algoliasearch/src/main/java/com/algolia/search/saas/Index.java
public Request partialUpdateObjectAsync(final @NonNull JSONObject partialObject, final @NonNull String objectID, final boolean createIfNotExists, @Nullable final RequestOptions requestOptions, @Nullable CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override protected JSONObject run() throws AlgoliaException {
                return partialUpdateObject(partialObject, objectID, createIfNotExists, requestOptions);
            }
        }.start();
    }
public Request partialUpdateObjectAsync(final @NonNull JSONObject partialObject, final @NonNull String objectID, final boolean createIfNotExists, @Nullable final RequestOptions requestOptions, @Nullable CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override protected JSONObject run() throws AlgoliaException {
                return partialUpdateObject(partialObject, objectID, createIfNotExists, requestOptions);
            }
        }.start();
    }
Partially update an object (asynchronously).

@param partialObject     New value/operations for the object.
@param objectID          Identifier of object to be updated.
@param createIfNotExists Whether the object should be created if it does not exist already.
@param requestOptions    Request-specific options.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.