NullLog (Neo4j - Logging 2.3.1 API)

java.lang.Object
- org.neo4j.logging.NullLog

All Implemented Interfaces:

Log
```
public final class NullLog
extends Object
implements Log
```
A Log implementation that discards all messages

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`bulk(org.neo4j.function.Consumer<Log> consumer)` Used to temporarily log several messages in bulk.
`void`	`debug(String message)` Shorthand for `debugLogger().log( message )`
`void`	`debug(String format, Object... arguments)` Shorthand for `debugLogger().log( format, arguments )`
`void`	`debug(String message, Throwable throwable)` Shorthand for `debugLogger().log( message, throwable )`
`Logger`	`debugLogger()`
`void`	`error(String message)` Shorthand for `errorLogger().log( message )`
`void`	`error(String format, Object... arguments)` Shorthand for `errorLogger().log( format, arguments )`
`void`	`error(String message, Throwable throwable)` Shorthand for `errorLogger().log( message, throwable )`
`Logger`	`errorLogger()`
`static NullLog`	`getInstance()`
`void`	`info(String message)` Shorthand for `infoLogger().log( message )`
`void`	`info(String format, Object... arguments)` Shorthand for `infoLogger().log( format, arguments )`
`void`	`info(String message, Throwable throwable)` Shorthand for `infoLogger().log( message, throwable )`
`Logger`	`infoLogger()`
`boolean`	`isDebugEnabled()`
`void`	`warn(String message)` Shorthand for `warnLogger().log( message )`
`void`	`warn(String format, Object... arguments)` Shorthand for `warnLogger().log( format, arguments )`
`void`	`warn(String message, Throwable throwable)` Shorthand for `warnLogger().log( message, throwable )`
`Logger`	`warnLogger()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - getInstance
```
public static NullLog getInstance()
```
    Returns:
    A singleton NullLog instance
  - isDebugEnabled
```
public boolean isDebugEnabled()
```
    Specified by:
    
    isDebugEnabled in interface Log
    
    Returns:
    true if the current log level enables debug logging
  - debugLogger
```
public Logger debugLogger()
```
    Specified by:
    
    debugLogger in interface Log
    
    Returns:
    a Logger instance for writing debug messages
  - debug
```
public void debug(String message)
```
    Description copied from interface: Log
    
    Shorthand for debugLogger().log( message )
    
    Specified by:
    
    debug in interface Log
    
    Parameters:
    message - The message to be written
  - debug
```
public void debug(String message,
         Throwable throwable)
```
    Description copied from interface: Log
    
    Shorthand for debugLogger().log( message, throwable )
    
    Specified by:
    
    debug in interface Log
    
    Parameters:
    message - The message to be written
    throwable - An exception that will also be written
  - debug
```
public void debug(String format,
         Object... arguments)
```
    Description copied from interface: Log
    
    Shorthand for debugLogger().log( format, arguments )
    
    Specified by:
    
    debug in interface Log
    
    Parameters:
    format - A string format for writing a message
    arguments - Arguments to substitute into the message according to the format
  - infoLogger
```
public Logger infoLogger()
```
    Specified by:
    
    infoLogger in interface Log
    
    Returns:
    a Logger instance for writing info messages
  - info
```
public void info(String message)
```
    Description copied from interface: Log
    
    Shorthand for infoLogger().log( message )
    
    Specified by:
    
    info in interface Log
    
    Parameters:
    message - The message to be written
  - info
```
public void info(String message,
        Throwable throwable)
```
    Description copied from interface: Log
    
    Shorthand for infoLogger().log( message, throwable )
    
    Specified by:
    
    info in interface Log
    
    Parameters:
    message - The message to be written
    throwable - An exception that will also be written
  - info
```
public void info(String format,
        Object... arguments)
```
    Description copied from interface: Log
    
    Shorthand for infoLogger().log( format, arguments )
    
    Specified by:
    
    info in interface Log
    
    Parameters:
    format - A string format for writing a message
    arguments - Arguments to substitute into the message according to the format
  - warnLogger
```
public Logger warnLogger()
```
    Specified by:
    
    warnLogger in interface Log
    
    Returns:
    a Logger instance for writing warn messages
  - warn
```
public void warn(String message)
```
    Description copied from interface: Log
    
    Shorthand for warnLogger().log( message )
    
    Specified by:
    
    warn in interface Log
    
    Parameters:
    message - The message to be written
  - warn
```
public void warn(String message,
        Throwable throwable)
```
    Description copied from interface: Log
    
    Shorthand for warnLogger().log( message, throwable )
    
    Specified by:
    
    warn in interface Log
    
    Parameters:
    message - The message to be written
    throwable - An exception that will also be written
  - warn
```
public void warn(String format,
        Object... arguments)
```
    Description copied from interface: Log
    
    Shorthand for warnLogger().log( format, arguments )
    
    Specified by:
    
    warn in interface Log
    
    Parameters:
    format - A string format for writing a message
    arguments - Arguments to substitute into the message according to the format
  - errorLogger
```
public Logger errorLogger()
```
    Specified by:
    
    errorLogger in interface Log
    
    Returns:
    a Logger instance for writing error messages
  - error
```
public void error(String message)
```
    Description copied from interface: Log
    
    Shorthand for errorLogger().log( message )
    
    Specified by:
    
    error in interface Log
    
    Parameters:
    message - The message to be written
  - error
```
public void error(String message,
         Throwable throwable)
```
    Description copied from interface: Log
    
    Shorthand for errorLogger().log( message, throwable )
    
    Specified by:
    
    error in interface Log
    
    Parameters:
    message - The message to be written
    throwable - An exception that will also be written
  - error
```
public void error(String format,
         Object... arguments)
```
    Description copied from interface: Log
    
    Shorthand for errorLogger().log( format, arguments )
    
    Specified by:
    
    error in interface Log
    
    Parameters:
    format - A string format for writing a message
    arguments - Arguments to substitute into the message according to the
  - bulk
```
public void bulk(org.neo4j.function.Consumer<Log> consumer)
```
    Description copied from interface: Log
    
    Used to temporarily log 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 Log
    
    Parameters:
    consumer - A consumer for the bulk Log

Class NullLog

Method Summary

Methods inherited from class java.lang.Object

Method Detail

getInstance

isDebugEnabled

debugLogger

debug

debug

debug

infoLogger

info

info

info

warnLogger

warn

warn

warn

errorLogger

error

error

error

bulk