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example_test.go
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example_test.go
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package core_test
import (
"fmt"
"github.com/mattbaird/elastigo/core"
"strconv"
"time"
)
// The simplest usage of background bulk indexing
func ExampleBulkIndexor_simple() {
indexor := core.NewBulkIndexorErrors(10, 60)
done := make(chan bool)
indexor.Run(done)
indexor.Index("twitter", "user", "1", "", nil, `{"name":"bob"}`)
<-done // wait forever
}
// The simplest usage of background bulk indexing with error channel
func ExampleBulkIndexor_errorchannel() {
indexor := core.NewBulkIndexorErrors(10, 60)
done := make(chan bool)
indexor.Run(done)
go func() {
for errBuf := range indexor.ErrorChannel {
// just blissfully print errors forever
fmt.Println(errBuf.Err)
}
}()
for i := 0; i < 20; i++ {
indexor.Index("twitter", "user", strconv.Itoa(i), "", nil, `{"name":"bob"}`)
}
<-done
}
// The simplest usage of background bulk indexing with error channel
func ExampleBulkIndexor_errorsmarter() {
indexor := core.NewBulkIndexorErrors(10, 60)
done := make(chan bool)
indexor.Run(done)
errorCt := 0 // use sync.atomic or something if you need
timer := time.NewTicker(time.Minute * 3)
go func() {
for {
select {
case _ = <-timer.C:
if errorCt < 2 {
errorCt = 0
}
case _ = <-done:
return
}
}
}()
go func() {
for errBuf := range indexor.ErrorChannel {
errorCt++
fmt.Println(errBuf.Err)
// log to disk? db? ???? Panic
}
}()
for i := 0; i < 20; i++ {
indexor.Index("twitter", "user", strconv.Itoa(i), "", nil, `{"name":"bob"}`)
}
<-done
}
// The inspecting the response
func ExampleBulkIndexor_responses() {
indexor := core.NewBulkIndexor(10)
// Create a custom Sendor Func, to allow inspection of response/error
indexor.BulkSendor = func(buf *bytes.Buffer) error {
// @buf is the buffer of docs about to be written
respJson, err := api.DoCommand("POST", "/_bulk", buf)
if err != nil {
// handle it better than this
fmt.Println(string(respJson))
}
return err
}
done := make(chan bool)
indexor.Run(done)
for i := 0; i < 20; i++ {
indexor.Index("twitter", "user", strconv.Itoa(i), "", nil, `{"name":"bob"}`)
}
<-done
}