public static void flushCache(@Nullable VirtualFile finishedFile) {
if (finishedFile == null || !myFinishedFiles.offer(finishedFile)) {
VirtualFile[] files = null;
synchronized (myFinishedFiles) {
int size = myFinishedFiles.size();
if ((finishedFile == null && size > 0) || size == CAPACITY) {
files = myFinishedFiles.toArray(new VirtualFile[size]);
myFinishedFiles.clear();
}
}
if (files != null) {
for (VirtualFile file : files) {
synchronized (getStripedLock(file)) {
Timestamps timestamp = myTimestampsCache.remove(file);
if (timestamp == null) continue;
try {
if (timestamp.isDirty() && file.isValid()) {
final DataOutputStream sink = Timestamps.PERSISTENCE.writeAttribute(file);
timestamp.writeToStream(sink);
sink.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
}
if (finishedFile != null) myFinishedFiles.offer(finishedFile);
}
}
public static long getIndexStamp(VirtualFile file, ID<?, ?> indexName) {
synchronized (getStripedLock(file)) {
Timestamps stamp = createOrGetTimeStamp(file);
if (stamp != null) return stamp.get(indexName);
return 0;
}
}
public static void update(
final VirtualFile file, final ID<?, ?> indexName, final long indexCreationStamp) {
synchronized (getStripedLock(file)) {
try {
Timestamps stamp = createOrGetTimeStamp(file);
if (stamp != null) stamp.set(indexName, indexCreationStamp);
} catch (InvalidVirtualFileAccessException ignored /*ok to ignore it here*/) {
}
}
}
@Override
protected void onDropFromCache(final VirtualFile key, final Timestamps value) {
try {
if (value.isDirty()) {
final DataOutputStream sink = Timestamps.PERSISTENCE.writeAttribute(key);
value.writeToStream(sink);
sink.close();
}
} catch (InvalidVirtualFileAccessException ignored /*ok to ignore it here*/) {
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Test
public void testCheckGoodStartTimestamp() {
assertEquals(GOOD_TIMESTAMP, Timestamps.checkTimestamp(GOOD_TIMESTAMP));
}
@Test(expected = IllegalArgumentException.class)
public void testCheckTimestampNegativeTimestamp() {
Timestamps.checkTimestamp(BAD_TIMESTAMP);
}
