github.com/kaydxh/golang@v0.0.131/go/reflect/id.go (about)

     1  /*
     2   *Copyright (c) 2022, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package reflect
    23  
    24  var (
    25  	FieldNameRequestId = "RequestId"
    26  	FieldNameSessionId = "SessionId"
    27  )
    28  
    29  type IdRetriever interface {
    30  	GetId() string
    31  }
    32  
    33  func RetrieveId(req interface{}, key string) string {
    34  	if req == nil {
    35  		return ""
    36  	}
    37  	// if defined GetRequestId()string method, use it get requestId
    38  	if req, ok := req.(IdRetriever); ok {
    39  		if req != nil {
    40  			return req.GetId()
    41  		}
    42  	}
    43  	return RetrieveStructField(req, key)
    44  }
    45  
    46  func TrySetId(req interface{}, key, id string) {
    47  	TrySetStructFiled(req, key, id)
    48  }