Package dev.chicoferreira.lifestealer.user.persistent.sql

Class SQLUserPersistentStorage

java.lang.Object

dev.chicoferreira.lifestealer.user.persistent.sql.SQLUserPersistentStorage

All Implemented Interfaces:

UserPersistentStorage

public class SQLUserPersistentStorage
extends Object
implements UserPersistentStorage

Constructor Summary

Constructors

Constructor	Description
SQLUserPersistentStorage(SQLConnectionProvider connectionProvider)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the database and the database connection
void	deleteUser(LifestealerUser user)	Deletes a user from the database.
String	getDatabaseName()	Returns a prettified name of the database
void	init()	Initializes the database (for example, connecting and creating necessary tables)
List<LifestealerUser>	loadAllUsers()
LifestealerUser	loadUser(UUID uuid)	Loads a user from the database.
void	saveAllUsers(List<LifestealerUser> users)
void	saveUser(LifestealerUser user)	Saves a user to the database.

Methods inherited from class java.lang.Object

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

Constructor Details

SQLUserPersistentStorage

public SQLUserPersistentStorage(SQLConnectionProvider connectionProvider)

Method Details

getDatabaseName

public String getDatabaseName()

Description copied from interface: UserPersistentStorage

Returns a prettified name of the database

Specified by:

getDatabaseName in interface UserPersistentStorage

Returns:

the database name

init

public void init()
          throws Exception

Description copied from interface: UserPersistentStorage

Initializes the database (for example, connecting and creating necessary tables)

Specified by:

init in interface UserPersistentStorage

Throws:

Exception - if an error occurs

close

public void close()
           throws SQLException

Description copied from interface: UserPersistentStorage

Closes the database and the database connection

Specified by:

close in interface UserPersistentStorage

Throws:

SQLException

loadUser

public LifestealerUser loadUser(UUID uuid)
                         throws Exception

Description copied from interface: UserPersistentStorage

Loads a user from the database. This operation is blocking. Use LifestealerUserManager.getOrLoadUser(UUID) if you want to get the user if it is already loaded or load it from the database if it is not loaded.

Specified by:

loadUser in interface UserPersistentStorage

Parameters:

uuid - the uuid of the user to load

Returns:

the loaded user or null if the user is not saved in the database

Throws:

Exception - if an error occurs while loading the user

loadAllUsers

public List<LifestealerUser> loadAllUsers()
                                   throws Exception

Specified by:

loadAllUsers in interface UserPersistentStorage

Throws:

Exception

saveUser

public void saveUser(LifestealerUser user)
              throws Exception

Description copied from interface: UserPersistentStorage

Saves a user to the database. This operation is blocking. Use LifestealerUserManager.saveUserAsync(LifestealerUser) if you want to save the user asynchronously.

Specified by:

saveUser in interface UserPersistentStorage

Parameters:

user - the user to save

Throws:

Exception - if an error occurs while saving the user

saveAllUsers

public void saveAllUsers(List<LifestealerUser> users)
                  throws Exception

Specified by:

saveAllUsers in interface UserPersistentStorage

Throws:

Exception

deleteUser

public void deleteUser(LifestealerUser user)
                throws Exception

Description copied from interface: UserPersistentStorage

Deletes a user from the database. This is used to delete a user from the database if they have no difference from the default values when saving through LifestealerUserManager

Specified by:

deleteUser in interface UserPersistentStorage

Parameters:

user - the user to delete

Throws:

Exception - if an error occurs while deleting the user