1.1 --- a/java/sql-dk/src/info/globalcode/sql/dk/formatting/TabularPrefetchingFormatter.java	Mon Mar 04 17:06:42 2019 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,119 +0,0 @@
     1.4 -/**
     1.5 - * SQL-DK
     1.6 - * Copyright © 2013 František Kučera (frantovo.cz)
     1.7 - *
     1.8 - * This program is free software: you can redistribute it and/or modify
     1.9 - * it under the terms of the GNU General Public License as published by
    1.10 - * the Free Software Foundation, either version 3 of the License, or
    1.11 - * (at your option) any later version.
    1.12 - *
    1.13 - * This program is distributed in the hope that it will be useful,
    1.14 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    1.16 - * GNU General Public License for more details.
    1.17 - *
    1.18 - * You should have received a copy of the GNU General Public License
    1.19 - * along with this program. If not, see <http://www.gnu.org/licenses/>.
    1.20 - */
    1.21 -package info.globalcode.sql.dk.formatting;
    1.22 -
    1.23 -import java.util.ArrayList;
    1.24 -import java.util.List;
    1.25 -
    1.26 -/**
    1.27 - * <p>
    1.28 - * Prefetches whole result set and computes column widths. Whole table is flushed at once in
    1.29 - * {@linkplain #writeEndResultSet()}.
    1.30 - * </p>
    1.31 - *
    1.32 - * <p>
    1.33 - * Long values will not overflow the cells, but whole result set must be loaded into the memory.
    1.34 - * </p>
    1.35 - *
    1.36 - * @author Ing. František Kučera (frantovo.cz)
    1.37 - */
    1.38 -public class TabularPrefetchingFormatter extends TabularFormatter {
    1.39 -
    1.40 -	public static final String NAME = "tabular-prefetching"; // bash-completion:formatter
    1.41 -	private ColumnsHeader currentHeader;
    1.42 -	private List<Object[]> currentResultSet;
    1.43 -	private Object[] currentRow;
    1.44 -	private int currentColumnsCount;
    1.45 -	private boolean prefetchDone = false;
    1.46 -
    1.47 -	public TabularPrefetchingFormatter(FormatterContext formatterContext) {
    1.48 -		super(formatterContext);
    1.49 -	}
    1.50 -
    1.51 -	@Override
    1.52 -	protected int getCurrentColumnsCount() {
    1.53 -		if (prefetchDone) {
    1.54 -			return super.getCurrentColumnsCount();
    1.55 -		} else {
    1.56 -			return currentColumnsCount;
    1.57 -		}
    1.58 -	}
    1.59 -
    1.60 -	@Override
    1.61 -	public void writeStartResultSet(ColumnsHeader header) {
    1.62 -		currentResultSet = new ArrayList<>();
    1.63 -		currentHeader = header;
    1.64 -		initColumnWidths(header.getColumnCount());
    1.65 -	}
    1.66 -
    1.67 -	@Override
    1.68 -	public void writeStartRow() {
    1.69 -		currentRow = new Object[currentHeader.getColumnCount()];
    1.70 -		currentResultSet.add(currentRow);
    1.71 -		currentColumnsCount = 0;
    1.72 -	}
    1.73 -
    1.74 -	@Override
    1.75 -	public void writeColumnValue(Object value) {
    1.76 -		currentRow[currentColumnsCount] = value;
    1.77 -		currentColumnsCount++;
    1.78 -		String textRepresentation = toString(value);
    1.79 -		/** TODO: count only printable characters (currently not an issue) */
    1.80 -		updateColumnWidth(currentColumnsCount, textRepresentation.length());
    1.81 -	}
    1.82 -
    1.83 -	@Override
    1.84 -	public void writeEndRow() {
    1.85 -		// do nothing
    1.86 -	}
    1.87 -
    1.88 -	@Override
    1.89 -	public void writeEndResultSet() {
    1.90 -		prefetchDone = true;
    1.91 -
    1.92 -		postprocessPrefetchedResultSet(currentHeader, currentResultSet);
    1.93 -
    1.94 -		super.writeStartResultSet(currentHeader);
    1.95 -
    1.96 -		for (Object[] row : currentResultSet) {
    1.97 -			super.writeStartRow();
    1.98 -			for (Object cell : row) {
    1.99 -				super.writeColumnValue(cell);
   1.100 -			}
   1.101 -			super.writeEndRow();
   1.102 -		}
   1.103 -
   1.104 -		currentColumnsCount = 0;
   1.105 -		currentHeader = null;
   1.106 -		currentRow = null;
   1.107 -		currentResultSet = null;
   1.108 -		super.writeEndResultSet();
   1.109 -		prefetchDone = false;
   1.110 -	}
   1.111 -
   1.112 -	/**
   1.113 -	 * Optional post-processing – override in sub-classes if needed.
   1.114 -	 * Don't forget to {@linkplain #updateColumnWidth(int, int)}
   1.115 -	 *
   1.116 -	 * @param currentHeader
   1.117 -	 * @param currentResultSet
   1.118 -	 */
   1.119 -	protected void postprocessPrefetchedResultSet(ColumnsHeader currentHeader, List<Object[]> currentResultSet) {
   1.120 -	}
   1.121 -
   1.122 -}