Package com.inductiveautomation.perspective.gateway.binding.transforms.map

Interface MappingElement

All Known Implementing Classes:

ExpressionMappingElement, StaticValueMappingElement

public interface MappingElement

Method Summary

Modifier and Type	Method	Description
void	shutdown()
Optional<QualifiedValue>	startup(Consumer<QualifiedValue> listener)	Start up the mapping element.

Method Details

startup

Optional<QualifiedValue> startup(Consumer<QualifiedValue> listener)

Start up the mapping element.

Parameters:

listener - If this mapping element's value changes in the future, it will invoke this listener.

Returns:

An optional qualified value that represents the initial value of the element if it is available synchronously during startup. An element that returns a non-empty value here may never invoke the listener.

shutdown

void shutdown()