/**
* @param request
* @param connection
* @return
*/
public DataList handlePublisherRequest(
PublishRequestTuple request, AbstractLengthPrependerClient connection) {
String identifier = request.getIdentifier();
DataList dl;
if (publisherBuffers.containsKey(identifier)) {
/*
* close previous connection with the same identifier which is guaranteed to be unique.
*/
AbstractLengthPrependerClient previous = publisherChannels.put(identifier, connection);
if (previous != null) {
eventloop.disconnect(previous);
}
dl = publisherBuffers.get(identifier);
try {
dl.rewind(request.getBaseSeconds(), request.getWindowId());
} catch (IOException ie) {
throw new RuntimeException(ie);
}
} else {
dl =
Tuple.FAST_VERSION.equals(request.getVersion())
? new FastDataList(identifier, blockSize, numberOfCacheBlocks)
: new DataList(identifier, blockSize, numberOfCacheBlocks);
publisherBuffers.put(identifier, dl);
}
dl.setSecondaryStorage(storage, storageHelperExecutor);
return dl;
}
