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Cayenne Object Persistence Framework

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package org.apache.cayenne.property;

import org.apache.cayenne.Fault;
import org.apache.cayenne.Persistent;
import org.apache.cayenne.ValueHolder;

/**
 * A list property that is intended to work with
 * {@link org.apache.cayenne.access.ToManyList}.
 * 
 * @since 1.2
 * @author Andrus Adamchik
 */
public class ToManyListProperty extends ListProperty {

    public ToManyListProperty(ClassDescriptor owner, ClassDescriptor targetDescriptor,
            PropertyAccessor accessor, String reverseName) {
        super(owner, targetDescriptor, accessor, reverseName);
    }

    protected ValueHolder createCollectionValueHolder(Object object)
            throws PropertyAccessException {
        if (!(object instanceof Persistent)) {

            throw new PropertyAccessException(
                    "ValueHolders for non-persistent objects are not supported.",
                    this,
                    object);
        }

        return (ValueHolder) Fault.getToManyFault().resolveFault(
                (Persistent) object,
                getName());
    }
}