    001// Copyright 2006, 2008, 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
    015package org.apache.tapestry5.commons;
    016
    017/**
    018 * Interface used to encapsulate any strategy used defer the creation of some object until just as needed.
    019 */
    020public interface ObjectCreator<T>
    021{
    022    /**
    023     * Create and return the object. In some limited circumstances, the implementation may cache the result, returning
    024     * the same object for repeated calls.
    025     */
    026    T createObject();
    027}