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Diffstat (limited to 'src/org/traccar/database/BaseObjectManager.java')
-rw-r--r--src/org/traccar/database/BaseObjectManager.java124
1 files changed, 0 insertions, 124 deletions
diff --git a/src/org/traccar/database/BaseObjectManager.java b/src/org/traccar/database/BaseObjectManager.java
deleted file mode 100644
index cc1dbde5f..000000000
--- a/src/org/traccar/database/BaseObjectManager.java
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
- * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.traccar.database;
-
-import java.sql.SQLException;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
-
-import org.traccar.helper.Log;
-import org.traccar.model.BaseModel;
-
-public class BaseObjectManager<T extends BaseModel> {
-
- private final DataManager dataManager;
-
- private Map<Long, T> items;
- private Class<T> baseClass;
-
- protected BaseObjectManager(DataManager dataManager, Class<T> baseClass) {
- this.dataManager = dataManager;
- this.baseClass = baseClass;
- refreshItems();
- }
-
- protected final DataManager getDataManager() {
- return dataManager;
- }
-
- protected final Class<T> getBaseClass() {
- return baseClass;
- }
-
- public T getById(long itemId) {
- return items.get(itemId);
- }
-
- public void refreshItems() {
- if (dataManager != null) {
- try {
- Collection<T> databaseItems = dataManager.getObjects(baseClass);
- if (items == null) {
- items = new ConcurrentHashMap<>(databaseItems.size());
- }
- Set<Long> databaseItemIds = new HashSet<>();
- for (T item : databaseItems) {
- databaseItemIds.add(item.getId());
- if (items.containsKey(item.getId())) {
- updateCachedItem(item);
- } else {
- addNewItem(item);
- }
- }
- for (Long cachedItemId : items.keySet()) {
- if (!databaseItemIds.contains(cachedItemId)) {
- removeCachedItem(cachedItemId);
- }
- }
- } catch (SQLException error) {
- Log.warning(error);
- }
- }
- }
-
- protected void addNewItem(T item) {
- items.put(item.getId(), item);
- }
-
- public void addItem(T item) throws SQLException {
- dataManager.addObject(item);
- addNewItem(item);
- }
-
- protected void updateCachedItem(T item) {
- items.put(item.getId(), item);
- }
-
- public void updateItem(T item) throws SQLException {
- dataManager.updateObject(item);
- updateCachedItem(item);
- }
-
- protected void removeCachedItem(long itemId) {
- items.remove(itemId);
- }
-
- public void removeItem(long itemId) throws SQLException {
- BaseModel item = getById(itemId);
- if (item != null) {
- dataManager.removeObject(baseClass, itemId);
- removeCachedItem(itemId);
- }
- }
-
- public final Collection<T> getItems(Set<Long> itemIds) {
- Collection<T> result = new LinkedList<>();
- for (long itemId : itemIds) {
- result.add(getById(itemId));
- }
- return result;
- }
-
- public Set<Long> getAllItems() {
- return items.keySet();
- }
-
-}