2 * Copyright (c) 2017. Developed by Hedgecode.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.hedgecode.snooker.json;
19 import java.util.Collections;
20 import java.util.Comparator;
21 import java.util.Iterator;
22 import java.util.LinkedHashMap;
23 import java.util.LinkedList;
24 import java.util.List;
27 import org.hedgecode.snooker.api.CollectionEntity;
28 import org.hedgecode.snooker.api.IdEntity;
31 * Abstract Collection Entity to JSON deserialize.
33 * @author Dmitry Samoshin aka gotty
35 public abstract class JsonCollectionEntity<E extends IdEntity>
36 implements CollectionEntity<E>, JsonSerializable
38 private final Map<Integer, E> entities = new LinkedHashMap<>();
40 protected JsonCollectionEntity(E[] entities) {
41 for (E entity : entities) {
43 this.entities.put(entity.getId(), entity);
47 protected JsonCollectionEntity(List<E> entities) {
48 for (E entity : entities) {
49 this.entities.put(entity.getId(), entity);
55 return entities.size();
59 public boolean isEmpty() {
60 return entities.isEmpty();
64 public Iterator<E> iterator() {
65 return entities.values().iterator();
69 public E byId(int id) {
70 return entities.get(id);
73 protected void sort(Comparator<E> comparator) {
74 List<E> entityList = new LinkedList<>(entities.values());
76 entityList, comparator
79 for (E entity : entityList) {
80 entities.put(entity.getId(), entity);
85 public void sortById() {
87 (entity1, entity2) -> entity1.getId() - entity2.getId()