76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package statevariables
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import (
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"sync"
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"time"
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"github.com/beevik/etree"
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)
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type StateVarInstance struct {
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model *StateVariable
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value interface{}
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previousValue interface{}
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lastChange time.Time
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lastEvent time.Time
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mu sync.RWMutex
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}
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func (instance *StateVarInstance) Cast(val interface{}) (interface{}, error) {
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return instance.model.Cast(val)
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}
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func (instance *StateVarInstance) Model() *StateVariable {
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return instance.model
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}
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func (instance *StateVarInstance) Value() interface{} {
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instance.mu.RLock()
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defer instance.mu.RUnlock()
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return instance.value
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}
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func (instance *StateVarInstance) SetValue(val interface{}) error {
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cval, err := instance.Cast(val)
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if err != nil {
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return err
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}
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instance.mu.Lock()
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defer instance.mu.Unlock()
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instance.previousValue = instance.value
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instance.value = cval
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return nil
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}
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func (instance *StateVarInstance) Incr() {
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instance.mu.Lock()
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defer instance.mu.Unlock()
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}
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// ShouldTriggerEvent vérifie toutes les conditions
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func (instance *StateVarInstance) ShouldTriggerEvent() bool {
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for _, condition := range instance.model.eventConditions {
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if !condition(instance) {
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return false
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}
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}
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return true
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}
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func (sv *StateVarInstance) GenerateEvent() *etree.Element {
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// Construire le XML d'événement
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propSet := etree.NewElement("e:propertyset")
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propSet.CreateAttr("xmlns:e", "urn:schemas-upnp-org:event-1-0")
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prop := propSet.CreateElement("e:property")
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elem := prop.CreateElement(sv.model.Name())
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elem.SetText(sv.model.valueToString(sv.Value()))
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return propSet
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}
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