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//They told her, "Woman, why are you weeping?" She said to them, "Because they have taken away my Lord, and I don't know where they have laid him." (John 20:13)
--------------------------------------------------------Solution.java---------------------------------------------------------------
package com.javarush.task.task23.task2304;
/*
Inner 3
*/
import java.util.*;
public class Solution {
private List<Task> tasks;
private List<String> names;
private DbDataProvider taskDataProvider = new TaskDataProvider();
private DbDataProvider nameDataProvider = new NameDataProvider();
public void refresh() {
Map taskCriteria = ViewMock.getFakeTasksCriteria();
taskDataProvider.refreshAllData(taskCriteria);
Map nameCriteria = ViewMock.getFakeNamesCriteria();
nameDataProvider.refreshAllData(nameCriteria);
}
private interface DbDataProvider<T> {
void refreshAllData(Map criteria);
}
class Task {
}
private class TaskDataProvider implements DbDataProvider<Task>{
@Override
public void refreshAllData(Map criteria) {
tasks = DbMock.getFakeTasks(criteria);
}
}
private class NameDataProvider implements DbDataProvider<String>{
@Override
public void refreshAllData(Map criteria) {
names = DbMock.getFakeNames(criteria);
}
}
public static void main(String[] args) {
}
}
------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------------DbMock.java----------------------------------------------------------------
package com.javarush.task.task23.task2304;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class DbMock {
private static final List<Solution.Task> FAKE_TASKS = new ArrayList<>();
private static final List<String> FAKE_NAMES = new ArrayList<>();
public static List<Solution.Task> getFakeTasks(Map criteria) {
return ViewMock.getFakeTasksCriteria().equals(criteria) ? FAKE_TASKS : null;
}
public static List<String> getFakeNames(Map criteria) {
return ViewMock.getFakeNamesCriteria().equals(criteria) ? FAKE_NAMES : null;
}
}
------------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------ViewMock.java-------------------------------------------------------------
package com.javarush.task.task23.task2304;
import java.util.HashMap;
import java.util.Map;
public class ViewMock {
private static final Map FAKE_TASKS_CRITERIA = new HashMap();
private static final Map FAKE_NAMES_CRITERIA = new HashMap();
public static Map getFakeTasksCriteria() {
return FAKE_TASKS_CRITERIA;
}
public static Map getFakeNamesCriteria() {
return FAKE_NAMES_CRITERIA;
}
}
------------------------------------------------------------------------------------------------------------------------------------
/*
Inner 3
Внутри класса Solution:
1) реализуйте private class TaskDataProvider используя Task и DbMock, цель которого — обновить поле tasks.
2) реализуйте private class NameDataProvider используя String и DbMock, цель которого — обновить поле names.
Требования:
1. Класс TaskDataProvider должен быть создан внутри класса Solution и быть приватным.
2. Класс NameDataProvider должен быть создан внутри класса Solution и быть приватным.
3. Класс TaskDataProvider должен реализовывать интерфейс DbDataProvider с параметром типа Task.
4. Класс NameDataProvider должен реализовывать интерфейс DbDataProvider с параметром типа String.
5. Метод refreshAllData в классе TaskDataProvider должен сохранять в список tasks результат работы метода getFakeTasks класса DbMock.
6. Метод refreshAllData в классе NameDataProvider должен сохранять в список names результат работы метода getFakeNames класса DbMock.
--------------------------------------------------------Solution.java---------------------------------------------------------------
package com.javarush.task.task23.task2304;
*
Inner 3
*
public class Solution {
private List<Task> tasks;
private List<String> names;
private DbDataProvider taskDataProvider = new TaskDataProvider();
private DbDataProvider nameDataProvider = new NameDataProvider();
public void refresh() {
Map taskCriteria = ViewMock.getFakeTasksCriteria();
taskDataProvider.refreshAllData(taskCriteria);
Map nameCriteria = ViewMock.getFakeNamesCriteria();
nameDataProvider.refreshAllData(nameCriteria);
}
private interface DbDataProvider<T> {
void refreshAllData(Map criteria);
}
class Task {
}
public static void main(String[] args) {
}
}
------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------------DbMock.java----------------------------------------------------------------
package com.javarush.task.task23.task2304;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class DbMock {
private static final List<Solution.Task> FAKE_TASKS = new ArrayList<>();
private static final List<String> FAKE_NAMES = new ArrayList<>();
public static List<Solution.Task> getFakeTasks(Map criteria) {
return ViewMock.getFakeTasksCriteria().equals(criteria) ? FAKE_TASKS : null;
}
public static List<String> getFakeNames(Map criteria) {
return ViewMock.getFakeNamesCriteria().equals(criteria) ? FAKE_NAMES : null;
}
}
------------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------ViewMock.java-------------------------------------------------------------
package com.javarush.task.task23.task2304;
import java.util.HashMap;
import java.util.Map;
public class ViewMock {
private static final Map FAKE_TASKS_CRITERIA = new HashMap();
private static final Map FAKE_NAMES_CRITERIA = new HashMap();
public static Map getFakeTasksCriteria() {
return FAKE_TASKS_CRITERIA;
}
public static Map getFakeNamesCriteria() {
return FAKE_NAMES_CRITERIA;
}
}
------------------------------------------------------------------------------------------------------------------------------------
*/