com.oracle.truffle.api.instrumentation

Interface TruffleInstrument.ContextThreadLocalFactory<T>

Enclosing class:

TruffleInstrument

@FunctionalInterface
protected static interface TruffleInstrument.ContextThreadLocalFactory<T>

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

Since:

20.3

Method Summary

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

Method Detail

create

T create(TruffleContext context,
         Thread thread)

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

Since:

20.3

See Also:

TruffleInstrument.createContextThreadLocal(ContextThreadLocalFactory)