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45 lines
594 B
45 lines
594 B
package core
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import (
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"sync"
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)
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// Commander is a feature that accepts commands from external source.
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type Commander interface {
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Feature
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}
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type syncCommander struct {
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sync.RWMutex
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Commander
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}
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func (c *syncCommander) Start() error {
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c.RLock()
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defer c.RUnlock()
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if c.Commander == nil {
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return nil
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}
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return c.Commander.Start()
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}
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func (c *syncCommander) Close() error {
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c.RLock()
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defer c.RUnlock()
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if c.Commander == nil {
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return nil
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}
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return c.Commander.Close()
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}
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func (c *syncCommander) Set(commander Commander) {
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c.Lock()
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defer c.Unlock()
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c.Commander = commander
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}
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