@Override public long addAndGet(long delta) { if(local_addr.equals(coord)) { VersionedValue val=getCounter(name); long retval=val.addAndGet(delta)[0]; if(backup_coords != null) updateBackups(name, val.value, val.version); return retval; } Owner owner=getOwner(); Request req=new AddAndGetRequest(owner, name, delta); Promise<long[]> promise=new Promise<>(); pending_requests.put(owner, new Tuple<>(req, promise)); sendRequest(coord, req); Object obj=null; try { obj=promise.getResultWithTimeout(timeout); if(obj instanceof Throwable) throw new IllegalStateException((Throwable)obj); long[] result=(long[])obj; long value=result[0], version=result[1]; if(!coord.equals(local_addr)) counters.put(name, new VersionedValue(value, version)); return value; } catch(TimeoutException e) { throw new RuntimeException(e); } }
protected static Request createRequest(RequestType type) { switch(type) { case COMPARE_AND_SET: return new CompareAndSetRequest(); case ADD_AND_GET: return new AddAndGetRequest(); case UPDATE: return new UpdateRequest(); case GET_OR_CREATE: return new GetOrCreateRequest(); case DELETE: return new DeleteRequest(); case SET: return new SetRequest(); case RECONCILE: return new ReconcileRequest(); case RESEND_PENDING_REQUESTS: return new ResendPendingRequests(); default: throw new IllegalArgumentException("failed creating a request from " + type); } }
@Override public long addAndGet(long delta) { if(local_addr.equals(coord)) { VersionedValue val=getCounter(name); long retval=val.addAndGet(delta)[0]; if(backup_coords != null) updateBackups(name, val.value, val.version); return retval; } Owner owner=getOwner(); Request req=new AddAndGetRequest(owner, name, delta); Promise<long[]> promise=new Promise<>(); pending_requests.put(owner, new Tuple<>(req, promise)); sendRequest(coord, req); Object obj=null; try { obj=promise.getResultWithTimeout(timeout); if(obj instanceof Throwable) throw new IllegalStateException((Throwable)obj); long[] result=(long[])obj; long value=result[0], version=result[1]; if(!coord.equals(local_addr)) counters.put(name, new VersionedValue(value, version)); return value; } catch(TimeoutException e) { throw new RuntimeException(e); } }
protected static Request createRequest(RequestType type) { switch(type) { case COMPARE_AND_SET: return new CompareAndSetRequest(); case ADD_AND_GET: return new AddAndGetRequest(); case UPDATE: return new UpdateRequest(); case GET_OR_CREATE: return new GetOrCreateRequest(); case DELETE: return new DeleteRequest(); case SET: return new SetRequest(); case RECONCILE: return new ReconcileRequest(); case RESEND_PENDING_REQUESTS: return new ResendPendingRequests(); default: throw new IllegalArgumentException("failed creating a request from " + type); } }