Hands-On Microservices with Kotlin

Bringing back our service

Previously, we have created a service class to hide the implementation details how we persist in our Model, so let's do it again by creating a CustomerService interface, for now, just a method to get a Customer from an id:

package com.microservices.chapter5import reactor.core.publisher.Monointerface CustomerService {  fun getCustomer(id: Int): Mono<Customer>}

Now, we will create the implementation of the service:

package com.microservices.chapter5import reactor.core.publisher.Monoclass CustomerServiceImpl : CustomerService {  override fun getCustomer(id: Int): Mono<Customer> {  }}

We now need to add a READ operation to our repository to get a customer:

package com.microservices.chapter5import org.springframework.data.mongodb.core.ReactiveMongoTemplate ...