@Override
public void performBackgroundOperation(final OperationAndData<String> operationAndData)
throws Exception {
final TimeTrace trace = client.getZookeeperClient().startTracer("ExistsBuilderImpl-Background");
AsyncCallback.StatCallback callback =
new AsyncCallback.StatCallback() {
@Override
public void processResult(int rc, String path, Object ctx, Stat stat) {
trace.commit();
CuratorEvent event =
new CuratorEventImpl(
CuratorEventType.EXISTS, rc, path, null, ctx, stat, null, null, null, null);
client.processBackgroundOperation(operationAndData, event);
}
};
if (watching.isWatched()) {
client
.getZooKeeper()
.exists(operationAndData.getData(), true, callback, backgrounding.getContext());
} else {
client
.getZooKeeper()
.exists(
operationAndData.getData(),
watching.getWatcher(),
callback,
backgrounding.getContext());
}
}
