net.officefloor.tutorial.threadaffinityhttpserver.Setup Maven / Gradle / Ivy

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/*
 * OfficeFloor - http://www.officefloor.net
 * Copyright (C) 2005-2018 Daniel Sagenschneider
 *
 * 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 .
 */
package net.officefloor.tutorial.threadaffinityhttpserver;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * Setup database.
 * 
 * @author Daniel Sagenschneider
 */
public class Setup {

	public void setup(Connection connection) throws SQLException {
		try {
			connection.createStatement().executeQuery("SELECT COUNT(*) AS CPU_COUNT FROM CPU");
			return; // table exists with the rows
		} catch (SQLException ex) {
			connection.createStatement().executeUpdate("CREATE TABLE CPU ( ID IDENTITY, CPU_NUMBER INT)");
			PreparedStatement insert = connection.prepareStatement("INSERT INTO CPU ( CPU_NUMBER ) VALUES ( ? )");
			for (int i = 0; i < Runtime.getRuntime().availableProcessors(); i++) {
				insert.setInt(1, i);
				insert.executeUpdate();
			}
		}
	}

}