public void run() {
// TODO get rid of current and use the marker file instead?
directoryProviderLock.lock();
try {
long start = System.nanoTime(); // keep time after lock is acquired for correct measure
int oldIndex = current;
int index = oldIndex == 1 ? 2 : 1;
File destinationFile = new File(destination, Integer.valueOf(index).toString());
try {
log.tracef("Copying %s into %s", source, destinationFile);
FileHelper.synchronize(source, destinationFile, true, copyChunkSize);
current = index;
} catch (IOException e) {
// don't change current
log.unableToSynchronizeSource(indexName, e);
return;
}
if (!new File(destination, CURRENT_DIR_NAME[oldIndex]).delete()) {
log.unableToRemovePreviousMarket(indexName);
}
try {
new File(destination, CURRENT_DIR_NAME[index]).createNewFile();
} catch (IOException e) {
log.unableToCreateCurrentMarker(indexName, e);
}
log.tracef(
"Copy for %s took %d ms",
indexName, TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - start));
} finally {
directoryProviderLock.unlock();
inProgress.set(false);
}
}
public void start() {
int currentLocal = 0;
this.directoryProviderLock = this.context.getDirectoryProviderLock(this);
this.context = null;
try {
// copy to source
if (new File(sourceDir, CURRENT1).exists()) {
currentLocal = 2;
} else if (new File(sourceDir, CURRENT2).exists()) {
currentLocal = 1;
} else {
log.debugf("Source directory for '%s' will be initialized", indexName);
currentLocal = 1;
}
String currentString = Integer.valueOf(currentLocal).toString();
File subDir = new File(sourceDir, currentString);
FileHelper.synchronize(indexDir, subDir, true, copyChunkSize);
new File(sourceDir, CURRENT1).delete();
new File(sourceDir, CURRENT2).delete();
// TODO small hole, no file can be found here
new File(sourceDir, CURRENT_DIR_NAME[currentLocal]).createNewFile();
log.debugf("Current directory: %d", currentLocal);
} catch (IOException e) {
throw new SearchException("Unable to initialize index: " + directoryProviderName, e);
}
task = new FSMasterDirectoryProvider.TriggerTask(indexDir, sourceDir);
long period = DirectoryProviderHelper.getRefreshPeriod(properties, directoryProviderName);
timer.scheduleAtFixedRate(task, period, period);
this.current = currentLocal; // write to volatile to publish all state
}
@Test
public void testMkdirsDetermineIndex() throws Exception {
String root = "./testDir/dir1/dir2";
String relative = "dir3";
Properties properties = new Properties();
properties.put("indexBase", root);
properties.put("indexName", relative);
DirectoryHelper.getVerifiedIndexDir("name", properties, true);
assertTrue(new File(root).exists());
FileHelper.delete(new File("./testDir"));
}
