Package io.vertx.core.spi.context.storage

Interface AccessMode

public interface AccessMode

Defines the access mode of a context local storage.

Field Summary

Fields

Modifier and Type	Field	Description
static AccessMode	CONCURRENT	This access mode provides concurrent access to context local storage with thread safety and atomicity.

Method Summary

Modifier and Type	Method	Description
Object	get(Object[] locals, int idx)	Return the object at index idx in the locals array.
Object	getOrCreate(Object[] locals, int idx, Supplier<Object> initialValueSupplier)	Get or create the object at index index in the locals array.
void	put(Object[] locals, int idx, Object value)	Put value in the locals array at index idx

Field Detail

CONCURRENT

static final AccessMode CONCURRENT

This access mode provides concurrent access to context local storage with thread safety and atomicity.

Method Detail

get

Object get(Object[] locals,
           int idx)

Return the object at index idx in the locals array.

Parameters:

locals - the array

idx - the index

Returns:

the object at index

put

void put(Object[] locals,
         int idx,
         Object value)

Put value in the locals array at index idx

Parameters:

locals - the array

idx - the index

value - the value

getOrCreate

Object getOrCreate(Object[] locals,
                   int idx,
                   Supplier<Object> initialValueSupplier)

Get or create the object at index index in the locals array. When the object does not exist, initialValueSupplier must be called to obtain this value.

Parameters:

locals - the array

idx - the index

initialValueSupplier - the supplier of the initial value