Callback that is provided by the application to provide a custom variable.
Public Method Summary
abstract String |
getValue(Map<String, Object>
parameters)
getValue(Map) is given a map of named parameters (the map may
contain String, Double, Boolean, Map, or List values).
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Public Methods
public abstract String getValue (Map<String, Object> parameters)
getValue(Map)
is given a map of named parameters (the map may contain
String, Double, Boolean, Map, or List values). It should return a String which is the
calculated value of the variable.
This function will be called from a background thread during event processing. The container will cache one instance of this object and reuse it.
Returns
- the value of the custom variable requested