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AppSubTypeFinder.java
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60 lines (51 loc) · 1.74 KB
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package act.util;
/*-
* #%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.event.SysEventId;
/**
* An `AppSubTypeFinder` extends {@link SubTypeFinder} with an method to
* apply the finder when application started.
*/
@SuppressWarnings("unused")
public abstract class AppSubTypeFinder<T> extends SubTypeFinder<T> {
public AppSubTypeFinder(Class<T> target) {
super(target);
registerSingleton();
}
public AppSubTypeFinder(Class<T> target, SysEventId bindingEvent) {
super(target, bindingEvent);
registerSingleton();
}
private void registerSingleton() {
App.instance().registerSingleton(getClass(), this);
}
@SuppressWarnings("unused")
public static class _AppSubTypeFinderFinder extends SubTypeFinder<AppSubTypeFinder> {
public _AppSubTypeFinderFinder() {
super(AppSubTypeFinder.class, SysEventId.SINGLETON_PROVISIONED);
}
@Override
protected void found(final Class<? extends AppSubTypeFinder> target, App app) {
AppSubTypeFinder finder = app.getInstance(target);
finder.applyTo(app);
}
}
}