org.neo4j.logging

Class NullLogger

java.lang.Object

org.neo4j.logging.NullLogger

All Implemented Interfaces:

Logger

public final class NullLogger
extends Object
implements Logger

A Logger implementation that discards all messages

Method Summary

Modifier and Type	Method and Description
void	bulk(Consumer<Logger> consumer) Used to temporarily write several messages in bulk.
static NullLogger	getInstance()
void	log(String message)
void	log(String format, Object... arguments)
void	log(String message, Throwable throwable)

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static NullLogger getInstance()

Returns:

A singleton NullLogger instance

log

public void log(@Nonnull
                String message)

Specified by:

log in interface Logger

Parameters:

message - The message to be written

log

public void log(@Nonnull
                String message,
                @Nonnull
                Throwable throwable)

Specified by:

log in interface Logger

Parameters:

message - The message to be written

throwable - An exception that will also be written

log

public void log(@Nonnull
                String format,
                @Nonnull
                Object... arguments)

Specified by:

log in interface Logger

Parameters:

format - A string format for writing a message

arguments - Arguments to substitute into the message according to the format

bulk

public void bulk(@Nonnull
                 Consumer<Logger> consumer)

Description copied from interface: Logger

Used to temporarily write several messages in bulk. The implementation may choose to disable flushing, and may also block other operations until the bulk update is completed.

Specified by:

bulk in interface Logger

Parameters:

consumer - A callback operation that accepts an equivalent Logger