/**
* Stream wf job log
*
* @param request servlet request
* @param response servlet response
* @throws XServletException
* @throws IOException
*/
private void streamWorkflowJobLog(HttpServletRequest request, HttpServletResponse response)
throws XServletException, IOException {
DagEngine dagEngine =
Services.get()
.get(DagEngineService.class)
.getDagEngine(getUser(request), getAuthToken(request));
String jobId = getResourceName(request);
try {
dagEngine.streamLog(jobId, response.getWriter());
} catch (DagEngineException ex) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
}
}
/**
* Rerun a wf job
*
* @param request servlet request
* @param response servlet response
* @param conf configuration object
* @throws XServletException
*/
private void reRunWorkflowJob(
HttpServletRequest request, HttpServletResponse response, Configuration conf)
throws XServletException {
DagEngine dagEngine =
Services.get()
.get(DagEngineService.class)
.getDagEngine(getUser(request), getAuthToken(request));
String jobId = getResourceName(request);
try {
dagEngine.reRun(jobId, conf);
} catch (DagEngineException ex) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
}
}
/**
* Get wf job definition
*
* @param request servlet request
* @param response servlet response
* @return String wf definition
* @throws XServletException
*/
private String getWorkflowJobDefinition(HttpServletRequest request, HttpServletResponse response)
throws XServletException {
DagEngine dagEngine =
Services.get()
.get(DagEngineService.class)
.getDagEngine(getUser(request), getAuthToken(request));
String wfDefinition;
String jobId = getResourceName(request);
try {
wfDefinition = dagEngine.getDefinition(jobId);
} catch (DagEngineException ex) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
}
return wfDefinition;
}
/**
* Get wf action info
*
* @param request servlet request
* @param response servlet response
* @return JsonBean WorkflowActionBean
* @throws XServletException
*/
private JsonBean getWorkflowAction(HttpServletRequest request, HttpServletResponse response)
throws XServletException {
DagEngine dagEngine =
Services.get()
.get(DagEngineService.class)
.getDagEngine(getUser(request), getAuthToken(request));
JsonBean actionBean = null;
String actionId = getResourceName(request);
try {
actionBean = dagEngine.getWorkflowAction(actionId);
} catch (BaseEngineException ex) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
}
return actionBean;
}
/**
* Get workflow job
*
* @param request servlet request
* @param response servlet response
* @return JsonBean WorkflowJobBean
* @throws XServletException
*/
private JsonBean getWorkflowJob(HttpServletRequest request, HttpServletResponse response)
throws XServletException {
JsonBean jobBean = null;
String jobId = getResourceName(request);
String startStr = request.getParameter(RestConstants.OFFSET_PARAM);
String lenStr = request.getParameter(RestConstants.LEN_PARAM);
int start = (startStr != null) ? Integer.parseInt(startStr) : 1;
start = (start < 1) ? 1 : start;
int len = (lenStr != null) ? Integer.parseInt(lenStr) : 0;
len = (len < 1) ? Integer.MAX_VALUE : len;
DagEngine dagEngine =
Services.get()
.get(DagEngineService.class)
.getDagEngine(getUser(request), getAuthToken(request));
try {
jobBean = (JsonBean) dagEngine.getJob(jobId, start, len);
} catch (DagEngineException ex) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
}
return jobBean;
}