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package org.gvsig.fmap.dal.feature.spi;

import java.util.Iterator;

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

public interface FeatureSetProvider {

        boolean canFilter();

        boolean canOrder();

        boolean canIterateFromIndex();

        long getSize() throws DataException;

        boolean isEmpty() throws DataException;

        Iterator iterator() throws DataException;

        Iterator iterator(long index) throws DataException;

        Iterator fastIterator(long index) throws DataException;

        Iterator fastIterator() throws DataException;

}