001    //  Copyright 2011 The Apache Software Foundation
002    //
003    //  Licensed under the Apache License, Version 2.0 (the "License");
004    //  you may not use this file except in compliance with the License.
005    //  You may obtain a copy of the License at
006    //
007    //  http://www.apache.org/licenses/LICENSE-2.0
008    //
009    //  Unless required by applicable law or agreed to in writing, software
010    //  distributed under the License is distributed on an "AS IS" BASIS,
011    //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    //  See the License for the specific language governing permissions and
013    //  limitations under the License.
014    
015    package org.apache.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.services.Session;
018    
019    /**
020     * Encapsulates logic for accessing the Tapestry {@link Session} (a wrapper around the {@link javax.servlet.http.HttpSession}).
021     *
022     * @see SessionImpl
023     * @see ClusteredSessionImpl
024     * @since 5.3
025     */
026    public interface TapestrySessionFactory
027    {
028        Session getSession(boolean create);
029    }