startTime = minFinishTime;
endTime = maxStartTime;
if (workflowId != null)
taskAttempts = conn.fetchWorkflowTaskAttempts(workflowId);
else
taskAttempts = conn.fetchTaskAttempts(minFinishTime, maxStartTime);
}
if (startTime > 0 && endTime > 0 && endTime >= startTime) {
double submitTimeSecs = startTime / 1000.0;
double finishTimeSecs = endTime / 1000.0;
double step = (finishTimeSecs - submitTimeSecs) / steps;