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package org.gvsig.fmap.dal.feature;

import java.util.Iterator;

import java.util.List;

import org.gvsig.fmap.dal.DataSet;

import org.gvsig.fmap.dal.exceptions.DataException;

public interface FeatureSet extends DataSet {

        public FeatureType getDefaultFeatureType();

        public List getFeatureTypes();

    public long getSize() throws DataException;

        /**

         * Returns an iterator over the elements in this collection, in the order

         * (if any) defined when the collection was obtained.

         *

         * The iterator starts at the specified position in this collection. The

         * specified index indicates the first element that would be returned by an

         * initial call to the <tt>next</tt> method. An initial call to the

         * <tt>previous</tt> method would return the element with the specified

         * index minus one.

         *

         * @param index

         *            index of first element to be returned from the iterator (by a

         *            call to the <tt>next</tt> method).

         * @return an iterator of the elements in this collection (in proper

         *         sequence), starting at the specified position in the collection.

         * @throws IndexOutOfBoundsException

         *             if the index is out of range (index < 0 || index >

         *             size()).

         */

        Iterator iterator(long index) throws DataException;

        Iterator iterator() throws DataException;

        boolean isEmpty() throws DataException;

        public Iterator fastIterator() throws DataException;

        public Iterator fastIterator(long index) throws DataException;

}