com.oracle.truffle.api

Interface TruffleLanguage.ContextThreadLocalFactory<C,T>

Enclosing class:

TruffleLanguage<C>

@FunctionalInterface
protected static interface TruffleLanguage.ContextThreadLocalFactory<C,T>

Context thread local factory for Truffle languages. Creates a new value per context and thread.

Since:

20.3

Method Summary

Modifier and Type	Method and Description
T	create(C context, Thread thread) Returns a new value for a context thread local for a language context and thread.

Method Detail

create

T create(C context,
         Thread thread)

Returns a new value for a context thread local for a language context and thread. The returned value must not be null and must return a stable and exact type per TruffleLanguage subclass. A thread local must always return the same class, even for multiple instances of the same TruffleLanguage. If this method throws an AbstractTruffleException the exception interop messages may be executed without a context being entered.

Since:

20.3

See Also:

TruffleLanguage.createContextThreadLocal(ContextThreadLocalFactory)