001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.scheduling.support; 018 019import java.lang.reflect.InvocationTargetException; 020import java.lang.reflect.Method; 021import java.lang.reflect.UndeclaredThrowableException; 022 023import org.springframework.util.ReflectionUtils; 024 025/** 026 * Variant of {@link MethodInvokingRunnable} meant to be used for processing 027 * of no-arg scheduled methods. Propagates user exceptions to the caller, 028 * assuming that an error strategy for Runnables is in place. 029 * 030 * @author Juergen Hoeller 031 * @since 3.0.6 032 * @see org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor 033 */ 034public class ScheduledMethodRunnable implements Runnable { 035 036 private final Object target; 037 038 private final Method method; 039 040 041 public ScheduledMethodRunnable(Object target, Method method) { 042 this.target = target; 043 this.method = method; 044 } 045 046 public ScheduledMethodRunnable(Object target, String methodName) throws NoSuchMethodException { 047 this.target = target; 048 this.method = target.getClass().getMethod(methodName); 049 } 050 051 052 public Object getTarget() { 053 return this.target; 054 } 055 056 public Method getMethod() { 057 return this.method; 058 } 059 060 061 @Override 062 public void run() { 063 try { 064 ReflectionUtils.makeAccessible(this.method); 065 this.method.invoke(this.target); 066 } 067 catch (InvocationTargetException ex) { 068 ReflectionUtils.rethrowRuntimeException(ex.getTargetException()); 069 } 070 catch (IllegalAccessException ex) { 071 throw new UndeclaredThrowableException(ex); 072 } 073 } 074 075}