// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/layer/vpf/PrimitiveTable.java,v $// $RCSfile: PrimitiveTable.java,v $// $Revision: 1.3.2.1 $// $Date: 2004/10/14 18:27:21 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.layer.vpf;import java.util.List;import com.bbn.openmap.LatLonPoint;import com.bbn.openmap.io.FormatException;/** * Parent class for reading VPF primitive tables. */public abstract class PrimitiveTable extends DcwRecordFile {    /** the coverage table that we are working for */    final protected CoverageTable covtable;    /** the id column position */    final protected int idColumn;    /** the tile we are for */    final protected TileDirectory tile;    /**     * Construct a PrimitiveTable.     *      * @param cov the coverage table that is our "parent"     * @param tile the tile for the table     * @param tablename must be a 3 character VPF tablename     * @exception FormatException if something goes wrong opening the     *            file     */    public PrimitiveTable(CoverageTable cov, TileDirectory tile,            String tablename) throws FormatException {        super(cov.getDataPath() + tile.getPath() + tablename                + (cov.appendDot ? "." : ""));        this.idColumn = whatColumn(Constants.ID);        this.covtable = cov;        this.tile = tile;    }    /**     * Get the coverage table that we are working on.     */    public CoverageTable getCoverageTable() {        return covtable;    }    /**     * Gets the id column value for the row.     */    public int getID(List l) {        return ((Number) l.get(idColumn)).intValue();    }    /**     * Gets the tile we are for.     */    public TileDirectory getTileDirectory() {        return tile;    }    /**     * Parse the records for this tile, calling warehouse.createXXXX     * once for each record.     *      * @param warehouse the warehouse used for createArea calls (must     *        not be null)     * @param dpplat threshold for latitude thinning (passed to     *        warehouse)     * @param dpplon threshold for longitude thinngin (passed to     *        warehouse)     * @param ll1 upperleft of selection region (passed to warehouse)     * @param ll2 lowerright of selection region (passed to warehouse)     *        (passed to warehouse)     * @see VPFGraphicWarehouse     */    abstract public void drawTile(VPFGraphicWarehouse warehouse, float dpplat,                                  float dpplon, LatLonPoint ll1, LatLonPoint ll2);    /**     * Use the warehouse to create a graphic from a feature in the     * AreaTable.     *      * @param warehouse the warehouse used for createXXXX calls (must     *        not be null)     * @param dpplat threshold for latitude thinning (passed to     *        warehouse)     * @param dpplon threshold for longitude thinngin (passed to     *        warehouse)     * @param ll1 upperleft of selection region (passed to warehouse)     * @param ll2 lowerright of selection region (passed to warehouse)     * @param area a List containing the AreaTable row contents.     * @param featureType the string representing the feature type, in     *        case the warehouse wants to do some intelligent     *        rendering.     * @see VPFGraphicWarehouse#createEdge     */    abstract public void drawFeature(VPFFeatureWarehouse warehouse,                                     float dpplat, float dpplon,                                     LatLonPoint ll1, LatLonPoint ll2,                                     List area, String featureType);}