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45 lines
1.1 KiB
45 lines
1.1 KiB
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gredis
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import (
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"context"
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"github.com/gogf/gf/v2/container/gmap"
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"github.com/gogf/gf/v2/internal/intlog"
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)
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var (
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// localInstances for instance management of redis client.
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localInstances = gmap.NewStrAnyMap(true)
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)
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// Instance returns an instance of redis client with specified group.
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// The `name` param is unnecessary, if `name` is not passed,
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// it returns a redis instance with default configuration group.
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func Instance(name ...string) *Redis {
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group := DefaultGroupName
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if len(name) > 0 && name[0] != "" {
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group = name[0]
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}
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v := localInstances.GetOrSetFuncLock(group, func() interface{} {
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if config, ok := GetConfig(group); ok {
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r, err := New(config)
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if err != nil {
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intlog.Errorf(context.TODO(), `%+v`, err)
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return nil
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}
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return r
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}
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return nil
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})
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if v != nil {
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return v.(*Redis)
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}
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return nil
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}
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