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32 lines
779 B
Go
32 lines
779 B
Go
// Copyright 2017 gf Author(https://github.com/gogf/gf). 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 gres
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import "github.com/gogf/gf/container/gmap"
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const (
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// Default group name for instance usage.
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DEFAULT_NAME = "default"
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)
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var (
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// Instances map.
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instances = gmap.NewStrAnyMap(true)
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)
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// Instance returns an instance of Resource.
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// The parameter <name> is the name for the instance.
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func Instance(name ...string) *Resource {
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key := DEFAULT_NAME
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if len(name) > 0 && name[0] != "" {
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key = name[0]
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}
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return instances.GetOrSetFuncLock(key, func() interface{} {
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return New()
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}).(*Resource)
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}
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