Multi / Parallel Threading in Java – using ExecutorService

Case Scenario:

Multiple request coming for inserting data into database in asynchronized way. Need to be ensure this request not making any bottleneck in database connection and that process usage (thread usage) under controllable.

From below code snippet can understand how to implement the same in simple way, keep in mind that avoided persisting queuing system because only need to emboss parallel threading.

Process Flow

Process Flow

Each Process Chanel class

Each Process Chanel class 

Process Channels Handler Class

Process Channels Handler

Data Transferring POJO Class