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The ACT full stack MVC framework
package act.meta;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2018 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.plugin.AppServicePlugin;
import org.osgl.$;
import org.osgl.util.Generics;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public abstract class ClassMetaInfoManager> extends AppServicePlugin {
private Class infoType;
private Map map = new HashMap<>();
public ClassMetaInfoManager() {
exploreTypes();
}
public Class infoType() {
return infoType;
}
@Override
protected void applyTo(App app) {
app.register(this);
map.clear();
}
public INFO getOrCreate(String className) {
INFO info = map.get(className);
if (null == info) {
info = $.newInstance(infoType);
map.put(className, info);
}
return info;
}
public INFO get(String className) {
return map.get(className);
}
private void exploreTypes() {
List types = Generics.typeParamImplementations(getClass(), ClassMetaInfoManager.class);
infoType = Generics.classOf(types.get(0));
}
}