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Java SDK for Milvus, a distributed high-performance vector database.

There is a newer version: 2.4.8

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.milvus.v2.utils;

import io.milvus.grpc.Status;
import io.milvus.v2.exception.ErrorCode;
import io.milvus.v2.exception.MilvusClientException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class RpcUtils {

    protected static final Logger logger = LoggerFactory.getLogger(RpcUtils.class);

    public void handleResponse(String requestInfo, Status status) {
        // the server made a change for error code:
        // for 2.2.x, error code is status.getErrorCode()
        // for 2.3.x, error code is status.getCode(), and the status.getErrorCode()
        // is also assigned according to status.getCode()
        //
        // For error cases:
        // if we use 2.3.4 sdk to interact with 2.3.x server, getCode() is non-zero, getErrorCode() is non-zero
        // if we use 2.3.4 sdk to interact with 2.2.x server, getCode() is zero, getErrorCode() is non-zero
        // if we use <=2.3.3 sdk to interact with 2.2.x/2.3.x server, getCode() is not available, getErrorCode() is non-zero

        if (status.getCode() != 0 || !status.getErrorCode().equals(io.milvus.grpc.ErrorCode.Success)) {

            // 2.3.4 sdk to interact with 2.2.x server, the getCode() is zero, here we reset its value to getErrorCode()
            int code = status.getCode();
            if (code == 0) {
                code = status.getErrorCode().getNumber();
            }
            logger.error("{} failed, error code: {}, reason: {}", requestInfo, ErrorCode.SERVER_ERROR.getCode(),
                    status.getReason());
            throw new MilvusClientException(ErrorCode.SERVER_ERROR, status.getReason(),
                    code, status.getErrorCode().getNumber());
        }

        logger.debug("{} successfully!", requestInfo);
    }
}