Package org.apache.druid.java.util.emitter

Class EmittingLogger

java.lang.Object

org.apache.druid.java.util.common.logger.Logger

org.apache.druid.java.util.emitter.EmittingLogger

public class EmittingLogger
extends Logger

Logger which also has an ServiceEmitter. Primarily useful for constructing and emitting "alerts" in the form of AlertBuilder, which will log when AlertBuilder.emit() is called.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	EmittingLogger.LoggingAlertBuilder

Nested classes/interfaces inherited from class org.apache.druid.java.util.common.logger.Logger

Logger.LogFunction

Constructor Summary

Constructors

Constructor	Description
EmittingLogger(Class clazz)

Method Summary

Modifier and Type	Method	Description
AlertBuilder	makeAlert(String message, Object... objects)	Make an AlertBuilder which will call Logger.error(String, Object...) when AlertBuilder.emit() is called.
AlertBuilder	makeAlert(Throwable t, boolean isError, String message, Object... objects)
AlertBuilder	makeAlert(Throwable t, String message, Object... objects)	Make an AlertBuilder which will call Logger.error(Throwable, String, Object...) when AlertBuilder.emit() is called.
AlertBuilder	makeWarningAlert(String message, Object... objects)	Make an AlertBuilder which will call Logger.warn(String, Object...) when AlertBuilder.emit() is called.
EmittingLogger	noStackTrace()	Returns a copy of this Logger that does not log exception stack traces or DruidException.getContext(), unless the log level is DEBUG or lower.
static void	registerEmitter(ServiceEmitter emitter)

Methods inherited from class org.apache.druid.java.util.common.logger.Logger

debug, debug, debug, debugSegments, error, error, error, error, errorSegments, errorSegments, getName, getSlf4jLogger, info, info, info, infoSegmentIds, infoSegments, isDebugEnabled, isInfoEnabled, isTraceEnabled, toString, trace, trace, warn, warn, warn, warn, warnSegments

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

EmittingLogger

public EmittingLogger(Class clazz)

Method Details

registerEmitter

public static void registerEmitter(ServiceEmitter emitter)

noStackTrace

public EmittingLogger noStackTrace()

Description copied from class: Logger

Returns a copy of this Logger that does not log exception stack traces or DruidException.getContext(), unless the log level is DEBUG or lower. Useful for writing code like: log.noStackTrace().warn(e, "Something happened.");

Overrides:

noStackTrace in class Logger

makeWarningAlert

public AlertBuilder makeWarningAlert(String message,
 Object... objects)

Make an AlertBuilder which will call Logger.warn(String, Object...) when AlertBuilder.emit() is called.

makeAlert

public AlertBuilder makeAlert(String message,
 Object... objects)

Make an AlertBuilder which will call Logger.error(String, Object...) when AlertBuilder.emit() is called.

makeAlert

public AlertBuilder makeAlert(@Nullable
 Throwable t,
 String message,
 Object... objects)

Make an AlertBuilder which will call Logger.error(Throwable, String, Object...) when AlertBuilder.emit() is called.

makeAlert

public AlertBuilder makeAlert(@Nullable
 Throwable t,
 boolean isError,
 String message,
 Object... objects)