001    // Copyright 2006, 2008, 2010 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.ioc.services;
016    
017    import org.apache.tapestry5.ioc.ServiceLifecycle;
018    import org.apache.tapestry5.ioc.annotations.UsesMappedConfiguration;
019    
020    /**
021     * Provides access to user defined lifecycles (beyond the two built-in lifecycles: "singleton" and "primitive"). The
022     * user defined lifecycles are contributed into the service's configuration.
023     * <p/>
024     * Note that the default scope {@linkplain org.apache.tapestry5.ioc.ScopeConstants#DEFAULT "singleton"} is special and
025     * not a contribution.
026     */
027    @UsesMappedConfiguration(ServiceLifecycle.class)
028    public interface ServiceLifecycleSource
029    {
030        /**
031         * Used to locate a configuration lifecycle, by name.
032         * 
033         * @param scope
034         * @return the named lifecycle, or null if the name is not found
035         */
036        ServiceLifecycle get(String scope);
037    }