ExpressionMappingElement

java.lang.Object

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

All Implemented Interfaces:: MappingElement

public class ExpressionMappingElement extends Object implements MappingElement

Method Summary

Modifier and Type

Method

Description

void

shutdown()

Optional<QualifiedValue>

startup(Consumer<QualifiedValue> listener)

Start up the mapping element.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- startup
  
  public Optional<QualifiedValue> startup(Consumer<QualifiedValue> listener)
  
  Description copied from interface: MappingElement
  
  Start up the mapping element.
  
  Specified by:
  
  startup in interface MappingElement
  
  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
  
  public void shutdown()
  
  Specified by:
  
  shutdown in interface MappingElement