es.imim.DisGeNET.database

Class DatabaseManagerImpl

java.lang.Object

es.imim.DisGeNET.database.DatabaseManagerImpl

All Implemented Interfaces:

DatabaseManager

public class DatabaseManagerImpl
extends Object
implements DatabaseManager

Implementation of the DatabaseManager to handle db connection If SQLite DB file cannot be found in chosen folder be it will automatically downloaded from our server

Author:

michael

Method Summary

Modifier and Type	Method and Description
boolean	checkDBFile() Checks for presence of database file in defined folder and downloads it if not present
Status	close() Closes the database connection.
Connection	getCon() Gets the connection to the database.
String	getDatabaseHost()
static DatabaseManagerImpl	getInstance() Singleton implementation of the database class.
Status	init() Initializes the database connection.
void	setDatabaseLocal()
void	setDatabaseRemote()
String	setDBFolder() Allows to change the preference settings for the database folder
boolean	setMySQLparameters(String host, String user, String pass, String db)
int	setPreferences() Sets the parameters for the database connection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static DatabaseManagerImpl getInstance()

Singleton implementation of the database class.

Returns:

an instance of the object.

init

public Status init()

Initializes the database connection.

Specified by:

init in interface DatabaseManager

Returns:

Status the status operation.

setPreferences

public int setPreferences()

Sets the parameters for the database connection.

Specified by:

setPreferences in interface DatabaseManager

Returns:

1 in case of succes, or 0 in case of error, the return is forced to one.

close

public Status close()

Closes the database connection.

Specified by:

close in interface DatabaseManager

Returns:

Status the status of the operation.

getCon

public Connection getCon()

Gets the connection to the database.

Specified by:

getCon in interface DatabaseManager

Returns:

Connection the connection to the database.

checkDBFile

public boolean checkDBFile()
                    throws IOException

Description copied from interface: DatabaseManager

Checks for presence of database file in defined folder and downloads it if not present

Specified by:

checkDBFile in interface DatabaseManager

Returns:

true in case the database file exists or false in case not.

Throws:

IOException - in case an exception occurs handling the file.

setDatabaseLocal

public void setDatabaseLocal()

Specified by:

setDatabaseLocal in interface DatabaseManager

setDatabaseRemote

public void setDatabaseRemote()

Specified by:

setDatabaseRemote in interface DatabaseManager

getDatabaseHost

public String getDatabaseHost()

Specified by:

getDatabaseHost in interface DatabaseManager

setMySQLparameters

public boolean setMySQLparameters(String host,
                                  String user,
                                  String pass,
                                  String db)

Specified by:

setMySQLparameters in interface DatabaseManager

setDBFolder

public String setDBFolder()

Description copied from interface: DatabaseManager

Allows to change the preference settings for the database folder

Specified by:

setDBFolder in interface DatabaseManager

Returns:

path to folder