Application: gvSIG desktop

package org.gvsig.fmap.dal.feature;

import org.gvsig.tools.evaluator.Evaluator;

import org.gvsig.tools.persistence.Persistent;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

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();

        }

}