public JournalWriter(JournalMetadata<T> metadata, JournalKey<T> key) throws JournalException {
super(metadata, key);
if (metadata.isPartialMapped()) {
close();
throw new JournalException("Metadata is unusable for writer. Partially mapped?");
}
this.lagMillis = TimeUnit.HOURS.toMillis(getMetadata().getLag());
this.lagSwellMillis = lagMillis * 3;
this.checkOrder = key.isOrdered() && getTimestampOffset() != -1;
this.journalEntryWriter = new JournalEntryWriterImpl(this);
this.discardTxt = new File(metadata.getLocation(), "discard.txt");
}
