ekuiper-new/pkg/message/artifacts.go

// Copyright 2021-2022 EMQ Technologies Co., Ltd.
//
// Licensed 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 message

const (
	FormatBinary   = "binary"
	FormatJson     = "json"
	FormatProtobuf = "protobuf"
	FormatCustom   = "custom"

	DefaultField = "self"
	MetaKey      = "__meta"
)

func IsFormatSupported(format string) bool {
	switch format {
	case FormatBinary, FormatJson, FormatProtobuf, FormatCustom:
		return true
	default:
		return false
	}
}

// Converter converts bytes & map or []map according to the schema
type Converter interface {
	Encode(d interface{}) ([]byte, error)
	Decode(b []byte) (interface{}, error)
}