github.com/buth/gqlgen@v0.7.2/graphql/tracer.go (about)

     1  package graphql
     2  
     3  import (
     4  	"context"
     5  )
     6  
     7  var _ Tracer = (*NopTracer)(nil)
     8  
     9  type Tracer interface {
    10  	StartOperationParsing(ctx context.Context) context.Context
    11  	EndOperationParsing(ctx context.Context)
    12  	StartOperationValidation(ctx context.Context) context.Context
    13  	EndOperationValidation(ctx context.Context)
    14  	StartOperationExecution(ctx context.Context) context.Context
    15  	StartFieldExecution(ctx context.Context, field CollectedField) context.Context
    16  	StartFieldResolverExecution(ctx context.Context, rc *ResolverContext) context.Context
    17  	StartFieldChildExecution(ctx context.Context) context.Context
    18  	EndFieldExecution(ctx context.Context)
    19  	EndOperationExecution(ctx context.Context)
    20  }
    21  
    22  type NopTracer struct{}
    23  
    24  func (NopTracer) StartOperationParsing(ctx context.Context) context.Context {
    25  	return ctx
    26  }
    27  
    28  func (NopTracer) EndOperationParsing(ctx context.Context) {
    29  }
    30  
    31  func (NopTracer) StartOperationValidation(ctx context.Context) context.Context {
    32  	return ctx
    33  }
    34  
    35  func (NopTracer) EndOperationValidation(ctx context.Context) {
    36  }
    37  
    38  func (NopTracer) StartOperationExecution(ctx context.Context) context.Context {
    39  	return ctx
    40  }
    41  
    42  func (NopTracer) StartFieldExecution(ctx context.Context, field CollectedField) context.Context {
    43  	return ctx
    44  }
    45  
    46  func (NopTracer) StartFieldResolverExecution(ctx context.Context, rc *ResolverContext) context.Context {
    47  	return ctx
    48  }
    49  
    50  func (NopTracer) StartFieldChildExecution(ctx context.Context) context.Context {
    51  	return ctx
    52  }
    53  
    54  func (NopTracer) EndFieldExecution(ctx context.Context) {
    55  }
    56  
    57  func (NopTracer) EndOperationExecution(ctx context.Context) {
    58  }