/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.beans.metadata.plugins;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.HashSet;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlNsForm;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;
import org.jboss.beans.metadata.spi.BeanMetaData;
import org.jboss.beans.metadata.spi.LazyMetaData;
import org.jboss.beans.metadata.spi.MetaDataVisitor;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.beans.metadata.spi.ParameterMetaData;
import org.jboss.dependency.plugins.AbstractDependencyItem;
import org.jboss.dependency.spi.ControllerState;
import org.jboss.kernel.Kernel;
import org.jboss.kernel.spi.dependency.KernelController;
import org.jboss.xb.annotations.JBossXmlSchema;
/**
* Lazy metadata.
*
* @author <a href="mailto:ales.justin@jboss.com">Ales Justin</a>
*/
@JBossXmlSchema(namespace="urn:jboss:bean-deployer:2.0", elementFormDefault=XmlNsForm.QUALIFIED)
@XmlRootElement(name="lazy")
@XmlType(name="lazyType", propOrder={"interfaces"})
public class AbstractLazyMetaData extends AbstractBeanMetaData implements LazyMetaData
{
private static final long serialVersionUID = 2L;
private String beanName;
private boolean exposeClass;
private Set<String> interfaces;
private String factoryClassName;
public AbstractLazyMetaData()
{
setAutowireCandidate(false);
setFactoryClassName("org.jboss.kernel.spi.lazy.LazyProxyFactory");
}
public AbstractLazyMetaData(String beanName)
{
this();
this.beanName = beanName;
setName(beanName + "Proxy");
}
public Object getUnderlyingValue()
{
return beanName;
}
public void initialVisit(MetaDataVisitor vistor)
{
if (beanName == null)
throw new IllegalArgumentException("Null bean name.");
KernelController controller = (KernelController)vistor.getControllerContext().getController();
Kernel kernel = controller.getKernel();
AbstractConstructorMetaData constructor = new AbstractConstructorMetaData();
constructor.setFactoryClass(factoryClassName);
constructor.setFactoryMethod("getProxy");
List<ParameterMetaData> parameters = new ArrayList<ParameterMetaData>();
parameters.add(new AbstractParameterMetaData(kernel));
parameters.add(new AbstractParameterMetaData(beanName));
parameters.add(new AbstractParameterMetaData(Boolean.TYPE.getName(), exposeClass));
parameters.add(new AbstractParameterMetaData(new AbstractValueMetaData(interfaces)));
constructor.setParameters(parameters);
setConstructor(constructor);
// we just need the original bean to be present --> Not_Installed state
vistor.addDependency(new AbstractDependencyItem(getName(), beanName, ControllerState.INSTANTIATED, ControllerState.NOT_INSTALLED));
super.initialVisit(vistor);
}
public Iterator<? extends MetaDataVisitorNode> getChildren()
{
return null;
}
public List<BeanMetaData> getBeans()
{
return Collections.singletonList((BeanMetaData)this);
}
protected void setFactoryClassName(String factoryClassName)
{
this.factoryClassName = factoryClassName;
}
public String getBeanName()
{
return beanName;
}
@XmlAttribute(name="bean")
public void setBeanName(String beanName)
{
this.beanName = beanName;
if (getName() == null)
setName(beanName + "Proxy");
}
public boolean isExposeClass()
{
return exposeClass;
}
@XmlAttribute(name="exposeClass")
public void setExposeClass(boolean exposeClass)
{
this.exposeClass = exposeClass;
}
public Set<String> getInterfaces()
{
return interfaces;
}
@XmlElement(name="interface", type=String.class)
public void setInterfaces(Set<String> interfaces)
{
this.interfaces = interfaces;
}
public AbstractLazyMetaData clone()
{
AbstractLazyMetaData clone = (AbstractLazyMetaData)super.clone();
if (interfaces != null)
clone.setInterfaces(new HashSet<String>(interfaces));
return clone;
}
}