35 lines
903 B
Go
35 lines
903 B
Go
package hubmodule
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import "time"
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// StrategyOptions 描述来自 Hub Config 的 override。
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type StrategyOptions struct {
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TTLOverride time.Duration
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ValidationOverride ValidationMode
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}
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// ResolveStrategy 将模块的默认策略与 hub 级覆盖合并。
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func ResolveStrategy(meta ModuleMetadata, opts StrategyOptions) CacheStrategyProfile {
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strategy := meta.CacheStrategy
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if strategy.TTLHint > 0 && opts.TTLOverride > 0 {
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strategy.TTLHint = opts.TTLOverride
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}
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if opts.ValidationOverride != "" {
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strategy.ValidationMode = opts.ValidationOverride
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}
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return normalizeStrategy(strategy)
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}
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func normalizeStrategy(profile CacheStrategyProfile) CacheStrategyProfile {
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if profile.TTLHint < 0 {
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profile.TTLHint = 0
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}
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if profile.ValidationMode == "" {
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profile.ValidationMode = ValidationModeETag
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}
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if profile.DiskLayout == "" {
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profile.DiskLayout = "raw_path"
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}
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return profile
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}
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