How can I transfer a Java object from a client to the workers?

I am using a parfor loop which uses a Java object created on th client before the loop is initialised. How can I transfer the object from the client to the workers?

Answer 1

[Hornett]

In MATLAB, when using a parfor loop, the parallel workers operate in separate processes from the client. This means that objects created on the client, like Java objects, are not automatically available to the workers. To transfer a Java object from the client to the workers, you need to ensure that each worker has access to the necessary data or objects. Here’s how you can handle this:Steps to Transfer a Java Object to Workers

1. Serializable Java Object: Ensure that the Java object is serializable. MATLAB uses serialization to transfer data to workers, so the Java object must implement the java.io.Serializable interface.
2. Broadcast the Object: Use the parallel.pool.Constant to broadcast the Java object to the workers. This approach ensures that each worker gets a copy of the object.
3. Access the Object in parfor: Use the broadcasted object within the parfor loop.