Package org.apache.logging.log4j.core.impl

Class ReusableLogEventFactory

java.lang.Object

org.apache.logging.log4j.core.impl.ReusableLogEventFactory

All Implemented Interfaces:

LocationAwareLogEventFactory, LogEventFactory

public class ReusableLogEventFactory
extends java.lang.Object
implements LogEventFactory, LocationAwareLogEventFactory

Garbage-free LogEventFactory that reuses a single mutable log event.

Since:

2.6

Field Summary

Fields

Modifier and Type	Field	Description
private static Clock	CLOCK
private ContextDataInjector	injector
private static java.lang.ThreadLocal<MutableLogEvent>	mutableLogEventThreadLocal
private static ThreadNameCachingStrategy	THREAD_NAME_CACHING_STRATEGY

Constructor Summary

Constructors

Constructor	Description
ReusableLogEventFactory()

Method Summary

Modifier and Type	Method	Description
LogEvent	createEvent(java.lang.String loggerName, Marker marker, java.lang.String fqcn, java.lang.StackTraceElement location, Level level, Message message, java.util.List<Property> properties, java.lang.Throwable t)	Creates a log event.
LogEvent	createEvent(java.lang.String loggerName, Marker marker, java.lang.String fqcn, Level level, Message message, java.util.List<Property> properties, java.lang.Throwable t)	Creates a log event.
private static MutableLogEvent	createInstance(MutableLogEvent existing)
private static MutableLogEvent	getOrCreateMutableLogEvent()
static void	release(LogEvent logEvent)	Switches the reserved flag off if the specified event is a MutableLogEvent, otherwise does nothing.

Methods inherited from class java.lang.Object

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

Field Detail

THREAD_NAME_CACHING_STRATEGY

private static final ThreadNameCachingStrategy THREAD_NAME_CACHING_STRATEGY

CLOCK

private static final Clock CLOCK

mutableLogEventThreadLocal

private static final java.lang.ThreadLocal<MutableLogEvent> mutableLogEventThreadLocal

injector

private final ContextDataInjector injector

Constructor Detail

ReusableLogEventFactory

public ReusableLogEventFactory()

Method Detail

createEvent

public LogEvent createEvent(java.lang.String loggerName,
                            Marker marker,
                            java.lang.String fqcn,
                            Level level,
                            Message message,
                            java.util.List<Property> properties,
                            java.lang.Throwable t)

Creates a log event.

Specified by:

createEvent in interface LogEventFactory

Parameters:

loggerName - The name of the Logger.

marker - An optional Marker.

fqcn - The fully qualified class name of the caller.

level - The event Level.

message - The Message.

properties - Properties to be added to the log event.

t - An optional Throwable.

Returns:

The LogEvent.

createEvent

public LogEvent createEvent(java.lang.String loggerName,
                            Marker marker,
                            java.lang.String fqcn,
                            java.lang.StackTraceElement location,
                            Level level,
                            Message message,
                            java.util.List<Property> properties,
                            java.lang.Throwable t)

Creates a log event.

Specified by:

createEvent in interface LocationAwareLogEventFactory

Specified by:

createEvent in interface LogEventFactory

Parameters:

loggerName - The name of the Logger.

marker - An optional Marker.

fqcn - The fully qualified class name of the caller.

location - The location of the caller.

level - The event Level.

message - The Message.

properties - Properties to be added to the log event.

t - An optional Throwable.

Returns:

The LogEvent.

getOrCreateMutableLogEvent

private static MutableLogEvent getOrCreateMutableLogEvent()

createInstance

private static MutableLogEvent createInstance(MutableLogEvent existing)

release

public static void release(LogEvent logEvent)

Switches the reserved flag off if the specified event is a MutableLogEvent, otherwise does nothing. This flag is used internally to verify that a reusable log event is no longer in use and can be reused.

Parameters:

logEvent - the log event to make available again

Since:

2.7