hu.bme.mit.trainbenchmark.benchmark.sqlite.driver.SQLiteDriver.java Source code

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Here is the source code for hu.bme.mit.trainbenchmark.benchmark.sqlite.driver.SQLiteDriver.java

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/*******************************************************************************
 * Copyright (c) 2010-2015, Benedek Izso, Gabor Szarnyas, Istvan Rath and Daniel Varro
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Benedek Izso - initial API and implementation
 *   Gabor Szarnyas - initial API and implementation
 *******************************************************************************/
package hu.bme.mit.trainbenchmark.benchmark.sqlite.driver;

import java.io.File;
import java.io.IOException;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;

import org.apache.commons.io.FileUtils;

import hu.bme.mit.trainbenchmark.benchmark.sql.driver.SqlDriver;

public class SQLiteDriver extends SqlDriver {

    @Override
    public void read(final String modelPath) throws IOException, InterruptedException, SQLException {
        final File modelFile = new File(modelPath);
        if (!modelFile.exists()) {
            throw new IOException("Model does not exist: " + modelPath);
        }

        connection = DriverManager.getConnection("jdbc:sqlite::memory:");
        final Statement statement = connection.createStatement();
        statement.setQueryTimeout(3600);

        final String sql = FileUtils.readFileToString(new File(modelPath));
        statement.executeUpdate(sql);

        // create temporary table (used by the transformations)
        final PreparedStatement createStatement = connection
                .prepareStatement("CREATE TEMP TABLE IF NOT EXISTS Variables (Name TEXT PRIMARY KEY, Value LONG);");
        createStatement.execute();
    }

    @Override
    public String getPostfix() {
        return "-sqlite.sql";
    }

    public String getSQLiteResourceDirectory() {
        return "/trainbenchmark-tool-sqlite/src/main/resources/";
    }

}