org.apache.openejb.cdi.RequestScopedThreadContextListener Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.openejb.cdi;
import org.apache.openejb.BeanContext;
import org.apache.openejb.core.ThreadContext;
import org.apache.openejb.core.ThreadContextListener;
import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.spi.ContextsService;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.context.spi.Context;
/**
* @version $Rev$ $Date$
*/
public class RequestScopedThreadContextListener implements ThreadContextListener {
@Override
public void contextEntered(ThreadContext oldContext, ThreadContext newContext) {
final BeanContext beanContext = newContext.getBeanContext();
final WebBeansContext webBeansContext = beanContext.getModuleContext().getAppContext().getWebBeansContext();
final ContextsService contextsService = webBeansContext.getContextsService();
final Context requestContext = contextsService.getCurrentContext(RequestScoped.class);
if (requestContext == null) {
contextsService.startContext(RequestScoped.class, null);
newContext.set(DestroyContext.class, new DestroyContext(contextsService, newContext));
}
}
@Override
public void contextExited(ThreadContext exitedContext, ThreadContext reenteredContext) {
if (exitedContext == null) return;
final DestroyContext destroyContext = exitedContext.get(DestroyContext.class);
if (destroyContext == null || destroyContext.threadContext != exitedContext) return;
destroyContext.contextsService.endContext(RequestScoped.class, null);
}
private static class DestroyContext {
private final ContextsService contextsService;
private final ThreadContext threadContext;
private DestroyContext(ContextsService contextsService, ThreadContext threadContext) {
this.contextsService = contextsService;
this.threadContext = threadContext;
}
}
}