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builder.go
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builder.go
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// Copyright 2022 Guan Jianchang. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package odb
import "github.com/yxlib/yx"
type builder struct {
logger *yx.Logger
}
var Builder = &builder{
logger: yx.NewLogger("odb.Builder"),
}
func (b *builder) Build(dc *DataCenter, cfg *Config) {
var err error = nil
for _, storageCfg := range cfg.Storages {
// cache
var cd *CacheDriver = nil
cacheCfg := storageCfg.Cache
if cacheCfg != nil {
cd = NewCacheDriver()
err = cd.Open(cacheCfg.Addr, cacheCfg.Pwd, cacheCfg.Db)
if err != nil {
b.logger.E("open cache ", cacheCfg.Tag, "err: ", err)
continue
}
dc.AddCacheDriver(cacheCfg.Tag, cd)
}
// db
var dd *DbDriver = nil
dbCfg := storageCfg.Db
if dbCfg != nil {
dd = NewDbDriver(RowObjFactory)
err = dd.Open(dbCfg.Acc, dbCfg.Pwd, dbCfg.Addr, dbCfg.DbName, dbCfg.Charset)
if err != nil {
b.logger.E("open db ", dbCfg.Tag, " err: ", err)
continue
}
dc.AddDbDriver(dbCfg.Tag, dd)
}
// workers
for _, workerCfg := range storageCfg.Workers {
b.logger.I("=====> Init Data Worker [[", workerCfg.TableName, ".", workerCfg.Tag, "]] ...")
dw := NewDataWorker(cd, workerCfg.CacheKey, dd, workerCfg.TableName)
err = dw.Init(workerCfg.RowObj, workerCfg.InsertTag, workerCfg.SelectTag, workerCfg.SelectKeyTag, workerCfg.UpdateTag, workerCfg.UpdateKeyTag)
if err != nil {
b.logger.E("init data worker ", workerCfg.TableName, ".", workerCfg.Tag, " err: ", err)
b.logger.I("=====> Failed")
continue
}
if workerCfg.IsOpenAutoSave {
dw.OpenAutoSave()
}
if dw.HasCache() || dw.HasDb() {
dc.AddWorker(workerCfg.Tag, dw)
}
b.logger.I("=====> Success")
}
}
}