/** Closes this cache. Stored values will remain on the filesystem. */
public synchronized void close() throws IOException {
if (journalWriter == null) {
return; // Already closed.
}
for (Entry entry : new ArrayList<Entry>(lruEntries.values())) {
if (entry.currentEditor != null) {
entry.currentEditor.abort();
}
}
trimToSize();
trimToFileCount();
journalWriter.close();
journalWriter = null;
}
public Void call() throws Exception {
synchronized (DiskLruCache.this) {
if (journalWriter == null) {
return null; // Closed.
}
trimToSize();
trimToFileCount();
if (journalRebuildRequired()) {
rebuildJournal();
redundantOpCount = 0;
}
}
return null;
}
/** Force buffered operations to the filesystem. */
public synchronized void flush() throws IOException {
checkNotClosed();
trimToSize();
trimToFileCount();
journalWriter.flush();
}
