Scala cake pattern demo

Application functionality

Application deals with Employee(emp_id: Int, name: String, department: String) objects. Following are the main functions

1. Read employees

Enter employees via commandline. InputReader actor handles this function

2. Handler input employees

EmployeeHandler handles the rest of the functionality

Cake pattern dependencies

1. EmployeeDbComp

EmployeeHandler has dependency with EmployeeDbComp which deals with saving employee detains in the database. We are using cassandra database to store employee records. CassandraEmployeeDbCompImpl handles cassandra related implementation

2. UserServiceComp

EmployeeHandler has dependency to UserServiceComp with uploads the employee to service via REST API. We have Spray based UserServiceComp(SprayUserServiceCompImpl)

Cassandra config

1. Create key space cakez

create keyspace cakez with replication = {'class':'SimpleStrategy','replication_factor':1};

2. Create table employee

create table employee(emp_id Int primary key, name text, department text);

3. Create index for name

create index name_index on employee(name);