/** {@inheritDoc} */
public DtoParentContext dtoParent(final String primaryKeyFieldName) {
this.dtoParent = true;
this.dtoParentPrimaryKey = primaryKeyFieldName;
return new DtoParentContext() {
public DtoFieldContext retriever(final String retriever) {
DtoFieldContextImpl.this.dtoParentRetriever = retriever;
return DtoFieldContextImpl.this;
}
};