Exception.h

// 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.

#pragma once

#include "utils/Error.h"

#include <exception>
#include <string>

namespace zilliz {
namespace milvus {

class Exception : public std::exception {
 public:
    Exception(ErrorCode code, const std::string &message)
        : code_(code),
          message_(message) {
    }

    ErrorCode code() const throw() {
        return code_;
    }

    virtual const char *what() const throw() {
        if (message_.empty()) {
            return "Default Exception.";
        } else {
            return message_.c_str();
        }
    }

    virtual ~Exception() throw() {
    }

 protected:
    ErrorCode code_;
    std::string message_;
};

class InvalidArgumentException : public Exception {
 public:
    InvalidArgumentException()
        : Exception(SERVER_INVALID_ARGUMENT, "Invalid Argument") {
    }

    explicit InvalidArgumentException(const std::string &message)
        : Exception(SERVER_INVALID_ARGUMENT, message) {
    }
};

} // namespace milvus
} // namespace zilliz