/**
* 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 com.rapidminer.example.ExampleSet;
import com.rapidminer.operator.OperatorException;
import com.rapidminer.operator.nio.ImportWizardUtils;
import com.rapidminer.repository.RepositoryLocation;
import com.rapidminer.tools.LogService;
import com.rapidminer.tools.ProgressListener;
import java.util.logging.Level;
/**
* The complete state of a data import wizard. Steps of the wizard communicate through this
* interface.
*
* @author Simon Fischer
*
*/
public class WizardState {
private final DataResultSetTranslator translator;
private final DataResultSetTranslationConfiguration config;
private final DataResultSetFactory dataResultSetFactory;
private final AbstractDataResultSetReader operator;
private final int maxRows = ImportWizardUtils.getPreviewLength();
private RepositoryLocation selectedLocation;
public WizardState(AbstractDataResultSetReader operator, DataResultSetFactory dataResultSetFactory) {
super();
this.config = new DataResultSetTranslationConfiguration(operator);
this.translator = new DataResultSetTranslator(operator);
this.operator = operator;
this.dataResultSetFactory = dataResultSetFactory;
}
public DataResultSetTranslator getTranslator() {
return translator;
}
public DataResultSetTranslationConfiguration getTranslationConfiguration() {
return config;
}
public DataResultSetFactory getDataResultSetFactory() {
return dataResultSetFactory;
}
public ExampleSet readNow(DataResultSet dataResultSet, boolean previewOnly, ProgressListener progressListener)
throws OperatorException {
// LogService.getRoot().info("Reading example set...");
LogService.getRoot().log(Level.INFO, "com.rapidminer.operator.nio.model.WizardState.reading_example_set");
final DataResultSetTranslator translator = getTranslator();
try {
ExampleSet cachedExampleSet = translator.read(dataResultSet, getTranslationConfiguration(), previewOnly,
progressListener);
return cachedExampleSet;
} finally {
translator.close();
}
}
public int getNumberOfPreviewRows() {
return maxRows;
}
public AbstractDataResultSetReader getOperator() {
return operator;
}
public void setSelectedLocation(RepositoryLocation selectedLocation) {
this.selectedLocation = selectedLocation;
}
public RepositoryLocation getSelectedLocation() {
return selectedLocation;
}
}