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45 lines
690 B
45 lines
690 B
11 years ago
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package mightypork.util.constraints;
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11 years ago
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/**
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* Constraint cache
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*
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* @author MightyPork
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* @param <C> constraint type
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*/
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public interface ConstraintCache<C> extends Pollable {
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/**
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* Called after the cache has changed value (and digest).
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*/
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void onChange();
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/**
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* @return the cached value
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*/
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C getCacheSource();
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/**
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* Enable caching & digest caching
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*
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* @param yes enable caching
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*/
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void enableCaching(boolean yes);
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/**
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* @return true if caching is on
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*/
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boolean isCachingEnabled();
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/**
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* Update cached value and cached digest (if digest caching is enabled).<br>
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* source constraint is polled beforehand.
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*/
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@Override
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void poll();
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}
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