1212
1313
1414public class InMemoryTaskManager implements TaskManager {
15- private int counterId = 0 ;
16- private final Map <Integer , Task > tasks = new HashMap <>();
17- private final Map <Integer , Epic > epics = new HashMap <>();
18- private final Map <Integer , Subtask > subtasks = new HashMap <>();
19-
20- private final HistoryManager historyManager = Manager .getDefaultHistory ();
21-
15+ protected int counterId = 0 ;
16+ final Map <Integer , Task > tasks = new HashMap <>();
17+ final Map <Integer , Epic > epics = new HashMap <>();
18+ final Map <Integer , Subtask > subtasks = new HashMap <>();
19+ final HistoryManager historyManager = Manager .getDefaultHistory ();
2220
2321 @ Override
24- public Task createTask (Task task ) {
22+ public Task createTask (Task task ) {// создание Task
2523 final int id = ++counterId ;
2624 task .setId (id );
2725 tasks .put (id , task );
2826 return task ;
2927 }
3028
3129 @ Override
32- public Epic createEpic (Epic epic ) {
30+ public Epic createEpic (Epic epic ) {// создание Epic
3331 final int id = ++counterId ;
3432 epic .setId (id );
3533 epics .put (id , epic );
@@ -38,7 +36,7 @@ public Epic createEpic(Epic epic) {
3836
3937
4038 @ Override
41- public Subtask createSubtask (Subtask subtask ) {
39+ public Subtask createSubtask (Subtask subtask ) {// создание Subtask
4240 final int epicId = subtask .getEpicId ();
4341 Epic epic = epics .get (epicId );
4442 if (epic == null ) {
@@ -53,7 +51,7 @@ public Subtask createSubtask(Subtask subtask) {
5351 }
5452
5553 @ Override
56- public void updateTask (Task task ) {
54+ public void updateTask (Task task ) {// обновление Task
5755 final int id = task .getId ();
5856 final Task savedTask = tasks .get (id );
5957 if (savedTask == null ) {
@@ -63,7 +61,7 @@ public void updateTask(Task task) {
6361 }
6462
6563 @ Override
66- public void updateEpic (Epic epic ) {
64+ public void updateEpic (Epic epic ) {// обновление Epic
6765 Epic savedEpic = epics .get (epic .getId ());
6866 if (savedEpic == null ) {
6967 return ;
@@ -73,7 +71,7 @@ public void updateEpic(Epic epic) {
7371 }
7472
7573 @ Override
76- public void updateSubtask (Subtask subtask ) {
74+ public void updateSubtask (Subtask subtask ) {// обновление Subtask
7775 final int id = subtask .getId ();
7876 final int epicId = subtask .getEpicId ();
7977 final Subtask savedSubtask = subtasks .get (id );
@@ -85,15 +83,15 @@ public void updateSubtask(Subtask subtask) {
8583 return ;
8684 }
8785 subtasks .put (id , subtask );
88- updateEpicStatus (epicId );
86+ updateEpicStatus (epicId );// обновление статуса у Epic
8987 }
9088
9189 @ Override
9290 public void cleanTasks () {
9391 tasks .clear ();
94- }
92+ }// очистка списка Tasks
9593
96- public void cleanSubtasks () {
94+ public void cleanSubtasks () {// очистка списка Subtasks
9795 for (Epic epic : epics .values ()) {
9896 epic .cleanSubtask ();
9997 updateEpicStatus (epic .getId ());
@@ -102,7 +100,7 @@ public void cleanSubtasks() {
102100 }
103101
104102 @ Override
105- public void cleanEpics () {
103+ public void cleanEpics () {// очистка списка Epics и Subtasks
106104 epics .clear ();
107105 subtasks .clear ();
108106
@@ -111,10 +109,10 @@ public void cleanEpics() {
111109 @ Override
112110 public void deleteTask (int id ) {
113111 tasks .remove (id );
114- }
112+ }// удаление по id Task
115113
116114 @ Override
117- public void deleteSubtask (int id ) {
115+ public void deleteSubtask (int id ) {// удаление по id Subtask
118116 Subtask subtask = subtasks .remove (id );
119117 if (subtask == null ) {
120118 return ;
@@ -125,7 +123,7 @@ public void deleteSubtask(int id) {
125123 }
126124
127125 @ Override
128- public void deleteEpic (int id ) {
126+ public void deleteEpic (int id ) {// удаление по id Epic
129127 Epic epic = epics .remove (id );
130128 if (epic == null ) {
131129 return ;
@@ -138,15 +136,15 @@ public void deleteEpic(int id) {
138136 @ Override
139137 public ArrayList <Task > getTasks () {
140138 return new ArrayList <>(tasks .values ());
141- }
139+ }// получаем список Tasks
142140
143141 @ Override
144142 public ArrayList <Epic > getEpics () {
145143 return new ArrayList <>(epics .values ());
146- }
144+ }// получаем список Epics
147145
148146 @ Override
149- public ArrayList <Subtask > getEpicSubtasks (int epicId ) {
147+ public ArrayList <Subtask > getEpicSubtasks (int epicId ) {// получаем список Epic с Subtasks
150148 Epic epic = epics .get (epicId );
151149 ArrayList <Subtask > getSubtasks = null ;
152150 for (Integer subtaskId : epic .getSubtaskIds ()) {
@@ -158,33 +156,33 @@ public ArrayList<Subtask> getEpicSubtasks(int epicId) {
158156 }
159157
160158 @ Override
161- public Task getTask (int id ) {
159+ public Task getTask (int id ) {// получаем Task по id
162160 final Task task = tasks .get (id );
163161 historyManager .add (task );
164162 return task ;
165163
166164 }
167165
168166 @ Override
169- public Epic getEpic (int id ) {
167+ public Epic getEpic (int id ) {// получаем Epic по id
170168 final Epic epic = epics .get (id );
171169 historyManager .add (epic );
172170 return epic ;
173171 }
174172
175173 @ Override
176- public Subtask getSubtask (int id ) {
174+ public Subtask getSubtask (int id ) {// получаем Subtask по id
177175 final Subtask subtask = subtasks .get (id );
178176 historyManager .add (subtask );
179177 return subtask ;
180178 }
181179
182180 @ Override
183- public List <Task > getHistory () {
184- return historyManager .getHistory ();
181+ public List <Task > getHistory () {// получаем список истории
182+ return historyManager .getAll ();
185183 }
186184
187- private void updateEpicStatus (int epicId ) {
185+ private void updateEpicStatus (int epicId ) {// обновление статуса Epic
188186 Epic epic = epics .get (epicId );
189187 ArrayList <Subtask > subtasks = new ArrayList <>();
190188 for (Integer subtaskId : epic .getSubtaskIds ()) {
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