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23 lines
739 B
Crystal
23 lines
739 B
Crystal
require "./cacheable_item"
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module Invidious::Cache
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# Abstract class from which any cached element should inherit
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# Note: class is used here, instead of a module, in order to benefit
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# from various compiler checks (e.g methods must be implemented)
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abstract class ItemStore
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# Retrieves an item from the store
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# Returns nil if item wasn't found or is expired
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abstract def fetch(key : String)
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# Stores a given item into cache
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abstract def store(key : String, value : String, expires : Time::Span)
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# Prematurely deletes item(s) from the cache
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abstract def delete(key : String)
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abstract def delete(keys : Array(String))
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# Removes all the items stored in the cache
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abstract def clear
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end
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end
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