delight.nashornsandbox

Interface SecuredJsCache

public interface SecuredJsCache

A cache used to store pre-processed javascript strings, which can be used to share these among different NashornSandboxes. The interface provides a facility to implement concurrent caches, but the actual thread safety is at the implementor's discretion.

Method Summary

Modifier and Type	Method and Description
String	getOrCreate(String js, boolean allowNoBraces, Supplier<String> producer) Gets a value from the cache and tries to create it if it couldn't be found.

Method Detail

getOrCreate

String getOrCreate(String js,
                   boolean allowNoBraces,
                   Supplier<String> producer)

Gets a value from the cache and tries to create it if it couldn't be found.

Parameters:

js - the raw javascript code

allowNoBraces - whether missing braces are allowed.

producer - if no cached value could be found, this is used to create the value

Returns:

the cached or created value, or null if it could be neither found in the cache nor created.