Application: gvSIG desktop

public class FeatureQueryOrder implements Persistent, Cloneable {

    public class FeatureQueryOrderMember implements Persistent, org.gvsig.tools.lang.Cloneable {

        String attributeName = null;

        Evaluator evaluator = null;

        boolean ascending;

        FeatureQueryOrderMember(String attributeName, boolean ascending) {

            this.attributeName = attributeName;

            this.ascending = ascending;

        }

        FeatureQueryOrderMember(Evaluator evaluator, boolean ascending) {

            this.evaluator = evaluator;

            this.ascending = ascending;

        }

        public boolean hasEvaluator() {

            return this.evaluator != null;

        }

        public Evaluator getEvaluator() {

            return this.evaluator;

        }

        public boolean getAscending() {

            return this.ascending;

        }

        public String getAttributeName() {

            return this.attributeName;

        }

        @Override

        public void loadFromState(PersistentState state)

                throws PersistenceException {

            this.attributeName = state.getString("attributeName");

            this.ascending = state.getBoolean("ascending");

            this.evaluator = (Evaluator) state.get("evaluator");

        }

        @Override

        public void saveToState(PersistentState state)

                throws PersistenceException {

            state.set("attributeName", this.attributeName);

            state.set("ascending", this.ascending);

            if (this.evaluator != null) {

                state.set("evaluator", evaluator);

            }

        }

        @Override

        public FeatureQueryOrderMember clone() throws CloneNotSupportedException {

            // Nothing more to clone

            return (FeatureQueryOrderMember) super.clone();

        }

    }

    public FeatureQueryOrder() {

    }

    public Iterable<FeatureQueryOrderMember> members() {

        //    Me hubiese gustado que FeatureQueryOrder fuese Iterable, pero no se deja por 

        //    que FeatureQueryOrderMember es una clase interna y no esta definida en el 

        //    momento de poner el :

        //            implements Iterable<FeatureQueryOrderMember>

        //    Y si saco a una clase independiente FeatureQueryOrderMember se pierde 

        //    compatibilidad binaria con quien la esta usando.

        //    Para rodearlo, he creado el metodo members.

        return new Iterable<FeatureQueryOrderMember> () {

            @Override

            public Iterator<FeatureQueryOrderMember> iterator() {

                return FeatureQueryOrder.this.iterator();

            }

        };

    }

        if (members == null) {