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public interface FileWriterMultiFileWriter { /** * get File manager for the log event. This file manager will be used to create, append-events, flush and close the file for the logging * events to fileof entityId (logging-context) */ void appendgetFileManager(Iterator<LogEvent>LogEvent eventsevent); } |
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interface FileManager { /** * createBased aon filethe corresponding to thelogEvent, get entityId and use that timestampinformation andto returncreate the file. **/ File createFile(EntityId entityId, long timestamp); LogEvent logEvent); /** * append log events to the currently active file belonging to the entityId represented by these log events. * Logic : on the first append, we determine if the file has to be rotated or not using the RotationPolicy#shoudRotateFile(File file, LogEvent * logEvent). If it has to be rotated, we will use RotationPolicy#rotateFile(File file, LogEvent logEvent) to rotate the file (close the old * file) and append to the new file **/ void appendEvents(Iterator<LogEvent> logEvents); /** * close the currently active file. **/ void close(File file, long timestamp); /** * flush the contents of the currently active file **/ void flush(); } |
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public interface RotationPolicy {
/**
* For the logEvent, decide if we should rotate the logcurrent file corresponding to this event or not.
*/
boolean shouldRotateFile(File file, LogEvent logEvent);
/**
* For the logEvent, rotate the log file based on rotation logic and return the newly created File.
*/
File rotateFile(File file, LogEvent logEvent);
/**
* For the logEvent, get the currently active file used for appending the log events.
*/
File getActiveFile(LogEvent logEvent);
} |
Approach
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