github.com/GeniusesGroup/libgo@v0.0.0-20220929090155-5ff932cb408e/error/errors.go (about)

     1  /* For license and copyright information please see the LEGAL file in the code repository */
     2  
     3  package error
     4  
     5  import (
     6  	"github.com/GeniusesGroup/libgo/protocol"
     7  )
     8  
     9  // Errors store
    10  type Errors struct {
    11  	poolByID        map[protocol.MediaTypeID]protocol.Error
    12  	poolByMediaType map[string]protocol.Error
    13  }
    14  
    15  func (e *Errors) Init() {
    16  	e.poolByID = make(map[protocol.MediaTypeID]protocol.Error, 512)
    17  	e.poolByMediaType = make(map[string]protocol.Error, 512)
    18  }
    19  
    20  func (e *Errors) RegisterError(err protocol.Error) {
    21  	var errID = err.ID()
    22  
    23  	if errID == 0 {
    24  		// This condition will just be true in the dev phase.
    25  		panic("Error must have valid ID to save it in platform errors pools. Initialize inner e.MediaType.Init() first if use libgo/service package.")
    26  	}
    27  
    28  	if protocol.AppMode_Dev && e.poolByID[errID] != nil {
    29  		// This condition will just be true in the dev phase.
    30  		panic("Error id exist and used for other Error. Check it now for bad media-type set or collision occurred" +
    31  			"\nExiting error >> " + e.poolByID[errID].ToString() +
    32  			"\nNew error >> " + err.ToString())
    33  	}
    34  
    35  	e.poolByID[errID] = err
    36  	e.poolByMediaType[err.ToString()] = err
    37  }
    38  
    39  func (e *Errors) UnRegisterError(err protocol.Error) {
    40  	delete(e.poolByID, err.ID())
    41  	delete(e.poolByMediaType, err.ToString())
    42  }
    43  
    44  // GetErrorByID returns desire error if exist or ErrNotFound!
    45  func (e *Errors) GetErrorByID(id protocol.MediaTypeID) (err protocol.Error) {
    46  	if id == 0 {
    47  		return
    48  	}
    49  	var ok bool
    50  	err, ok = e.poolByID[id]
    51  	if !ok {
    52  		err = &ErrNotFound
    53  	}
    54  	return
    55  }
    56  
    57  // GetErrorByMediaType returns desire error if exist or ErrNotFound!
    58  func (e *Errors) GetErrorByMediaType(mt string) (err protocol.Error) {
    59  	var ok bool
    60  	err, ok = e.poolByMediaType[mt]
    61  	if !ok {
    62  		err = &ErrNotFound
    63  	}
    64  	return
    65  }