github.com/dirkm/go-swagger@v0.19.0/examples/stream-server/biz/count.go (about)

     1  package biz
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"io"
     7  	"time"
     8  
     9  	"github.com/go-swagger/go-swagger/examples/stream-server/models"
    10  )
    11  
    12  // MyCounter is the concrete implementation
    13  type MyCounter struct{}
    14  
    15  // Down is the concrete implementation that spits out the JSON bodies
    16  func (mc *MyCounter) Down(max int64, w io.Writer) error {
    17  	if max == 11 {
    18  		return fmt.Errorf("we don't *do* elevensies")
    19  	}
    20  	e := json.NewEncoder(w)
    21  	for ix := int64(0); ix <= max; ix++ {
    22  		r := max - ix
    23  		fmt.Printf("Iteration %d\n", r)
    24  		_ = e.Encode(models.Mark{Remains: &r})
    25  		if ix != max {
    26  			time.Sleep(1 * time.Second)
    27  		}
    28  	}
    29  	return nil
    30  }