/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.event.bean;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.event.EventPropertyWriter;
import net.sf.cglib.reflect.FastMethod;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.reflect.InvocationTargetException;
/**
* Writer for a property to an event.
*/
public class BeanEventPropertyWriter implements EventPropertyWriter {
private static final Logger log = LoggerFactory.getLogger(BeanEventPropertyWriter.class);
private final Class clazz;
private final FastMethod writerMethod;
/**
* Ctor.
*
* @param clazz to write to
* @param writerMethod write method
*/
public BeanEventPropertyWriter(Class clazz, FastMethod writerMethod) {
this.clazz = clazz;
this.writerMethod = writerMethod;
}
public void write(Object value, EventBean target) {
invoke(new Object[]{value}, target.getUnderlying());
}
public void writeValue(Object value, Object target) {
invoke(new Object[]{value}, target);
}
protected void invoke(Object[] values, Object target) {
try {
writerMethod.invoke(target, values);
} catch (InvocationTargetException e) {
String message = "Unexpected exception encountered invoking setter-method '" + writerMethod.getJavaMethod() + "' on class '" +
clazz.getName() + "' : " + e.getTargetException().getMessage();
log.error(message, e);
}
}
}