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Allow lazy loading of beans from the ApplicationContext if requested

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@18453 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
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Nick Burch
2010-02-04 14:35:49 +00:00
parent cdb8e6ef43
commit f2554d0f63
2 changed files with 94 additions and 2 deletions
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source/java/org/alfresco/util/LazyClassPathXmlApplicationContext.java Normal file
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/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.util;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.xml.BeanDefinitionParserDelegate;
import org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.beans.factory.xml.XmlReaderContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.w3c.dom.Element;
/**
* A wrapper around {@link ClassPathXmlApplicationContext} which forces
* all beans to be loaded lazily.
* You shouldn't do this in production, but it can be handy with
* unit tests, as it allows a quicker startup when you don't touch
* much of the application.
*
* @author Nick Burch
*/
public class LazyClassPathXmlApplicationContext extends
ClassPathXmlApplicationContext {
public LazyClassPathXmlApplicationContext(String[] configLocations)
throws BeansException {
super(configLocations);
}
protected void initBeanDefinitionReader(XmlBeanDefinitionReader reader) {
super.initBeanDefinitionReader(reader);
reader.setDocumentReaderClass(AlwaysLazyInitBeanDefinitionDocumentReader.class);
}
protected static class AlwaysLazyInitBeanDefinitionDocumentReader extends DefaultBeanDefinitionDocumentReader {
@Override
protected BeanDefinitionParserDelegate createHelper(
XmlReaderContext readerContext, Element root) {
BeanDefinitionParserDelegate helper = super.createHelper(readerContext, root);
helper.getDefaults().setLazyInit("true");
return helper;
}
}
}