72 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package task
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import (
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	"fmt"
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	"git.huangwc.com/pig/pig-farm-controller/internal/domain/device"
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	"git.huangwc.com/pig/pig-farm-controller/internal/domain/plan"
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	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
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	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
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	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
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)
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type taskFactory struct {
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	logger         *logs.Logger
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	sensorDataRepo repository.SensorDataRepository
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	deviceRepo     repository.DeviceRepository
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	deviceService  device.Service
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}
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func NewTaskFactory(
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	logger *logs.Logger,
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	sensorDataRepo repository.SensorDataRepository,
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	deviceRepo repository.DeviceRepository,
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	deviceService device.Service,
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) plan.TaskFactory {
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	return &taskFactory{
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		logger:         logger,
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		sensorDataRepo: sensorDataRepo,
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		deviceRepo:     deviceRepo,
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		deviceService:  deviceService,
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	}
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}
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func (t *taskFactory) Production(claimedLog *models.TaskExecutionLog) plan.Task {
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	switch claimedLog.Task.Type {
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	case models.TaskTypeWaiting:
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		return NewDelayTask(t.logger, claimedLog)
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	case models.TaskTypeReleaseFeedWeight:
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		return NewReleaseFeedWeightTask(claimedLog, t.sensorDataRepo, t.deviceRepo, t.deviceService, t.logger)
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	case models.TaskTypeFullCollection:
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		return NewFullCollectionTask(claimedLog, t.deviceRepo, t.deviceService, t.logger)
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	default:
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		// TODO 这里直接panic合适吗? 不过这个场景确实不该出现任何异常的任务类型
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		t.logger.Panicf("不支持的任务类型: %s", claimedLog.Task.Type)
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		panic("不支持的任务类型") // 显式panic防编译器报错
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	}
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}
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// CreateTaskFromModel 实现了 TaskFactory 接口,用于从模型创建任务实例。
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func (t *taskFactory) CreateTaskFromModel(taskModel *models.Task) (plan.TaskDeviceIDResolver, error) {
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	// 这个方法不关心 claimedLog 的其他字段,所以可以构造一个临时的
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	// 它只用于访问那些不依赖于执行日志的方法,比如 ResolveDeviceIDs
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	tempLog := &models.TaskExecutionLog{Task: *taskModel}
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	switch taskModel.Type {
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	case models.TaskTypeWaiting:
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		return NewDelayTask(t.logger, tempLog), nil
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	case models.TaskTypeReleaseFeedWeight:
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		return NewReleaseFeedWeightTask(
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			tempLog,
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			t.sensorDataRepo,
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			t.deviceRepo,
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			t.deviceService,
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			t.logger,
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		), nil
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	case models.TaskTypeFullCollection:
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		return NewFullCollectionTask(tempLog, t.deviceRepo, t.deviceService, t.logger), nil
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	default:
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		return nil, fmt.Errorf("不支持为类型 '%s' 的任务创建模型实例", taskModel.Type)
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	}
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}
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