com.oracle.truffle.api.instrumentation

Interface TruffleInstrument.ContextLocalFactory<T>

Enclosing class:

TruffleInstrument

@FunctionalInterface
protected static interface TruffleInstrument.ContextLocalFactory<T>

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

Since:

20.3

Method Summary

Modifier and Type	Method and Description
T	create(TruffleContext context) Returns a new value for a context local of an instrument.

Method Detail

create

T create(TruffleContext context)

Returns a new value for a context local of an instrument. 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.createContextLocal(ContextLocalFactory)