# Processor Module

• How to add a process module?
• What goes into a process module?
• How to define a processor?
• What are the different types of messages that a processor can react to?
• How to define a statefull or singleton processor?
• How to make a processor react to a custom message?
• How to specify the actor name for a processor?
• How to implement a timer based scheduler ?
• How to implement a self invoked scheduler?
• How to model Pub_Sub using a processor?
• How to have a Point_to_Point messaging using processor?
• How to handle exception that occur in processor code?
• Can a processor react to an event being raised in the application?
• How to implement remote_messaging?
• How to configure a processor ex routing scheduling no of actors etc?
• How to define a reactor to a stream?
• Reactor vs Projector
• Configuring a reactor
• How to define a remote reactor?
• How to run a reactor outside server?
• What is preStart and postStart in a processor?
• How to implement a stateful processor?