/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU Affero General Public License as published by the Free Software Foundation, either version 3 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License along with this program. * If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.operator.nio.model; import javax.swing.table.TableModel; import com.rapidminer.operator.Operator; import com.rapidminer.operator.OperatorException; import com.rapidminer.operator.ports.metadata.ExampleSetMetaData; import com.rapidminer.tools.ProgressListener; /** * This is the interface for the factories of {@link DataResultSet}s. They usually store information * needed to create the result set like for example resource identifiers, queries and so on. From * that, they construct the result set. * * @author Sebastian Land, Simon Fischer */ public interface DataResultSetFactory extends AutoCloseable { /** Creates a result set. Make sure to call {@link #close()} after using this method. */ public DataResultSet makeDataResultSet(Operator operator) throws OperatorException; /** * This method has to return a table model that can be used for showing a preview. */ public TableModel makePreviewTableModel(ProgressListener listener) throws OperatorException, ParseException; /** * Returns the human readable name of the resource read (most often, this will be a file or * URL). */ public String getResourceName(); /** * Makes initial meta data. Only the number of rows should be filled in here. All other * information will later be added by {@link DataResultSetTranslationConfiguration} */ public ExampleSetMetaData makeMetaData(); /** Sets the configuration parameters in the given reader operator. */ public void setParameters(AbstractDataResultSetReader reader); /** Closes all resources associated with this factory without throwing an exception. */ @Override public void close(); }