121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// 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 orm
|
|
|
|
import (
|
|
"sync"
|
|
)
|
|
|
|
const (
|
|
odCascade = "cascade"
|
|
odSetNULL = "set_null"
|
|
odSetDefault = "set_default"
|
|
odDoNothing = "do_nothing"
|
|
defaultStructTagName = "orm"
|
|
defaultStructTagDelim = ";"
|
|
)
|
|
|
|
var (
|
|
modelCache = &_modelCache{
|
|
cache: make(map[string]*modelInfo),
|
|
cacheByFN: make(map[string]*modelInfo),
|
|
}
|
|
supportTag = map[string]int{
|
|
"-": 1,
|
|
"null": 1,
|
|
"index": 1,
|
|
"unique": 1,
|
|
"pk": 1,
|
|
"auto": 1,
|
|
"auto_now": 1,
|
|
"auto_now_add": 1,
|
|
"size": 2,
|
|
"column": 2,
|
|
"default": 2,
|
|
"rel": 2,
|
|
"reverse": 2,
|
|
"rel_table": 2,
|
|
"rel_through": 2,
|
|
"digits": 2,
|
|
"decimals": 2,
|
|
"on_delete": 2,
|
|
"type": 2,
|
|
}
|
|
)
|
|
|
|
// model info collection
|
|
type _modelCache struct {
|
|
sync.RWMutex
|
|
orders []string
|
|
cache map[string]*modelInfo
|
|
cacheByFN map[string]*modelInfo
|
|
done bool
|
|
}
|
|
|
|
// get all model info
|
|
func (mc *_modelCache) all() map[string]*modelInfo {
|
|
m := make(map[string]*modelInfo, len(mc.cache))
|
|
for k, v := range mc.cache {
|
|
m[k] = v
|
|
}
|
|
return m
|
|
}
|
|
|
|
// get orderd model info
|
|
func (mc *_modelCache) allOrdered() []*modelInfo {
|
|
m := make([]*modelInfo, 0, len(mc.orders))
|
|
for _, table := range mc.orders {
|
|
m = append(m, mc.cache[table])
|
|
}
|
|
return m
|
|
}
|
|
|
|
// get model info by table name
|
|
func (mc *_modelCache) get(table string) (mi *modelInfo, ok bool) {
|
|
mi, ok = mc.cache[table]
|
|
return
|
|
}
|
|
|
|
// get model info by field name
|
|
func (mc *_modelCache) getByFN(name string) (mi *modelInfo, ok bool) {
|
|
mi, ok = mc.cacheByFN[name]
|
|
return
|
|
}
|
|
|
|
// set model info to collection
|
|
func (mc *_modelCache) set(table string, mi *modelInfo) *modelInfo {
|
|
mii := mc.cache[table]
|
|
mc.cache[table] = mi
|
|
mc.cacheByFN[mi.fullName] = mi
|
|
if mii == nil {
|
|
mc.orders = append(mc.orders, table)
|
|
}
|
|
return mii
|
|
}
|
|
|
|
// clean all model info.
|
|
func (mc *_modelCache) clean() {
|
|
mc.orders = make([]string, 0)
|
|
mc.cache = make(map[string]*modelInfo)
|
|
mc.cacheByFN = make(map[string]*modelInfo)
|
|
mc.done = false
|
|
}
|
|
|
|
// ResetModelCache Clean model cache. Then you can re-RegisterModel.
|
|
// Common use this api for test case.
|
|
func ResetModelCache() {
|
|
modelCache.clean()
|
|
}
|