ingo@1127: /*
ingo@1127:  * Copyright (c) 2010 by Intevation GmbH
ingo@1127:  *
ingo@1127:  * This program is free software under the LGPL (>=v2.1)
ingo@1127:  * Read the file LGPL.txt coming with the software for details
ingo@1127:  * or visit http://www.gnu.org/licenses/ if it does not exist.
ingo@1127:  */
ingo@1127: 
sascha@894: package de.intevation.gnv.geobackend.sde.datasources;
sascha@894: 
sascha@894: import org.apache.log4j.Logger;
sascha@894: 
sascha@894: /**
sascha@894:  * The class <code>ResultSet</code> fulfills the following purposes:
sascha@894:  * <ol>
sascha@894:  * <li>Providing an abstract object for dealing with result sets.</li>
sascha@894:  * </ol>
sascha@894:  *
sascha@894:  * @author blume
sascha@894:  * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
sascha@894:  */
sascha@894: public abstract class ResultSet implements java.sql.ResultSet {
sascha@894: 
sascha@894:     /**
sascha@894:      * Default Logging instance
sascha@894:      */
sascha@894:     private static Logger sLogger = Logger.getLogger(ResultSet.class);
sascha@894: 
sascha@894:     /**
sascha@894:      * Returns the number of hits.
sascha@894:      * @return count of results.
sascha@894:      */
sascha@894:     public abstract int getCount();
sascha@894: 
sascha@894:     /**
sascha@894:      * Returns the number of columns returned through the query.
sascha@894:      * @return the number of columns.
sascha@894:      */
sascha@894:     public abstract int getNumberOfColumns();
sascha@894: 
sascha@894:     /**
sascha@894:      * A ResultSet can tell about the concrete definition of each column.
sascha@894:      * This method returns an array of ColDefinition-Objects.
sascha@894:      * @return the definitions describing the result set.
sascha@894:      */
sascha@894:     public abstract ColDefinition[] getColumnDefinitions();
sascha@894: 
sascha@894:     /**
sascha@894:      * Returns an array of Rows. The rows contain the "content" of the current ResultSet.
sascha@894:      *
sascha@894:      * @return the results itself.
sascha@894:      */
sascha@894:     public abstract Row[] getResults();
sascha@894: 
sascha@894: }