CompositeRollingAppender.java 文件源码

/**
 * Handles append time behavior for CompositeRollingAppender.  This checks
 * if a roll over either by date (checked first) or time (checked second)
 * is need and then appends to the file last.
*/
protected void subAppend(LoggingEvent event) {

    if (rollDate) {
        long n = System.currentTimeMillis();
        if (n >= nextCheck) {
            now.setTime(n);
            nextCheck = rc.getNextCheckMillis(now);

            rollOverTime();
        }
    }

    if (rollSize) {
        if ((fileName != null) && ((CountingQuietWriter) qw).getCount() >= maxFileSize) {
            rollOverSize();
        }
    }

    super.subAppend(event);
}