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 * Copyright 2002-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
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package org.springframework.scheduling.support;

import java.lang.reflect.InvocationTargetException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.beans.factory.BeanClassLoaderAware;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.support.ArgumentConvertingMethodInvoker;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;

Adapter that implements the Runnable interface as a configurable method invocation based on Spring's MethodInvoker.

Inherits common configuration properties from MethodInvoker.

Author:Juergen Hoeller
See Also:
Since:1.2.4
/** * Adapter that implements the {@link Runnable} interface as a configurable * method invocation based on Spring's MethodInvoker. * * <p>Inherits common configuration properties from * {@link org.springframework.util.MethodInvoker}. * * @author Juergen Hoeller * @since 1.2.4 * @see java.util.concurrent.Executor#execute(Runnable) */
public class MethodInvokingRunnable extends ArgumentConvertingMethodInvoker implements Runnable, BeanClassLoaderAware, InitializingBean { protected final Log logger = LogFactory.getLog(getClass()); @Nullable private ClassLoader beanClassLoader = ClassUtils.getDefaultClassLoader(); @Override public void setBeanClassLoader(ClassLoader classLoader) { this.beanClassLoader = classLoader; } @Override protected Class<?> resolveClassName(String className) throws ClassNotFoundException { return ClassUtils.forName(className, this.beanClassLoader); } @Override public void afterPropertiesSet() throws ClassNotFoundException, NoSuchMethodException { prepare(); } @Override public void run() { try { invoke(); } catch (InvocationTargetException ex) { logger.error(getInvocationFailureMessage(), ex.getTargetException()); // Do not throw exception, else the main loop of the scheduler might stop! } catch (Throwable ex) { logger.error(getInvocationFailureMessage(), ex); // Do not throw exception, else the main loop of the scheduler might stop! } }
Build a message for an invocation failure exception.
Returns:the error message, including the target method name etc
/** * Build a message for an invocation failure exception. * @return the error message, including the target method name etc */
protected String getInvocationFailureMessage() { return "Invocation of method '" + getTargetMethod() + "' on target class [" + getTargetClass() + "] failed"; } }