MyDatabase

MyDatabase.java

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;

import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.support.ConnectionSource;
import com.j256.ormlite.table.TableUtils;

import java.sql.SQLException;

import javax.inject.Inject;
import javax.inject.Singleton;

@Singleton
public class MyDatabase extends OrmLiteSqliteOpenHelper {

    private static final String DATABASE_NAME = "MyDatabase.db";
    private static final int DATABASE_VERSION = 2;

    private Dao<TokenTable, String> token_dao;

    @Inject public MyDatabase(Context context) {
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }

    @Override public void onCreate(SQLiteDatabase database, ConnectionSource connectionSource) {
        try {
            TableUtils.createTable(connectionSource, TokenTable.class);
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    @Override public void onUpgrade(SQLiteDatabase database,
                                    ConnectionSource connectionSource,
                                    int oldVersion, int newVersion) {
        try {
            TableUtils.dropTable(connectionSource, TokenTable.class, true);
            TableUtils.createTable(connectionSource, TokenTable.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public Dao<TokenTable, String> getTokenTableDao() {
        try {
            if (token_dao == null) {
                token_dao = getDao(TokenTable.class);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return api_token_dao;
    }

}