protected void issueCommand(String command) {
int count = 3;
long timeStamp = System.currentTimeMillis();
while (--count >= 0) {
issueCommand(command, String.valueOf(timeStamp));
if (Math.abs(timeDrift) < tolerableTimeDrift) break;
timeStamp = System.currentTimeMillis() + timeDrift / 2;
}
LOGGER.info(
"time drift between controller and driver-{} is {} mSec", getDriver().getName(), timeDrift);
if (count < 0)
LOGGER.warn(
"time drift is still longer than tolerable time drift {} mSec after 3 times of synchronization",
tolerableTimeDrift);
}
protected void issueCommand(String command, String content) {
T response = null;
String body = issueHttpRequest(command, content);
try {
response = context.getMapper().readValue(body, clazz);
} catch (Exception e) {
LOGGER.error("cannot parse response body", e);
throw new TaskletException(); // mark termination
}
if (!response.isSucc()) {
String msg = "driver report error: HTTP {} - {}";
LOGGER.error(msg, response.getCode(), response.getError());
throw new TaskletException(); // mark termination
}
handleResponse(response); // specific response handling
}