0c370e9353
Reduce the domain outbox surface to the shared retry/backoff contract that is actually consumed by the runtime layer. Also make batch compensation processing pick up retrying records explicitly and cover that path with tests.
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package domain
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// ==================== P0-06 Outbox共享重试策略 ====================
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// DefaultMaxRetries 默认最大重试次数
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const DefaultMaxRetries = 5
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// DefaultInitialBackoffSeconds 默认初始退避时间（秒）
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const DefaultInitialBackoffSeconds = 1
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// DefaultMaxBackoffSeconds 默认最大退避时间（秒）
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const DefaultMaxBackoffSeconds = 60
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// DefaultOutboxBatchSize 默认批量处理大小
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const DefaultOutboxBatchSize = 100
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// OutboxRetryConfig Outbox重试配置
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type OutboxRetryConfig struct {
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MaxRetries int
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InitialBackoffSeconds int
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MaxBackoffSeconds int
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BatchSize int
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}
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// DefaultOutboxRetryConfig 默认重试配置
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func DefaultOutboxRetryConfig() OutboxRetryConfig {
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return OutboxRetryConfig{
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MaxRetries: DefaultMaxRetries,
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InitialBackoffSeconds: DefaultInitialBackoffSeconds,
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MaxBackoffSeconds: DefaultMaxBackoffSeconds,
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BatchSize: DefaultOutboxBatchSize,
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}
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}
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// CalculateOutboxBackoff 计算指数退避时间
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func CalculateOutboxBackoff(retryCount, maxRetries int) int {
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_ = maxRetries
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if retryCount <= 0 {
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retryCount = 1
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}
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backoff := DefaultInitialBackoffSeconds
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for attempt := 1; attempt < retryCount; attempt++ {
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if backoff >= DefaultMaxBackoffSeconds {
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return DefaultMaxBackoffSeconds
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}
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if backoff > DefaultMaxBackoffSeconds/2 {
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return DefaultMaxBackoffSeconds
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}
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backoff *= 2
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}
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return backoff
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}
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