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gredis_instance.go
36 lines (32 loc) · 936 Bytes
/
gredis_instance.go
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// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gredis
import "github.com/gogf/gf/container/gmap"
var (
// Instance map
instances = gmap.NewStrAnyMap(true)
)
// Instance returns an instance of redis client with specified group.
// The <name> param is unnecessary, if <name> is not passed,
// it returns a redis instance with default configuration group.
func Instance(name ...string) *Redis {
group := DEFAULT_GROUP_NAME
if len(name) > 0 && name[0] != "" {
group = name[0]
}
v := instances.GetOrSetFuncLock(group, func() interface{} {
if config, ok := GetConfig(group); ok {
r := New(config)
r.group = group
return r
}
return nil
})
if v != nil {
return v.(*Redis)
}
return nil
}