public IWatcher Watch(ByteSequence key, WatchOption watchOption)
{
if (IsClosed())
{
throw new ClosedWatchClientException();
}
WatcherImpl watcher = new WatcherImpl(key, watchOption, this);
// this.pendingWatchers.Enqueue(watcher);
Etcdserverpb.WatchRequest request = new Etcdserverpb.WatchRequest();
Etcdserverpb.WatchCreateRequest createRequest = new Etcdserverpb.WatchCreateRequest();
createRequest.Key = key.GetByteString();
createRequest.PrevKv = watchOption.isPrevKV();
createRequest.ProgressNotify = watchOption.isProgressNotify();
createRequest.RangeEnd = watchOption.getEndKey().GetByteString();
createRequest.StartRevision = watchOption.getRevision();
request.CreateRequest = createRequest;
Grpc.Core.CallOptions callOptions = new Grpc.Core.CallOptions();
watchClient.Watch(callOptions);
// watchClient.Watch()
// watchClient.Watch()
// if (this.pendingWatchers.Count == 1) {
// head of the queue send watchCreate request.
// WatchRequest request = this.toWatchCreateRequest(watcher);
// this.getGrpcWatchStreamObserver().onNext(request);
// }
return(watcher);
}
public WatcherImpl(ByteSequence key, WatchOption watchOption, WatchImpl owner)
{
this.key = key;
this.watchOption = watchOption;
this.revision = watchOption.getRevision();
this.owner = owner;
}
public WatcherImpl(ByteSequence key, WatchOption watchOption, WatchImpl owner)
{
this.key = key;
this.watchOption = watchOption;
this.revision = watchOption.Revision;
this.owner = owner;
this.watchClient = owner.watchClient;
}
public IWatcher Watch(ByteSequence key, WatchOption watchOption)
{
if (closed)
{
throw new ClosedWatchClientException();
}
WatcherImpl watcher = null;
lock (this)
{
watcher = new WatcherImpl(key, watchOption, this);
watcher.Resume();
pendingWatchers.Enqueue(watcher);
}
return(watcher);
}
private static Etcdserverpb.WatchRequest ToWatchCreateRequest(WatcherImpl watcher)
{
ByteString key = watcher.GetKey().GetByteString();
WatchOption option = watcher.GetWatchOption();
Etcdserverpb.WatchCreateRequest watchCreate = new Etcdserverpb.WatchCreateRequest();
watchCreate.Key = key;
watchCreate.PrevKv = option.isPrevKV();
watchCreate.ProgressNotify = option.isProgressNotify();
watchCreate.StartRevision = watcher.GetRevision();
watchCreate.RangeEnd = option.getEndKey().GetByteString();
if (option.isNoDelete())
{
watchCreate.Filters.Add(Etcdserverpb.WatchCreateRequest.Types.FilterType.Nodelete);
}
if (option.isNoPut())
{
watchCreate.Filters.Add(Etcdserverpb.WatchCreateRequest.Types.FilterType.Noput);
}
Etcdserverpb.WatchRequest request = new Etcdserverpb.WatchRequest();
request.CreateRequest = watchCreate;
return(request);
}
