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authorAnton Tananaev <anton.tananaev@gmail.com>2017-07-23 18:29:36 +1200
committerGitHub <noreply@github.com>2017-07-23 18:29:36 +1200
commit4b2372336d0496c85befe099914434e5b68f05b3 (patch)
tree798de625a07c18287e829b3a037cacee179ebcff /src/org/traccar/database/SimpleObjectManager.java
parentba82047a492be54545961716814584d8880d28ae (diff)
parent5a65c0d6be8ffc2db0ffdb0c35ecedfb2b3750c7 (diff)
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Merge pull request #3373 from Abyss777/refactor_managers
Refactor managers, permissions etc
Diffstat (limited to 'src/org/traccar/database/SimpleObjectManager.java')
-rw-r--r--src/org/traccar/database/SimpleObjectManager.java159
1 files changed, 159 insertions, 0 deletions
diff --git a/src/org/traccar/database/SimpleObjectManager.java b/src/org/traccar/database/SimpleObjectManager.java
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+++ b/src/org/traccar/database/SimpleObjectManager.java
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+/*
+ * 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.Context;
+import org.traccar.helper.Log;
+import org.traccar.model.BaseModel;
+import org.traccar.model.User;
+
+public abstract class SimpleObjectManager {
+
+ private final DataManager dataManager;
+
+ private final Map<Long, BaseModel> items = new ConcurrentHashMap<>();
+ private final Map<Long, Set<Long>> userItems = new ConcurrentHashMap<>();
+
+ private Class<? extends BaseModel> baseClass;
+ private String baseClassIdName;
+
+ protected SimpleObjectManager(DataManager dataManager, Class<? extends BaseModel> baseClass) {
+ this.dataManager = dataManager;
+ this.baseClass = baseClass;
+ baseClassIdName = DataManager.makeNameId(baseClass);
+ }
+
+ protected final DataManager getDataManager() {
+ return dataManager;
+ }
+
+ protected final Class<? extends BaseModel> getBaseClass() {
+ return baseClass;
+ }
+
+ protected final String getBaseClassIdName() {
+ return baseClassIdName;
+ }
+
+ public final BaseModel getById(long itemId) {
+ return items.get(itemId);
+ }
+
+ protected final void clearItems() {
+ items.clear();
+ }
+
+ protected final void putItem(long itemId, BaseModel item) {
+ items.put(itemId, item);
+ }
+
+ protected final void removeCachedItem(long itemId) {
+ items.remove(itemId);
+ }
+
+ public final Set<Long> getUserItems(long userId) {
+ if (!userItems.containsKey(userId)) {
+ userItems.put(userId, new HashSet<Long>());
+ }
+ return userItems.get(userId);
+ }
+
+ protected final void clearUserItems() {
+ userItems.clear();
+ }
+
+ public final boolean checkItemPermission(long userId, long itemId) {
+ return getUserItems(userId).contains(itemId);
+ }
+
+ public void refreshItems() {
+ if (dataManager != null) {
+ try {
+ clearItems();
+ for (BaseModel item : dataManager.getObjects(this.baseClass)) {
+ putItem(item.getId(), item);
+ }
+ } catch (SQLException error) {
+ Log.warning(error);
+ }
+ }
+ refreshUserItems();
+ }
+
+ public final void refreshUserItems() {
+ if (dataManager != null) {
+ try {
+ clearUserItems();
+ for (Map<String, Long> permission : dataManager.getPermissions(User.class, baseClass)) {
+ getUserItems(permission.get(DataManager.makeNameId(User.class)))
+ .add(permission.get(baseClassIdName));
+ }
+ } catch (SQLException error) {
+ Log.warning(error);
+ }
+ }
+ }
+
+ public void addItem(BaseModel item) throws SQLException {
+ dataManager.addObject(item);
+ putItem(item.getId(), item);
+ }
+
+ public void updateItem(BaseModel item) throws SQLException {
+ dataManager.updateObject(item);
+ putItem(item.getId(), item);
+ }
+
+ public void removeItem(long itemId) throws SQLException {
+ BaseModel item = getById(itemId);
+ if (item != null) {
+ dataManager.removeObject(baseClass, itemId);
+ removeCachedItem(itemId);
+ }
+ refreshUserItems();
+ }
+
+ public final <T> Collection<T> getItems(Class<T> clazz, Set<Long> itemIds) {
+ Collection<T> result = new LinkedList<>();
+ for (long itemId : itemIds) {
+ result.add((T) getById(itemId));
+ }
+ return result;
+ }
+
+ public final Set<Long> getAllItems() {
+ return items.keySet();
+ }
+
+ public final Set<Long> getManagedItems(long userId) {
+ Set<Long> result = new HashSet<>();
+ result.addAll(getUserItems(userId));
+ for (long managedUserId : Context.getPermissionsManager().getUserPermissions(userId)) {
+ result.addAll(getUserItems(managedUserId));
+ }
+ return result;
+ }
+
+}