/
retry.go
81 lines (70 loc) · 1.73 KB
/
retry.go
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//
// Copyright (C) 2019-2020 Vdaas.org Vald team ( kpango, rinx, kmrmt )
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package retry
import (
"reflect"
"github.com/vdaas/vald/internal/errors"
)
type Retry interface {
Out(
fn func(vals ...interface{}) error,
vals ...interface{},
)
Outf(
fn func(format string, vals ...interface{}) error,
format string, vals ...interface{},
)
}
type retry struct {
warnFn func(vals ...interface{})
errorFn func(vals ...interface{})
}
func New(opts ...Option) Retry {
r := new(retry)
for _, opt := range append(defaultOption, opts...) {
opt(r)
}
return r
}
func (r *retry) Out(
fn func(vals ...interface{}) error,
vals ...interface{},
) {
if fn != nil {
r.Outf(func(format string, vals ...interface{}) error {
return fn(vals...)
}, "", vals...)
}
}
func (r *retry) Outf(
fn func(format string, vals ...interface{}) error,
format string, vals ...interface{},
) {
if fn != nil {
if err := fn(format, vals...); err != nil {
rv := reflect.ValueOf(fn)
r.warnFn(errors.ErrLoggingRetry(err, rv))
err = fn(format, vals...)
if err != nil {
r.errorFn(errors.ErrLoggingFailed(err, rv))
err = fn(format, vals...)
if err != nil {
panic(err)
}
}
}
}
}