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Startup.java
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Startup.java
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package sample;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.PreparedStatement;
import java.sql.SQLException;
/**
* Created by Nykyta on 8/22/2017.
*/
public class Startup {
static void startup(){
checkIfNotFistRun();
Database.instantiateTables();
}
static void checkIfNotFistRun(){
Path secretNumbersPath= Paths.get("secretNumbers.db");
if(Files.exists(secretNumbersPath)){
Database.connectDatabase("jdbc:sqlite:secretNumbers.db");
return;
}
else{
//First use script
Database.connectDatabase("jdbc:sqlite:secretNumbers.db");
try{
PreparedStatement preparedFormula=Database.c.prepareStatement("CREATE TABLE Formulas (ID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL ,FormulaName TEXT NOT NULL,Formula TEXT NOT NULL, OutputUnit TEXT NOT NULL)");
preparedFormula.execute();
PreparedStatement preparedParameters =Database.c.prepareStatement("CREATE TABLE Parameters (ID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,FormulaName TEXT NOT NULL, Parameter TEXT NOT NULL, Unit TEXT NOT NULL)");
preparedParameters.execute();
PreparedStatement preparedUnits=Database.c.prepareStatement("CREATE TABLE Units (ID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,Unit TEXT NOT NULL,Range TEXT NOT NULL,Relation REAL NOT NULL)");
preparedUnits.execute();
///////
Database.addUnit("UA","UA",1.0);
}
catch(SQLException e){
e.printStackTrace();
}
}
}
}