001// Copyright 2023 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.services.pageload; 016 017import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration; 018 019/** 020 * A service which defines whether cache page instances should have soft references pointing to 021 * it (the default) or strong, non-garbage-collectable ones. This service is a chain of command 022 * of itself. 023 * 024 * @see ReferenceType 025 * @since 5.8.3 026 */ 027@UsesOrderedConfiguration(PageCachingReferenceTypeService.class) 028public interface PageCachingReferenceTypeService 029{ 030 /** 031 * Defines which reference type should be used to cache instances of the given page. 032 * Returning <code>null</code> means this implementation doesn't handle wit the given page. 033 * @param canonicalPageName the name of the page. 034 * @return a ReferenceType object or <code>null</code> 035 */ 036 ReferenceType get(String canonicalPageName); 037 038}