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goodBaby/handler/runner/interface.go
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package runner
import (
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"context"
"fmt"
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"sort"
"sync"
"github.com/ssdomei232/goodBaby/model"
)
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// RuleExecutor 规则执行器接口。
//
// 执行一条规则需要的一切(规则本体、账号凭据)都由上层组装成 model.RuleTask,
// driver 只负责把动作做出去:不查数据库、不写日志,因此每个实现都能单独测试。
type RuleExecutor interface {
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// Execute 执行规则,ctx 决定了重试的最长时间
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Execute(ctx context.Context, task *model.RuleTask) error
// GetType 获取执行器支持的规则类型
GetType() string
}
// ExecutorRegistry 执行器注册表
type ExecutorRegistry struct {
executors map[string]RuleExecutor
}
// NewExecutorRegistry 创建新的执行器注册表
func NewExecutorRegistry() *ExecutorRegistry {
return &ExecutorRegistry{
executors: make(map[string]RuleExecutor),
}
}
// Register 注册规则执行器
func (er *ExecutorRegistry) Register(executor RuleExecutor) {
er.executors[executor.GetType()] = executor
}
// Execute 根据规则类型执行规则
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func (er *ExecutorRegistry) Execute(ctx context.Context, task *model.RuleTask) error {
executor, exists := er.executors[task.Rule.Type]
if !exists {
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return fmt.Errorf("不支持的规则类型: %s", task.Rule.Type)
}
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return executor.Execute(ctx, task)
}
// GetSupportedTypes 获取所有支持的规则类型
func (er *ExecutorRegistry) GetSupportedTypes() []string {
types := make([]string, 0, len(er.executors))
for t := range er.executors {
types = append(types, t)
}
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sort.Strings(types)
return types
}
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var (
registryOnce sync.Once
globalExecutorRegistry *ExecutorRegistry
)
// GetGlobalExecutorRegistry 获取全局执行器注册表
func GetGlobalExecutorRegistry() *ExecutorRegistry {
if globalExecutorRegistry == nil {
panic("执行器注册表未初始化,请先调用 InitExecutorRegistry()")
}
return globalExecutorRegistry
}