fake inmemory implementation of service

just to manually verify our web pages

src/main/java/com/examples/spring/demo/services/EmployeeService.java

@@ -1,32 +1,47 @@
 package com.examples.spring.demo.services;
 
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 
 import org.springframework.stereotype.Service;
 
 import com.examples.spring.demo.model.Employee;
 
 /**
- * Temporary fake implementation of service.
+ * Temporary implementation just to make some manual tests.
+ * During the tests this will be mocked anyway.
  */
 @Service
 public class EmployeeService {
 
-	private static final String TEMPORARY_IMPLEMENTATION = "Temporary implementation";
+	private Map<Long, Employee> employees = new LinkedHashMap<>();
+
+	public EmployeeService() {
+		employees.put(1L, new Employee(1L, "John Doe", 1000));
+		employees.put(2L, new Employee(2L, "John Smith", 2000));
+	}
 
 	public List<Employee> getAllEmployees() {
-		throw new UnsupportedOperationException(TEMPORARY_IMPLEMENTATION);
+		return new LinkedList<>(employees.values());
 	}
 
-	public Employee getEmployeeById(long id) {
-		throw new UnsupportedOperationException(TEMPORARY_IMPLEMENTATION);
+	public Employee getEmployeeById(long i) {
+		return employees.get(i);
 	}
 
 	public Employee insertNewEmployee(Employee employee) {
-		throw new UnsupportedOperationException(TEMPORARY_IMPLEMENTATION);
+		// dumb way of generating an automatic ID
+		employee.setId(employees.size()+1L);
+		employees.put(employee.getId(), employee);
+		return employee;
 	}
 
 	public Employee updateEmployeeById(long id, Employee replacement) {
-		throw new UnsupportedOperationException(TEMPORARY_IMPLEMENTATION);
+		replacement.setId(id);
+		employees.put(replacement.getId(), replacement);
+		return replacement;
 	}
-}
+
+}