Transform elements in the message as it passes through a JavaCompute node in the message flow.
The incoming message and message assembly are read-only. Therefore, to modify a message, you must make a copy of it first. For more information, see Copying and modifying a message by using a JavaCompute node.
The Java™ API reference information provides details about each of the methods used in the following sections:
Use these methods to set information about the referenced element: