com.prosysopc.ua.server.nodes

Interface UaVariableCallback

All Known Implementing Classes:

ReflectionCallback

public interface UaVariableCallback

A variable implementation that accesses an external value via callback methods.

Method Summary

Modifier and Type	Method and Description
Object	getValue()
boolean	setValue(Object newValue)

Method Detail

getValue

Object getValue()
         throws StatusException

Returns:

the current value of the variable.

Throws:

StatusException - if the value is not available. Set the StatusCode to what should be provided.

setValue

boolean setValue(Object newValue)
          throws StatusException

Parameters:

newValue - the new value to set for the variable.

Returns:

true if the value was changed

Throws:

StatusException - if the value cannot or may not be written