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DbPlugin.java
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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.Act;
import act.app.App;
import act.db.meta.MasterEntityMetaInfoRepo;
import act.plugin.AppServicePlugin;
import act.plugin.Plugin;
import org.osgl.util.C;
import java.lang.annotation.Annotation;
import java.util.Map;
import java.util.Set;
/**
* The base class for Database Plugin
*/
public abstract class DbPlugin extends AppServicePlugin implements Plugin {
@Override
public void register() {
super.register();
Act.dbManager().register(this);
Act.trigger(new DbPluginRegistered(this));
}
/**
* Sub class to override this method to return a set
* of annotation classes that marks on an entity(model) class
* @return entity class annotations
*/
public Set<Class<? extends Annotation>> entityAnnotations() {
return C.set();
}
@Override
public int hashCode() {
return getClass().hashCode();
}
@Override
protected void applyTo(App app) {
Set<Class<? extends Annotation>> entityAnnotations = entityAnnotations();
if (!entityAnnotations.isEmpty()) {
MasterEntityMetaInfoRepo repo = app.entityMetaInfoRepo();
for (Class<? extends Annotation> annoType : entityAnnotations) {
repo.registerEntityAnnotation(annoType);
}
}
}
@Override
public boolean equals(Object obj) {
return obj == this || null != obj && getClass() == obj.getClass();
}
public abstract DbService initDbService(String id, App app, Map<String, String> conf);
}