102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
package eventbus
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import (
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"context"
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"time"
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)
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// EventType 事件类型
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type EventType string
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const (
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// 生产事件
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EventLoad EventType = "LOAD"
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EventUnload EventType = "UNLOAD"
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EventExchange EventType = "EXCHANGE"
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EventScan EventType = "SCAN"
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EventMark EventType = "MARK"
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EventReplenish EventType = "REPLENISH"
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EventMachineStart EventType = "MACHINE_START"
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EventMachineDone EventType = "MACHINE_DONE"
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EventInspectionResult EventType = "INSPECTION_RESULT"
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EventJobCompleted EventType = "JOB_COMPLETED"
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EventJobScrapped EventType = "JOB_SCRAPPED"
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EventJobDischarged EventType = "JOB_DISCHARGED"
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// 工单生命周期事件
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EventOrderStarted EventType = "ORDER_STARTED"
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EventOrderPaused EventType = "ORDER_PAUSED"
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EventOrderResumed EventType = "ORDER_RESUMED"
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EventOrderCancelled EventType = "ORDER_CANCELLED"
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EventOrderCompleted EventType = "ORDER_COMPLETED"
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// 托盘生命周期事件
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EventPalletCompleted EventType = "PALLET_COMPLETED"
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// MOM 对接事件
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EventMomReportSuccess EventType = "MOM_REPORT_SUCCESS"
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EventMomReportFailure EventType = "MOM_REPORT_FAILURE"
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EventMomAgvRequest EventType = "MOM_AGV_ENTRY_REQUESTED"
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EventTempSlotChanged EventType = "TEMP_SLOT_CHANGED"
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// 报警事件
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EventAlarmRaised EventType = "ALARM_RAISED"
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EventAlarmAcked EventType = "ALARM_ACKED"
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// 人工交互事件
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EventManualActionCreated EventType = "MANUAL_ACTION_CREATED"
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EventManualActionResolved EventType = "MANUAL_ACTION_RESOLVED"
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// 设备事件
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EventEquipmentAvailabilityChanged EventType = "EQUIPMENT_AVAILABILITY_CHANGED"
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// 连接状态事件
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EventConnectionStatusUpdated EventType = "CONNECTION_STATUS_UPDATED"
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EventAll EventType = "*"
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)
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// EntityType 实体类型
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type EntityType string
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const (
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EntityJob EntityType = "job"
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EntityTempSlot EntityType = "temp_slot"
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)
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// Event 事件
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type Event struct {
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ID string `json:"id"`
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Type EventType `json:"type"`
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Source string `json:"source"`
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EntityType string `json:"entityType,omitempty"`
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EntityID string `json:"entityId,omitempty"`
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EntityVersion int64 `json:"entityVersion,omitempty"`
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Timestamp time.Time `json:"timestamp"`
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Payload map[string]any `json:"payload"`
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}
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// EventHandler 事件处理器
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type EventHandler func(ctx context.Context, event Event) error
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// Subscription 事件订阅
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type Subscription interface {
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Unsubscribe()
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}
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// Bus 事件总线接口
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type Bus interface {
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Publish(ctx context.Context, event Event) error
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Subscribe(eventType EventType, handler EventHandler) Subscription
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SubscribeAll(handler EventHandler) Subscription
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Start(ctx context.Context) error
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Stop() error
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Close() error
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}
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type handlerEntry struct {
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id uint64
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handler EventHandler
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}
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