Hook: Log Opening Or Closing Of Log File

Requirement

A log entry needs to be written whenever a log file is opened or closed.

Method of Adaptation

Enable Feature

Level of Support

Parameter Pattern

HotSpot

Log management

Hooks used

Incorporate New Log Type

Participants

Log, NewLog

Changes

1. subclass NewLog of Log.
2. if need to log opening of log file:
1. NewLog.logOpenLog overrides Log.logOpenLog .
3. if need to log closing of log file:
1. NewLog.logCloseLog overrides Log.logCloseLog .
4. Incorporate New Log Type [NewLog = NewLog].