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  * JBoss, Home of Professional Open Source
  * Copyright 2008, Red Hat, Inc., and individual contributors
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
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  * you may not use this file except in compliance with the License.
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
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package org.jboss.weld.context.beanstore.http;
import  javax.servlet.http.HttpServletRequest;
import  javax.servlet.http.HttpSession;

A BeanStore that uses a HTTP session as backing storage.

Unlike EagerSessionBeanStore, this bean store is backed by an HttpRequest, and only requires the session to be created when it needs to write an instance to it.

This class is not threadsafe

Nicklas Karlsson
David Allen
Pete Muir
Ales Justin
See also:
    private final HttpServletRequest request;
    public LazySessionBeanStore(HttpServletRequest requestNamingScheme namingScheme) {
        this. = request;

Get the session, create equals false;

http session or null if no such session exists
    protected HttpSession getSessionIfExists() {
        return SessionHolder.getSessionIfExists();
    protected HttpSession getSession(boolean create) {
        try {
            return SessionHolder.getSession(create);
        } catch (IllegalStateException e) {
            // If container can't create an underlying session, invalidate the
            // current one
            return null;
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