EmployeeDAOCachingGetEmployee

EmployeeDAOCaching.java

package com.codinko.caching;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Component;

@Component("employeeDAO")
public class EmployeeDAO {

@Cacheable(value = "employeeCache")
 public List<Employee> getEmployees() {
 Random random = new Random();
 int randomid = random.nextInt(9999);
 System.out.println("*** Creating a list of employees and returning the list ***");
 List<Employee> employees = new ArrayList<Employee>(5);
 employees.add(new Employee(randomid, "Ben", "Architect"));
 employees.add(new Employee(randomid + 1, "Harley", "Programmer"));
 employees.add(new Employee(randomid + 2, "Peter", "BusinessAnalyst"));
 employees.add(new Employee(randomid + 3, "Sasi", "Manager"));
 employees.add(new Employee(randomid + 4, "Abhi", "Designer"));
 return employees;
 }

@Cacheable(value = "employeeCache", key = "#name")
 public Employee getEmployee(String name, List<Employee> employees) {
 System.out
 .println("*** Get the employee using name : " + name + " ***");
 Employee emp = null;
 for (Employee employee : employees) {
 if (employee.getName().equalsIgnoreCase(name)) {
 emp = employee;
 }
 }
 return emp;
 }

}