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package org.glassfish.config.support;
import org.glassfish.api.admin.AdminCommandContext;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.TransactionFailure;
import java.beans.PropertyVetoException;
/**
* A decorator for acting upon a configuration element deletion.
*
* @param the deleted element parent type
* @param the deleted element
*
* @author Jerome Dochez
*/
@PerLookup
public interface DeletionDecorator {
/**
* notification of a configuration element of type U deletion.
*
* Note that this notification is called within the boundaries of the
* configuration transaction, therefore the parent instance is a
* writable copy and further changes to the parent can be made without
* enrolling it inside a transaction.
*
* @param context the command context to lead to the element deletion
* @param parent the parent instance the element was removed from
* @param child the deleted instance
*/
public void decorate(AdminCommandContext context, T parent, U child) throws TransactionFailure, PropertyVetoException;
@Service
public static class NoDecoration implements DeletionDecorator {
@Override
public void decorate(AdminCommandContext context, ConfigBeanProxy parent, ConfigBeanProxy child) throws TransactionFailure, PropertyVetoException {
// do nothing.
}
}
}