/
config.go
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/
config.go
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// Copyright 2022 Linkall Inc.
//
// 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
//
// http://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 vsb
import (
// standard libraries.
"time"
// this project.
"github.com/vanus-labs/vanus/internal/store/block"
ioengine "github.com/vanus-labs/vanus/internal/store/io/engine"
"github.com/vanus-labs/vanus/internal/store/io/engine/psync"
"github.com/vanus-labs/vanus/internal/store/io/stream"
)
type config struct {
engine ioengine.Interface
flushBatchSize int // default: 16 * 1024
flushDelayTime time.Duration // default: 3 * time.Millisecond
callbackParallel int // default: 1
lis block.ArchivedListener
}
func (cfg *config) streamSchedulerOptions() (opts []stream.Option) {
if cfg.flushBatchSize != 0 {
opts = append(opts, stream.WithFlushBatchSize(cfg.flushBatchSize))
}
if cfg.flushDelayTime != 0 {
opts = append(opts, stream.WithFlushDelayTime(cfg.flushDelayTime))
}
if cfg.callbackParallel != 0 {
opts = append(opts, stream.WithCallbackParallel(cfg.callbackParallel))
}
return opts
}
func defaultConfig() config {
cfg := config{}
return cfg
}
type Option func(*config)
func makeConfig(opts ...Option) config {
cfg := defaultConfig()
for _, opt := range opts {
opt(&cfg)
}
if cfg.engine == nil {
cfg.engine = defaultIOEngine()
}
return cfg
}
func defaultIOEngine() ioengine.Interface {
return psync.New()
}
func WithIOEngine(engine ioengine.Interface) Option {
return func(cfg *config) {
cfg.engine = engine
}
}
func WithFlushBatchSize(size int) Option {
return func(cfg *config) {
cfg.flushBatchSize = size
}
}
func WithFlushDelayTime(d time.Duration) Option {
return func(cfg *config) {
cfg.flushDelayTime = d
}
}
func WithCallbackParallel(parallel int) Option {
return func(cfg *config) {
cfg.callbackParallel = parallel
}
}
func WithArchivedListener(lis block.ArchivedListener) Option {
return func(cfg *config) {
cfg.lis = lis
}
}