/**
* Stages a file from nearline storage.
*
* <p>TODO: Should eventually accept multiple files at once, but the rest of the pool doesn't
* support that yet.
*
* @param file attributes of file to stage
* @param callback callback notified when file is staged
*/
public void stage(
String hsmInstance, FileAttributes file, CompletionHandler<Void, PnfsId> callback) {
try {
NearlineStorage nearlineStorage = hsmSet.getNearlineStorageByName(hsmInstance);
checkArgument(nearlineStorage != null, "No such nearline storage: " + hsmInstance);
stageRequests.addAll(nearlineStorage, Collections.singleton(file), callback);
} catch (RuntimeException e) {
callback.failed(e, file.getPnfsId());
}
}
/**
* Removes a set of files from nearline storage.
*
* @param hsmInstance instance name of nearline storage
* @param files files to remove
* @param callback callback notified for every file removed
*/
public void remove(
String hsmInstance, Iterable<URI> files, CompletionHandler<Void, URI> callback) {
try {
NearlineStorage nearlineStorage = hsmSet.getNearlineStorageByName(hsmInstance);
checkArgument(nearlineStorage != null, "No such nearline storage: " + hsmInstance);
removeRequests.addAll(nearlineStorage, files, callback);
} catch (RuntimeException e) {
for (URI location : files) {
callback.failed(e, location);
}
}
}
/**
* Flushes a set of files to nearline storage.
*
* @param hsmType type of nearline storage
* @param files files to flush
* @param callback callback notified for every file flushed
*/
public void flush(
String hsmType, Iterable<PnfsId> files, CompletionHandler<Void, PnfsId> callback) {
try {
NearlineStorage nearlineStorage = hsmSet.getNearlineStorageByType(hsmType);
checkArgument(nearlineStorage != null, "No such nearline storage: " + hsmType);
flushRequests.addAll(nearlineStorage, files, callback);
} catch (RuntimeException e) {
for (PnfsId pnfsId : files) {
callback.failed(e, pnfsId);
}
}
}