Package my.edu.tarc.dco.bookrentalpos

Class MemberManager

java.lang.Object

my.edu.tarc.dco.bookrentalpos.Manager<Member>

my.edu.tarc.dco.bookrentalpos.MemberManager

public class MemberManager
extends Manager<Member>

Class to load Member data for the POS system

Version:

1.0

Author:

Looz

Constructor Summary

Constructors

Constructor	Description
MemberManager(DBManager db)

Method Summary

Modifier and Type	Method	Description
boolean	add(Member mem)	Register a new member to database
Member	getById(int memID)	Get reference to member object with specified ID
Member	getByName(String name)	Get reference to member object with specified Name
Member[]	getCache()	Get a copy of the Member List cache located in this instance For now, you could obtain the length of the array through getMemberCount()
int	getMemberCount()
void	reload()	Reload all the data from database
boolean	remove(Member member)	Remove a member from database NOTE: The removed member's data will be removed from other related table as well
boolean	update(Member mem)	Update data of existing member to database

Methods inherited from class java.lang.Object

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

Constructor Details

MemberManager

public MemberManager(DBManager db)

Method Details

reload

public void reload()

Reload all the data from database

Specified by:

reload in class Manager<Member>

getById

public Member getById(int memID)

Get reference to member object with specified ID

Specified by:

getById in class Manager<Member>

Returns:

Member object reference, null if no such member with this id

getByName

public Member getByName(String name)

Get reference to member object with specified Name

Specified by:

getByName in class Manager<Member>

Returns:

Member object reference

getCache

public Member[] getCache()

Get a copy of the Member List cache located in this instance For now, you could obtain the length of the array through getMemberCount()

Specified by:

getCache in class Manager<Member>

Returns:

A copy of Member array with 100 size pre-allocated

See Also:

getMemberCount()

add

public boolean add(Member mem)

Register a new member to database

Specified by:

add in class Manager<Member>

Parameters:

mem - Member object without ID

Returns:

True if member is successfully registered

See Also:

Member(java.lang.String, java.lang.String)

update

public boolean update(Member mem)

Update data of existing member to database

Specified by:

update in class Manager<Member>

Parameters:

mem - Member Object with ID, expecting a Member object reference instead of new Member object

Returns:

True if the member's data is updated successfully

remove

public boolean remove(Member member)

Remove a member from database
NOTE: The removed member's data will be removed from other related table as well

Specified by:

remove in class Manager<Member>

Parameters:

member - MemberID which to be removed

Returns:

true if member was removed successfully

getMemberCount

public int getMemberCount()

Returns:

Member count loaded into the memberList array