Apama
10.3.1
|
Apama Documentation
|
Introduction to Apama
|
Apama Glossary
|
optional
optional
An
optional
is a value that contains either a value (of some EPL type), or is empty and thus has no value. This is useful for mapping to
null
values in other languages such as Java, or for data which may not be present in some circumstances.
Copyright ©
2013
-2019
| Software AG, Darmstadt, Germany and/or Software AG USA, Inc., Reston, VA, USA, and/or its subsidiaries and/or its affiliates and/or their licensors.