net.openhft.chronicle.map

Interface ReturnValue<V>

Type Parameters:

V - the type of values in the ChronicleMap

public interface ReturnValue<V>

Abstracts returning a value from a query to a ChronicleMap, used in MapMethods. This interface is not supposed to be implemented in user code.

Method Summary

Modifier and Type	Method and Description
void	returnValue(Data<V> value) Calling this method on a ReturnValue object, provided as an argument in a method from MapMethods, designates that the ChronicleMap's method (backed by this MapMethods's method) should return the given value.

Method Detail

returnValue

void returnValue(@NotNull
                 Data<V> value)

Calling this method on a ReturnValue object, provided as an argument in a method from MapMethods, designates that the ChronicleMap's method (backed by this MapMethods's method) should return the given value.

It is not allowed to call returnValue() twice during a single MapMethods's method call.

Not calling returnValue() during MapMethods's method call will make the backed ChronicleMap's method to return null.

Parameters:

value - a Data object wrapping a value, which should be returned from a ChronicleMap's method, backed by the MapMethods's method, to which this ReturnValue instance was passed as an argument