001// Copyright 2006, 2007, 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
015package org.apache.tapestry5.ioc.internal;
016
017import org.apache.tapestry5.ioc.ObjectCreator;
018import org.apache.tapestry5.ioc.ServiceLifecycle;
019import org.apache.tapestry5.ioc.ServiceResources;
020
021/**
022 * Wrapper around a lifecycle, a set of resources for a service, and an underlying {@link ObjectCreator} for a service
023 * that allows the service lifecycle to alter the way that the service is created (this is needed for the more advanced,
024 * non-singleton types of service lifecycles).
025 */
026public class LifecycleWrappedServiceCreator implements ObjectCreator
027{
028     private final ServiceLifecycle lifecycle;
029
030    private final ServiceResources resources;
031
032    private final ObjectCreator creator;
033
034    public LifecycleWrappedServiceCreator(ServiceLifecycle lifecycle, ServiceResources resources, ObjectCreator creator)
035    {
036        this.lifecycle = lifecycle;
037        this.resources = resources;
038        this.creator = creator;
039    }
040
041    /**
042     * Passes the resources and the service creator through the {@link org.apache.tapestry5.ioc.ServiceLifecycle}.
043     */
044    @Override
045    public Object createObject()
046    {
047        return lifecycle.createService(resources, creator);
048    }
049
050}