NullLogger

Dummy implementation of logger with no real effect.

Implements: ILogger

Description

The NullLogger class provides a dummy logger with no real effect.

Important points

  • It can be used in testing or in situations when a logger is required but must be disabled.

Constructors

NewNullLogger

NewNullLogger() *NullLogger

Methods

Level

Gets the maximum log level. Messages with higher log level are filtered out.

(c *Logger) Level() LevelType

Info

Logs an important information message

(c *Logger) Info(ctx context.Context, correlationId string, message string, args …any)

  • ctx: context.Context - operation context.
  • correlationId: string - (optional) transaction id used to trace execution through the call chain.
  • message: string - human-readable message to log.
  • args: …any - arguments to parameterize the message.

Log

Logs a message at a specified log level.

(c *Logger) Log(ctx context.Context, level LevelType, correlationId string, err error, message string, args …any)

  • ctx: context.Context - operation context.
  • level: LevelType - log level.
  • correlationId: string - (optional) transaction used id to trace execution through the call chain.
  • error: error - error object associated with this message.
  • message: string - human-readable message to log.
  • args: …any - arguments to parameterize the message.

SetLevel

Sets the maximum log level.

(c *Logger) SetLevel(value LevelType)

Trace

Logs a low-level debug information for troubleshooting.

(c *Logger) Trace(ctx context.Context, correlationId string, message string, args …any)

  • ctx: context.Context - operation context.
  • correlationId: string - (optional) transaction id used to trace execution through the call chain.
  • message: string - human-readable message to log.
  • args: …any- arguments to parameterize the message.

Warn

Logs a warning that may or may not have a negative impact.

(c *Logger) Warn(ctx context.Context, correlationId string, message string, args …any)

  • ctx: context.Context - operation context.
  • correlationId: string - (optional) transaction id used to trace execution through the call chain.
  • message: string - human-readable message to log.
  • args: …any - arguments to parameterize the message.

See also