Interface IQueryCacheContext


  • public interface IQueryCacheContext
    Provides information on already cached queries to query evaluator backends at runtime.
    • Method Detail

      • isResultCached

        boolean isResultCached​(PQuery query)
        Checks if there already is a caching result provider for the given query.

        Returns false if called while the caching result provider of the given query is being constructed in the first place.

      • getCachingResultProvider

        IQueryResultProvider getCachingResultProvider​(PQuery query)
        Returns a caching result provider for the given query; it must be constructed if it does not exist yet.

        Caution: behavior undefined if called while the caching result provider of the given query is being constructed. Beware of infinite loops.

        Postcondition: IQueryBackend.isCaching() returns true for the #getQueryBackend() of the returned provider

        Throws:
        ViatraQueryRuntimeException