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50 lines
959 B
Go
50 lines
959 B
Go
package cache
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import "time"
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const (
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defaultExpiry = time.Hour * 24 * 7
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defaultNotFoundExpiry = time.Minute
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)
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type (
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// An Options is used to store the cache options.
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Options struct {
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Expiry time.Duration
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NotFoundExpiry time.Duration
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}
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// Option defines the method to customize an Options.
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Option func(o *Options)
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)
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func newOptions(opts ...Option) Options {
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var o Options
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for _, opt := range opts {
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opt(&o)
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}
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if o.Expiry <= 0 {
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o.Expiry = defaultExpiry
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}
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if o.NotFoundExpiry <= 0 {
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o.NotFoundExpiry = defaultNotFoundExpiry
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}
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return o
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}
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// WithExpiry returns a func to customize a Options with given expiry.
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func WithExpiry(expiry time.Duration) Option {
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return func(o *Options) {
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o.Expiry = expiry
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}
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}
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// WithNotFoundExpiry returns a func to customize a Options with given not found expiry.
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func WithNotFoundExpiry(expiry time.Duration) Option {
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return func(o *Options) {
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o.NotFoundExpiry = expiry
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}
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}
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