R<T>
A template class to hold the status code, error message, and the response returned by each client interface.
package io.milvus.param;
public class R<T>
R.Status
R.Status is an enumeration of the status codes. Each R<T> object holds an integer value that can be mapped to the R.Status.
Note: Not all status codes are used, some of them are reserved.
Status |
Code |
Description |
|---|---|---|
IllegalResponse |
-6 |
The response returned by the server is incorrect. Parsing the response on the client side fails. |
ParamError |
-5 |
The parameter is illegal on the client side. |
VersionMismatch |
-4 |
*This error is reserved and not used for now. |
Unknown |
-3 |
General error for an unknown reason. |
ClientNotConnected |
-2 |
The connection is not ready. |
RpcError |
-1 |
*This error is reserved and not used for now. |
Success |
0 |
Operation succeeded. |
UnexpectedError |
1 |
Error caused by unexpected reason. |
ConnectFailed |
2 |
*This error is reserved and not used for now. |
PermissionDenied |
3 |
*This error is reserved and not used for now. |
CollectionNotExists |
4 |
*This error is reserved and not used for now. |
IllegalArgument |
5 |
The parameter is illegal on the server side. |
IllegalDimension |
7 |
*This error is reserved and not used for now. |
IllegalIndexType |
8 |
*This error is reserved and not used for now. |
IllegalCollectionName |
9 |
*This error is reserved and not used for now. |
IllegalTOPK |
10 |
*This error is reserved and not used for now. |
IllegalRowRecord |
11 |
*This error is reserved and not used for now. |
IllegalVectorID |
12 |
*This error is reserved and not used for now. |
IllegalSearchResult |
13 |
*This error is reserved and not used for now. |
FileNotFound |
14 |
*This error is reserved and not used for now. |
MetaFailed |
15 |
Getting metadata fails on the server side. |
CacheFailed |
16 |
*This error is reserved and not used for now. |
CannotCreateFolder |
17 |
*This error is reserved and not used for now. |
CannotCreateFile |
18 |
*This error is reserved and not used for now. |
CannotDeleteFolder |
19 |
*This error is reserved and not used for now. |
CannotDeleteFile |
20 |
*This error is reserved and not used for now. |
BuildIndexError |
21 |
*This error is reserved and not used for now. |
IllegalNLIST |
22 |
*This error is reserved and not used for now. |
IllegalMetricType |
23 |
*This error is reserved and not used for now. |
OutOfMemory |
24 |
*This error is reserved and not used for now. |
IndexNotExist |
25 |
*This error is reserved and not used for now. |
EmptyCollection |
26 |
*This error is reserved and not used for now. |
Methods
Method |
Description |
Return |
|---|---|---|
getMessage() |
Gets the error message. |
String |
getStatus() |
Gets the status code. |
Integer |
getData() |
Gets the response object returned by the server. |
RPC response class |
Example
import io.milvus.param.*;
R<RpcStatus> response = client.dropCollection(DropCollectionParam.newBuilder()
.withCollectionName(COLLECTION_NAME)
.build());
if (response.getStatus() != R.Status.Success.getCode()) {
System.out.println(response.getMessage());
}