January 2018
Intermediate to advanced
414 pages
10h 29m
English
Content preview from Hands-On Microservices with Kotlin
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Using Mono in a service
We can now modify our service to return a publisher for a single customer using Mono. Let's first change our CustomerService interface:
package com.microservices.chapter4import reactor.core.publisher.Monointerface CustomerService { fun getCustomer(id: Int) : Mono<Customer?> fun searchCustomers(nameFilter: String): List<Customer>}
Then, we will change our implementation on the CustomerServiceImpl class:
package com.microservices.chapter4import com.microservices.chapter4.Customer.Telephoneimport org.springframework.stereotype.Componentimport reactor.core.publisher.toMonoimport java.util.concurrent.ConcurrentHashMap@Componentclass CustomerServiceImpl : CustomerService { companion object { val initialCustomers = arrayOf(Customer(1, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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