package org.andromda.metafacades.emf.uml2;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Transformer;
import org.eclipse.uml2.InstanceValue;
import java.util.ArrayList;
import java.util.Collection;
/**
* MetafacadeLogic implementation for org.andromda.metafacades.uml.LinkEndFacade.
*
* @see org.andromda.metafacades.uml.LinkEndFacade
*/
public class LinkEndFacadeLogicImpl extends LinkEndFacadeLogic
{
public LinkEndFacadeLogicImpl(LinkEnd metaObject, String context)
{
super(metaObject, context);
}
/**
* @see org.andromda.metafacades.uml.LinkEndFacade#getInstance()
*/
protected java.lang.Object handleGetInstance()
{
final Collection values = this.getInstances();
return values.isEmpty() ? null : values.iterator().next();
}
/**
* @see org.andromda.metafacades.uml.LinkEndFacade#getInstances()
*/
protected java.util.Collection handleGetInstances()
{
final Collection values = new ArrayList(this.metaObject.getValues());
CollectionUtils.transform(values, new Transformer()
{
public Object transform(Object object)
{
return UmlUtilities.ELEMENT_TRANSFORMER.transform(((InstanceValue)object).getInstance());
}
});
return values;
}
/**
* @see org.andromda.metafacades.uml.LinkEndFacade#getAssociationEnd()
*/
protected java.lang.Object handleGetAssociationEnd()
{
return UmlUtilities.ELEMENT_TRANSFORMER.transform(this.metaObject.getDefiningFeature());
}
/**
* @see org.andromda.metafacades.uml.LinkEndFacade#getLink()
*/
protected java.lang.Object handleGetLink()
{
return UmlUtilities.ELEMENT_TRANSFORMER.transform(this.metaObject.getOwner());
}
}