Package dev.zemco.codegame.problems

Class ProblemService

java.lang.Object

dev.zemco.codegame.problems.ProblemService

All Implemented Interfaces:

IProblemService

public class ProblemService
extends Object
implements IProblemService

Implementation of business logic related to management of problems available to the application that uses provided problem repository as source of problems.

Currently, this service only serves as isolation between data access layer and presentation layer.

Author:

Erik Zemčík

Constructor Summary

Constructors

Constructor	Description
ProblemService(IProblemRepository problemRepository)	Creates an instance of ProblemService.

Method Summary

Modifier and Type	Method	Description
List<Problem>	getAllProblems()	Returns all problems available to the application.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ProblemService

public ProblemService(IProblemRepository problemRepository)

Creates an instance of ProblemService.

Parameters:

problemRepository - problem repository to use as source of problems

Throws:

IllegalArgumentException - if problemRepository is null

Method Details

getAllProblems

public List<Problem> getAllProblems()

Description copied from interface: IProblemService

Returns all problems available to the application.

Specified by:

getAllProblems in interface IProblemService

Returns:

unmodifiable list of problems