001package org.apache.turbine.modules; 002 003 004/* 005 * Licensed to the Apache Software Foundation (ASF) under one 006 * or more contributor license agreements. See the NOTICE file 007 * distributed with this work for additional information 008 * regarding copyright ownership. The ASF licenses this file 009 * to you under the Apache License, Version 2.0 (the 010 * "License"); you may not use this file except in compliance 011 * with the License. You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, 016 * software distributed under the License is distributed on an 017 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 018 * KIND, either express or implied. See the License for the 019 * specific language governing permissions and limitations 020 * under the License. 021 */ 022 023 024import org.apache.turbine.Turbine; 025import org.apache.turbine.pipeline.PipelineData; 026import org.apache.turbine.services.schedule.JobEntry; 027 028/** 029 * ScheduledJobs loader class. 030 * 031 * @author <a href="mailto:mbryson@mindspring.com">Dave Bryson</a> 032 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> 033 * @version $Id$ 034 */ 035public class ScheduledJobLoader 036 extends GenericLoader<ScheduledJob> 037{ 038 /** The single instance of this class. */ 039 private static ScheduledJobLoader instance = new ScheduledJobLoader(); 040 041 /** 042 * These ctor's are private to force clients to use getInstance() 043 * to access this class. 044 */ 045 private ScheduledJobLoader() 046 { 047 super(ScheduledJob.class, 048 () -> Turbine.getConfiguration().getInt(ScheduledJob.CACHE_SIZE_KEY, 049 ScheduledJob.CACHE_SIZE_DEFAULT)); 050 } 051 052 /** 053 * Attempts to load and execute the external ScheduledJob. 054 * 055 * @param job The JobEntry. 056 * @param name Name of object that will execute the job. 057 * @throws Exception a generic exception. 058 */ 059 public void exec(JobEntry job, String name) 060 throws Exception 061 { 062 // Execute job 063 getAssembler(name).run(job); 064 } 065 066 /** 067 * Attempts to load and execute the external ScheduledJob. 068 * 069 * HELP! - THIS IS UGLY! 070 * 071 * I want the cache stuff from GenericLoader, BUT, I don't think 072 * the scheduler needs the PipelineData object. The scheduler runs 073 * independently of an HTTP request. This should not extend 074 * GenericLoader! Thoughts?? 075 * 076 * @param pipelineData Turbine information. 077 * @param name Name of object that will execute the job. 078 * @throws Exception a generic exception. 079 * @deprecated 080 */ 081 @Deprecated 082 @Override 083 public void exec(PipelineData pipelineData, String name) 084 throws Exception 085 { 086 throw new Exception("PipelineData objects not accepted for Scheduled jobs"); 087 } 088 089 /** 090 * The method through which this class is accessed. 091 * 092 * @return The single instance of this class. 093 */ 094 public static ScheduledJobLoader getInstance() 095 { 096 return instance; 097 } 098}