package act.db;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import act.app.App;
import act.app.AppServiceBase;
import act.app.DbServiceManager;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
* Keep track of SQL entity model classes
*/
public class EntityClassRepository extends AppServiceBase<EntityClassRepository> {
// map model class set to db service ID
private ConcurrentMap<String, Set<Class>> modelClasses = new ConcurrentHashMap<>();
public EntityClassRepository(App app) {
super(app);
}
public void registerModelClass(Class<?> modelClass) {
DB db = modelClass.getAnnotation(DB.class);
String dbId = null == db ? DbServiceManager.DEFAULT : db.value();
registerModelClass(dbId, modelClass);
}
private void registerModelClass(String dbId, Class<?> modelClass) {
Set<Class> set = modelClasses.get(dbId);
if (null == set) {
set = new HashSet<>();
Set<Class> set0 = modelClasses.putIfAbsent(dbId, set);
if (null != set0) {
set.addAll(set0);
}
}
set.add(modelClass);
}
public Set<Class> modelClasses(String dbId) {
return modelClasses.get(dbId);
}
@Override
protected void releaseResources() {
modelClasses.clear();
}
public static void init(App app) {
new EntityClassRepository(app);
}
}