/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.EventBeanReader;
import java.util.ArrayList;
import java.util.List;
/**
* Reader for fast access to all event properties for an event backed by a Java object.
*/
public class BeanEventBeanReader implements EventBeanReader
{
private BeanEventPropertyGetter[] getterArray;
/**
* Ctor.
* @param type the type of read
*/
public BeanEventBeanReader(BeanEventType type)
{
String[] properties = type.getPropertyNames();
List<BeanEventPropertyGetter> getters = new ArrayList<BeanEventPropertyGetter>();
for (String property : properties)
{
BeanEventPropertyGetter getter = (BeanEventPropertyGetter) type.getGetter(property);
if (getter != null)
{
getters.add(getter);
}
}
getterArray = getters.toArray(new BeanEventPropertyGetter[getters.size()]);
}
public Object[] read(EventBean theEvent)
{
Object underlying = theEvent.getUnderlying();
Object[] values = new Object[getterArray.length];
for (int i = 0; i < getterArray.length; i++)
{
values[i] = getterArray[i].getBeanProp(underlying);
}
return values;
}
}