Mercurial > dive4elements > gnv-client
annotate geo-backend/src/main/java/de/intevation/gnv/geobackend/sde/datasources/ResultSet.java @ 1145:dfe1ac687c7f tip
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author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 28 Sep 2012 12:16:15 +0200 |
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1 /* |
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2 * Copyright (c) 2010 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 |
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9 package de.intevation.gnv.geobackend.sde.datasources; |
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10 |
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11 import org.apache.log4j.Logger; |
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12 |
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13 /** |
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14 * The class <code>ResultSet</code> fulfills the following purposes: |
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15 * <ol> |
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16 * <li>Providing an abstract object for dealing with result sets.</li> |
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17 * </ol> |
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18 * |
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19 * @author blume |
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20 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> |
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21 */ |
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22 public abstract class ResultSet implements java.sql.ResultSet { |
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23 |
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24 /** |
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25 * Default Logging instance |
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26 */ |
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27 private static Logger sLogger = Logger.getLogger(ResultSet.class); |
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28 |
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29 /** |
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30 * Returns the number of hits. |
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31 * @return count of results. |
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32 */ |
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33 public abstract int getCount(); |
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34 |
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35 /** |
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36 * Returns the number of columns returned through the query. |
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37 * @return the number of columns. |
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38 */ |
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39 public abstract int getNumberOfColumns(); |
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40 |
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41 /** |
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42 * A ResultSet can tell about the concrete definition of each column. |
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43 * This method returns an array of ColDefinition-Objects. |
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44 * @return the definitions describing the result set. |
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45 */ |
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46 public abstract ColDefinition[] getColumnDefinitions(); |
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47 |
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48 /** |
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49 * Returns an array of Rows. The rows contain the "content" of the current ResultSet. |
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50 * |
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51 * @return the results itself. |
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52 */ |
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53 public abstract Row[] getResults(); |
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54 |
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55 } |