package act.inject.param;
/*-
* #%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.inject.genie.RequestScope;
import act.inject.genie.SessionScope;
import act.util.ActContext;
import org.osgl.inject.BeanSpec;
class ScopedParamValueLoader implements ParamValueLoader {
private ParamValueLoader realLoader;
private String key;
private ScopeCacheSupport scopeCache;
ScopedParamValueLoader(ParamValueLoader loader, BeanSpec beanSpec, ScopeCacheSupport scopeCache) {
this.realLoader = loader;
this.scopeCache = scopeCache;
this.key = scopeCache.key(beanSpec);
}
@Override
public Object load(Object bean, ActContext<?> context, boolean noDefaultValue) {
Object cached = scopeCache.get(key);
boolean isSession = SessionScope.INSTANCE == scopeCache;
if (isSession) {
Object requestScoped = RequestScope.INSTANCE.get(key);
if (null != requestScoped) {
return requestScoped;
}
}
cached = realLoader.load(cached, context, noDefaultValue);
scopeCache.put(key, cached);
if (isSession) {
RequestScope.INSTANCE.put(key, cached);
}
return cached;
}
@Override
public String bindName() {
return realLoader.bindName();
}
}