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svn-gvsig-desktop / tags / v1_0_1_RELEASE / applications / appgvSIG / src / com / iver / cit / gvsig / gui / filter / DefaultExpressionDataSource.java @ 9531

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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig.gui.filter;
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import com.hardcode.gdbms.engine.data.driver.DriverException;
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import com.hardcode.gdbms.engine.values.Value;
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource;
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/**
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 * DOCUMENT ME!
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 *
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 * @author Fernando Gonz?lez Cort?s
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 */
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public class DefaultExpressionDataSource implements ExpressionDataSource {
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    private SelectableDataSource tabla = null;
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    /**
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     * DOCUMENT ME!
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     *
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     * @param table DOCUMENT ME!
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     */
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    public void setTable(SelectableDataSource table) {
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        this.tabla = table;
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    }
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    public void start() throws DriverException
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    {
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        tabla.start();
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    }
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    public void stop() throws DriverException
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    {
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        tabla.stop();
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @param idField
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     *
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     * @return
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     * @throws FilterException
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     */
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    public String getFieldName(int idField) throws FilterException {
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        try {
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                        return tabla.getFieldName(idField);
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                } catch (DriverException e) {
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                        throw new FilterException(e);
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                }
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @return
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     * @throws FilterException
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     */
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    public int getFieldCount() throws FilterException {
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        try {
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                        return tabla.getFieldCount();
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                } catch (DriverException e) {
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                        throw new FilterException(e);
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                }
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @param field
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     *
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     * @return
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     * @throws FilterException
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     */
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    public Value getFieldValue(int row, int field) throws FilterException {
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            try {
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                        return tabla.getFieldValue((long) row, field);
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                } catch (DriverException e) {
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                        throw new FilterException(e);
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                }
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    }
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        /**
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         * @see com.iver.cit.gvsig.gui.filter.ExpressionDataSource#getRowCount()
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         */
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        public int getRowCount() throws FilterException {
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                try {
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                        return (int) tabla.getRowCount();
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                } catch (DriverException e) {
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                        throw new FilterException(e);
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                }
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        }
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        /**
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         * @see com.iver.cit.gvsig.gui.filter.ExpressionDataSource#getDataSourceName()
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         */
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        public String getDataSourceName() {
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                return tabla.getName();
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        }
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}