/************************************************************************************** * 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.asper.sources.net.sf.cglib.reflect.FastMethod; import com.espertech.esper.client.EventBean; import com.espertech.esper.client.PropertyAccessException; import com.espertech.esper.event.EventAdapterService; import com.espertech.esper.event.EventPropertyGetterAndIndexed; import com.espertech.esper.event.EventPropertyGetterAndMapped; import com.espertech.esper.event.vaevent.PropertyUtility; import java.lang.reflect.InvocationTargetException; /** * Getter for a key property identified by a given key value, using the CGLIB fast method. */ public class KeyedFastPropertyGetter extends BaseNativePropertyGetter implements BeanEventPropertyGetter, EventPropertyGetterAndMapped, EventPropertyGetterAndIndexed { private final FastMethod fastMethod; private final Object key; /** * Constructor. * @param fastMethod is the method to use to retrieve a value from the object. * @param key is the key to supply as parameter to the mapped property getter * @param eventAdapterService factory for event beans and event types */ public KeyedFastPropertyGetter(FastMethod fastMethod, Object key, EventAdapterService eventAdapterService) { super(eventAdapterService, fastMethod.getReturnType(), null); this.key = key; this.fastMethod = fastMethod; } public boolean isBeanExistsProperty(Object object) { return true; // Property exists as the property is not dynamic (unchecked) } public final Object get(EventBean obj) throws PropertyAccessException { return getBeanProp(obj.getUnderlying()); } public Object getBeanProp(Object object) throws PropertyAccessException { return getBeanPropInternal(object, key); } public Object get(EventBean eventBean, String mapKey) throws PropertyAccessException { return getBeanPropInternal(eventBean.getUnderlying(), mapKey); } public Object get(EventBean eventBean, int index) throws PropertyAccessException { return getBeanPropInternal(eventBean.getUnderlying(), index); } public Object getBeanPropInternal(Object object, Object key) throws PropertyAccessException { try { return fastMethod.invoke(object, new Object[] {key}); } catch (ClassCastException e) { throw PropertyUtility.getMismatchException(fastMethod.getJavaMethod(), object, e); } catch (InvocationTargetException e) { throw PropertyUtility.getInvocationTargetException(fastMethod.getJavaMethod(), e); } } public String toString() { return "KeyedFastPropertyGetter " + " fastMethod=" + fastMethod.toString() + " key=" + key; } public boolean isExistsProperty(EventBean eventBean) { return true; // Property exists as the property is not dynamic (unchecked) } }