/**
* Submit differencers for running. All tree *must* have been received before this is called.
*/
public void submitDifferencers() {
assert requestedEndpoints.size() == 0;
// Right now, we only difference local host against each other. CASSANDRA-2610 will fix
// that.
// In the meantime ugly special casing will work good enough.
MerkleTree localTree = trees.get(FBUtilities.getLocalAddress());
assert localTree != null;
for (Map.Entry<InetAddress, MerkleTree> entry : trees.entrySet()) {
if (entry.getKey().equals(FBUtilities.getLocalAddress())) continue;
Differencer differencer =
new Differencer(cfname, entry.getKey(), entry.getValue(), localTree);
syncJobs.add(entry.getKey());
logger.debug("Queueing comparison " + differencer);
StageManager.getStage(Stage.ANTI_ENTROPY).execute(differencer);
}
trees.clear(); // allows gc to do its thing
}
public int completed(R request) {
requests.remove(request);
return requests.size();
}
/**
* Add a new received tree and return the number of remaining tree to be received for the job
* to be complete.
*/
public synchronized int addTree(TreeRequest request, MerkleTree tree) {
assert request.cf.right.equals(cfname);
trees.put(request.endpoint, tree);
requestedEndpoints.remove(request.endpoint);
return requestedEndpoints.size();
}