    001    // Copyright 2006, 2008, 2009 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.internal;
    016
    017    import org.apache.tapestry5.ioc.ObjectCreator;
    018    import org.apache.tapestry5.ioc.ServiceLifecycle2;
    019    import org.apache.tapestry5.ioc.ServiceResources;
    020
    021    /**
    022     * The basic implementation of a service lifecycle, which simply uses the {@link org.apache.tapestry5.ioc.ObjectCreator}
    023     * to create an instance of the service when asked.
    024     */
    025    public class SingletonServiceLifecycle implements ServiceLifecycle2
    026    {
    027        public Object createService(ServiceResources resources, ObjectCreator creator)
    028        {
    029            return creator.createObject();
    030        }
    031
    032        public boolean isSingleton()
    033        {
    034            return true;
    035        }
    036
    037        public boolean requiresProxy()
    038        {
    039            return false;
    040        }
    041    }