public Counter getOrCreateCounter(String name, long initial_value) { if(local_addr == null) throw new IllegalArgumentException("the channel needs to be connected before creating or getting a counter"); Owner owner=getOwner(); GetOrCreateRequest req=new GetOrCreateRequest(owner, name, initial_value); Promise<long[]> promise=new Promise<>(); pending_requests.put(owner, new Tuple<>(req, promise)); sendRequest(coord, req); long[] result=new long[0]; try { result=promise.getResultWithTimeout(timeout); long value=result[0], version=result[1]; if(!coord.equals(local_addr)) counters.put(name, new VersionedValue(value, version)); return new CounterImpl(name); } catch(TimeoutException e) { throw new RuntimeException(e); } }
@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); } }
@Override public void set(long new_value) { if(local_addr.equals(coord)) { VersionedValue val=getCounter(name); val.set(new_value); if(backup_coords != null) updateBackups(name, val.value, val.version); return; } Owner owner=getOwner(); Request req=new SetRequest(owner, name, new_value); 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)); } catch(TimeoutException e) { throw new RuntimeException(e); } }
Promise<long[]> promise=new Promise<>(); pending_requests.put(owner, new Tuple<>(req, promise)); sendRequest(coord, req);
public Counter getOrCreateCounter(String name, long initial_value) { if(local_addr == null) throw new IllegalArgumentException("the channel needs to be connected before creating or getting a counter"); Owner owner=getOwner(); GetOrCreateRequest req=new GetOrCreateRequest(owner, name, initial_value); Promise<long[]> promise=new Promise<>(); pending_requests.put(owner, new Tuple<>(req, promise)); sendRequest(coord, req); long[] result=new long[0]; try { result=promise.getResultWithTimeout(timeout); long value=result[0], version=result[1]; if(!coord.equals(local_addr)) counters.put(name, new VersionedValue(value, version)); return new CounterImpl(name); } catch(TimeoutException e) { throw new RuntimeException(e); } }
@Override public void set(long new_value) { if(local_addr.equals(coord)) { VersionedValue val=getCounter(name); val.set(new_value); if(backup_coords != null) updateBackups(name, val.value, val.version); return; } Owner owner=getOwner(); Request req=new SetRequest(owner, name, new_value); 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)); } catch(TimeoutException e) { throw new RuntimeException(e); } }
@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); } }
Promise<long[]> promise=new Promise<>(); pending_requests.put(owner, new Tuple<>(req, promise)); sendRequest(coord, req);