: " + process.getState() + ", Parent process ID: " 
       + process.getParentProcessInstanceId()); 
    } 

    public void beforeNodeTriggered(ProcessNodeTriggeredEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     NodeInstance node = event.getNodeInstance(); 
     logger.trace("jBPM event 'beforeNodeTriggered'. Process ID: " + process.getId() 
       + ", Process definition ID: " + process.getProcessId() + ", Process name: " 
       + process.getProcessName() + ", Process state: " + process.getState() + ", Parent process ID: " 
       + process.getParentProcessInstanceId() + ", Node instance ID: " + node.getId() + ", Node ID: " 
       + node.getNodeId() + ", Node name: " + node.getNodeName()); 

    } 

    public void afterNodeTriggered(ProcessNodeTriggeredEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     NodeInstance node = event.getNodeInstance(); 
     logger.trace("jBPM event 'afterNodeTriggered'. Process ID: " + process.getId() 
       + ", Process definition ID: " + process.getProcessId() + ", Process name: " 
       + process.getProcessName() + ", Process state: " + process.getState() + ", Parent process ID: " 
       + process.getParentProcessInstanceId() + ", Node instance ID: " + node.getId() + ", Node ID: " 
       + node.getNodeId() + ", Node name: " + node.getNodeName()); 

    } 

    public void beforeNodeLeft(ProcessNodeLeftEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     NodeInstance node = event.getNodeInstance(); 
     logger.trace("jBPM event 'beforeNodeLeft'. Process ID: " + process.getId() + ", Process definition ID: " 
       + process.getProcessId() + ", Process name: " + process.getProcessName() + ", Process state: " 
       + process.getState() + ", Parent process ID: " + process.getParentProcessInstanceId() 
       + ", Node instance ID: " + node.getId() + ", Node ID: " + node.getNodeId() + ", Node name: " 
       + node.getNodeName()); 

    } 

    public void afterNodeLeft(ProcessNodeLeftEvent event) { 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     NodeInstance node = event.getNodeInstance(); 
     logger.trace("jBPM event 'afterNodeLeft'. Process ID: " + process.getId() + ", Process definition ID: " 
       + process.getProcessId() + ", Process name: " + process.getProcessName() + ", Process state: " 
       + process.getState() + ", Parent process ID: " + process.getParentProcessInstanceId() 
       + ", Node instance ID: " + node.getId() + ", Node ID: " + node.getNodeId() + ", Node name: " 
       + node.getNodeName()); 

    } 

    public void beforeVariableChanged(ProcessVariableChangedEvent event){ 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     logger.trace("jBPM event 'beforeVariableChanged'. Process ID: " + process.getId() + ", Process definition ID: " 
       + process.getProcessId() + ", Process name: " + process.getProcessName() + ", Process state: " 
       + process.getState() + ", Parent process ID: " + process.getParentProcessInstanceId() 
       + ", Variable ID: " + event.getVariableId() + ", Variable instance ID: " + event.getVariableInstanceId() + ", Old value: " 
       + (event.getOldValue() == null ? "null" : event.getOldValue().toString())+ ", New value: "+(event.getNewValue() == null ? "null" : event.getNewValue().toString())); 
    } 

    public void afterVariableChanged(ProcessVariableChangedEvent event){ 
     WorkflowProcessInstance process = (WorkflowProcessInstance) event.getProcessInstance(); 
     logger.trace("jBPM event 'afterVariableChanged'. Process ID: " + process.getId() + ", Process definition ID: " 
       + process.getProcessId() + ", Process name: " + process.getProcessName() + ", Process state: " 
       + process.getState() + ", Parent process ID: " + process.getParentProcessInstanceId() 
       + ", Variable ID: " + event.getVariableId() + ", Variable instance ID: " + event.getVariableInstanceId() + ", Old value: " 
       + (event.getOldValue() == null ? "null" : event.getOldValue().toString())+ ", New value: "+(event.getNewValue() == null ? "null" : event.getNewValue().toString())); 
    } 

});

实际上，我决定避免在工作流的BPMN定义中使用java记录器，但我认为我可以通过在每个工作流中将logger对象作为参数来实现，并将其用于BPMN2中的脚本任务。这是我现在能想到的唯一工作。
```
Logger logger = LoggerFactory.getLogger("logger name"); 
Map<String, Object> arguments = new HashMap<String, Object>(); 
arguments.put("logger", logger); 
ProcessInstance processInstance = ksession.startProcess("processName", arguments); 
```

来源

2016-01-29 10:03:38

要JBPM的脚本任务使用记录器，请按照下列步骤操作：

文件

<Logger name="com.jbpm.log" level="DEBUG"> 
<appender-ref ref="consoleAppender" /> 
</Logger>

创建记录器名称

使用完整的Class名称来获取记录器的实例。

org.slf4j.Logger logger = null; logger = org.slf4j.LoggerFactory.getLogger("com.jbpm.log"); logger.info("Logger:: Test!!");

添加slf4j JAR如果没有添加。

来源

2018-02-16 09:21:23 SudoCoder

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