תצוגה ו הדוחות של Video 360 לא נוצרים באופן מיידי. תצוגה ו ייתכן ש-Video 360 יכולות להימשך כמה דקות עד יותר משעה כדי ליצור קובץ דוח.
כדי לבדוק אם הרצת השאילתה שלכם הסתיימה, אפשר לאחזר את הדוח באופן קבוע באמצעות
queries.reports.get
, ואז לבדוק אם המשאב
השדה metadata.status.state
עודכן ל-DONE
או
FAILED
. תהליך זה נקרא 'סקרים'.
הטמעת דגימה לא יעילה שבודקת דוח ארוך טווח צורך הרבה מכסה של בקשות API. כדי להגביל ניסיונות חוזרים ולשמר את המכסה, להשתמש בהשהיה מעריכית לפני ניסיון חוזר (exponential backoff).
כדי ליצור דגימה של דוח באמצעות השהיה מעריכית לפני ניסיון חוזר (exponential backoff):
//This example the following import.
import com.google.api.client.util.ExponentialBackOff;
// The ID of the parent query.
Long queryId =query-id ;
// The ID of the running report.
Long reportId =report-id ;
// Minimum amount of time between polling requests. Defaults to 5 seconds.
final int MIN_RETRY_INTERVAL_IN_MILLIS = 5_000;
// Maximum amount of time between polling requests. Defaults to 5 minutes.
final int MAX_RETRY_INTERVAL_IN_MILLIS = 5 * 60_000;
// Maximum amount of time to spend polling. Defaults to 5 hours.
final int MAX_RETRY_ELAPSED_TIME_IN_MILLIS = 5 * 60 * 60_000;
// Configure reports.get request.
Reports.Get reportGetRequest =
service.queries().reports().get(queryId, reportId);
// Get initial report object.
Report report = reportGetRequest.execute();
// Configure exponential backoff for checking the status of our report.
ExponentialBackOff backOff =
new ExponentialBackOff.Builder()
.setInitialIntervalMillis(MIN_RETRY_INTERVAL_IN_MILLIS)
.setMaxIntervalMillis(MAX_RETRY_INTERVAL_IN_MILLIS)
.setMaxElapsedTimeMillis(MAX_RETRY_ELAPSED_TIME_IN_MILLIS)
.build();
// Poll report while it is running.
while (!report.getMetadata().getStatus().getState().equals("DONE")
&& !report.getMetadata().getStatus().getState().equals("FAILED")) {
long backoffMillis = backOff.nextBackOffMillis();
if (backoffMillis == ExponentialBackOff.STOP) {
break;
}
System.out.printf(
"Report %s still running, sleeping for %s seconds.%n",
reportId,
backoffMillis / 1000);
Thread.sleep(backoffMillis);
// Get current status of operation.
report = reportGetRequest.execute();
}
// Print the result of the report generation.
if (report.getMetadata().getStatus().getState().equals("DONE")) {
System.out.printf(
"Report %s was successfully generated.%n",
report.getKey().getReportId());
} else if (report.getMetadata().getStatus().getState().equals("FAILED")) {
System.out.printf(
"Report %s finished in error.%n",
report.getKey().getReportId());
} else {
System.out.println("Report generation deadline exceeded.");
}
# The ID of the parent query.
query_id =query-id
# The ID of the report.
report_id =report-id
# The following values control retry behavior while
# the report is processing.
# Minimum amount of time between polling requests. Defaults to 5 seconds.
min_retry_interval = 5
# Maximum amount of time between polling requests. Defaults to 5 minutes.
max_retry_interval = 5 * 60
# Maximum amount of time to spend polling. Defaults to 5 hours.
max_retry_elapsed_time = 5 * 60 * 60
# Configure the queries.reports.get request.
get_request = service.queries().reports().get(
queryId=query_id,reportId=report_id)
sleep = 0
# Poll report while it is running.
start_time = time.time()
while True:
# Get current status of the report
report = get_request.execute()
# Print status if report is finished or deadline is exceeded.
if report["metadata"]["status"]["state"] == "DONE":
print(f'Report {report["key"]["reportId"]} was successfully generated.')
break
elif report["metadata"]["status"]["state"] == "FAILED":
print(f'Report {report["key"]["reportId"]} finished in error.')
break
elif time.time() - start_time > max_retry_elapsed_time:
print("Report generation deadline exceeded.")
break
sleep = next_sleep_interval(sleep)
print(
f'Report {report["key"]["reportId"]} still running, sleeping for '
f'{sleep} seconds.')
time.sleep(sleep)
def next_sleep_interval(previous_sleep_interval):
"""Calculates the next sleep interval based on the previous."""
min_interval = previous_sleep_interval or min_retry_interval
max_interval = previous_sleep_interval * 3 or min_retry_interval
return min(
max_retry_interval, random.randint(min_interval, max_interval))
// The ID of the parent query.
$queryId =query-id ;
// The ID of the running report.
$reportId =report-id ;
// Minimum amount of time between polling requests. Defaults to 5 seconds.
$minRetryInterval = 5;
// Maximum amount of time between polling requests. Defaults to 5 minutes.
$maxRetryInterval = 300;
// Maximum amount of time to spend polling. Defaults to 5 hours.
$maxRetryElapsedTime = 18000;
$sleepInterval = 0;
$startTime = time();
// Get initial report object.
$report = $this->service->queries_reports->get($queryId, $reportId);
// Regularly poll report status using exponential backoff.
while (
$report->getMetadata()->getStatus()->getState() !== "DONE"
&& $report->getMetadata()->getStatus()->getState() !== "FAILED"
) {
// If the operation has exceeded the set deadline, throw an exception.
if (time() - $startTime > $maxRetryElapsedTime) {
printf('SDF download task processing deadline exceeded\n');
break;
}
// Generate the next sleep interval using exponential backoff logic.
$sleepInterval = min(
$maxRetryInterval,
rand(
max($minRetryInterval, $sleepInterval),
max($minRetryInterval, $sleepInterval * 3)
)
);
// Sleep before retrieving the report again.
printf(
'Report is %d still running, sleeping for %d seconds<br>',
$reportId,
$sleepInterval
);
sleep($sleepInterval);
// Retrieve the report.
$report = $this->service->queries_reports->get($queryId, $reportId);
}
// Print the result of the report generation.
if($report->getMetadata()->getStatus()->getState() == "DONE") {
printf('Report %d was successfully generated.<br>', $reportId);
} else if($report->getMetadata()->getStatus()->getState() == "FAILED") {
printf('Report %d finished in error.<br>', $reportId);
} else {
print('Report generation deadline exceeded.<br>');
}