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gitea/modules/queue/helper.go
zeripath c01221e70f
Queue: Make WorkerPools and Queues flushable (#10001)
* Make WorkerPools and Queues flushable

Adds Flush methods to Queues and the WorkerPool
Further abstracts the WorkerPool
Adds a final step to Flush the queues in the defer from PrintCurrentTest
Fixes an issue with Settings inheritance in queues

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Change to for loop

* Add IsEmpty and begin just making the queues composed WorkerPools

* subsume workerpool into the queues and create a flushable interface

* Add manager command

* Move flushall to queue.Manager and add to testlogger

* As per @guillep2k

* as per @guillep2k

* Just make queues all implement flushable and clean up the wrapped queue flushes

* cope with no timeout

Co-authored-by: Lauris BH <lauris@nix.lv>
2020-01-28 20:01:06 -05:00

63 lines
1.8 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package queue
import (
"encoding/json"
"reflect"
)
// toConfig will attempt to convert a given configuration cfg into the provided exemplar type.
//
// It will tolerate the cfg being passed as a []byte or string of a json representation of the
// exemplar or the correct type of the exemplar itself
func toConfig(exemplar, cfg interface{}) (interface{}, error) {
if reflect.TypeOf(cfg).AssignableTo(reflect.TypeOf(exemplar)) {
return cfg, nil
}
configBytes, ok := cfg.([]byte)
if !ok {
configStr, ok := cfg.(string)
if !ok {
return nil, ErrInvalidConfiguration{cfg: cfg}
}
configBytes = []byte(configStr)
}
newVal := reflect.New(reflect.TypeOf(exemplar))
if err := json.Unmarshal(configBytes, newVal.Interface()); err != nil {
return nil, ErrInvalidConfiguration{cfg: cfg, err: err}
}
return newVal.Elem().Interface(), nil
}
// unmarshalAs will attempt to unmarshal provided bytes as the provided exemplar
func unmarshalAs(bs []byte, exemplar interface{}) (data Data, err error) {
if exemplar != nil {
t := reflect.TypeOf(exemplar)
n := reflect.New(t)
ne := n.Elem()
err = json.Unmarshal(bs, ne.Addr().Interface())
data = ne.Interface().(Data)
} else {
err = json.Unmarshal(bs, &data)
}
return
}
// assignableTo will check if provided data is assignable to the same type as the exemplar
// if the provided exemplar is nil then it will always return true
func assignableTo(data Data, exemplar interface{}) bool {
if exemplar == nil {
return true
}
// Assert data is of same type as exemplar
t := reflect.TypeOf(data)
exemplarType := reflect.TypeOf(exemplar)
return t.AssignableTo(exemplarType) && data != nil
}