/**
* This variant delays the formatting of the string message until it is actually logged
*
* @param now
* @param maxLogInterval suppress time
* @param maxLogIntervalUnit suppress time units
* @param logger a {@link VoltLogger}
* @param level a {@link Level debug level}
* @param cause evidentiary exception
* @param stemformat a {@link String#format(String, Object...) string format}
* @param parameters format parameters
*/
public static void tryLogForMessage(
long now,
final long maxLogInterval,
final TimeUnit maxLogIntervalUnit,
final VoltLogger logger,
final Level level,
Throwable cause,
String stemformat,
Object... parameters) {
Callable<RateLimitedLogger> builder =
new Callable<RateLimitedLogger>() {
@Override
public RateLimitedLogger call() throws Exception {
return new RateLimitedLogger(
maxLogIntervalUnit.toMillis(maxLogInterval), logger, level);
}
};
final RateLimitedLogger rll;
try {
rll = m_loggersCached.get(stemformat, builder);
rll.log(now, level, cause, stemformat, parameters);
} catch (ExecutionException ex) {
Throwables.propagate(Throwables.getRootCause(ex));
}
}
private String formatMessage(Throwable cause, String stemformat, Object... args) {
String format = stemformat;
if (cause != null) {
format =
new StringBuilder(stemformat.length() + 8)
.append(stemformat)
.append("\n%s")
.toString()
.intern();
args = Arrays.copyOf(args, args.length + 1);
args[args.length - 1] = Throwables.getStackTraceAsString(cause);
}
String msg = null;
try {
msg = String.format(format, args);
} catch (MissingFormatArgumentException ex) {
m_logger.error(
"failed to format log message. Format: "
+ format
+ ", arguments: "
+ Arrays.toString(args),
ex);
} catch (IllegalFormatConversionException ex) {
m_logger.error(
"failed to format log message. Format: "
+ format
+ ", arguments: "
+ Arrays.toString(args),
ex);
} catch (UnknownFormatConversionException ex) {
m_logger.error(
"failed to format log message. Format: "
+ format
+ ", arguments: "
+ Arrays.toString(args),
ex);
} finally {
if (msg == null) {
msg = "Format: " + format + ", arguments: " + Arrays.toString(args);
}
}
return msg;
}