Package io.keikai.app.impl

Class CollaborationInfoImpl

java.lang.Object

io.keikai.app.impl.CollaborationInfoImpl

All Implemented Interfaces:

CollaborationInfo, Serializable

public class CollaborationInfoImpl
extends Object
implements CollaborationInfo, Serializable

Author:

JerryChen

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface io.keikai.app.CollaborationInfo

CollaborationInfo.CollaborationEvent, CollaborationInfo.CollaborationEventListener

Field Summary

Fields

Modifier and Type	Field	Description
protected static CollaborationInfo	collaborationInfo

Constructor Summary

Constructors

Constructor	Description
CollaborationInfoImpl()

Method Summary

Modifier and Type	Method	Description
void	addEvent(CollaborationInfo.CollaborationEventListener listener)	Event Mechanism
boolean	addUsername(String username, String oldUsername)	add username and remove old username
static CollaborationInfo	getInstance()
Set<String>	getUsedUsernames(String bookName)	return username of users which are using book "bookName"
String	getUsername(String originName)	return a username which doesn't duplicate with others
boolean	isUsernameExist(String username)	ask if username is existing
void	removeRelationship(String username)	remove books having relationship to username
void	removeUsername(String username)	remove username
void	setRelationship(String username, Book book)	set relationship between username and book

Methods inherited from class java.lang.Object

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

Field Details

collaborationInfo

protected static CollaborationInfo collaborationInfo

Constructor Details

CollaborationInfoImpl

public CollaborationInfoImpl()

Method Details

getInstance

public static CollaborationInfo getInstance()

setRelationship

public void setRelationship(String username,
 Book book)

Description copied from interface: CollaborationInfo

set relationship between username and book

Specified by:

setRelationship in interface CollaborationInfo

removeRelationship

public void removeRelationship(String username)

Description copied from interface: CollaborationInfo

remove books having relationship to username

Specified by:

removeRelationship in interface CollaborationInfo

isUsernameExist

public boolean isUsernameExist(String username)

Description copied from interface: CollaborationInfo

ask if username is existing

Specified by:

isUsernameExist in interface CollaborationInfo

Returns:

true if username has already existed, false otherwise.

addUsername

public boolean addUsername(String username,
 String oldUsername)

Description copied from interface: CollaborationInfo

add username and remove old username

Specified by:

addUsername in interface CollaborationInfo

Returns:

removeUsername

public void removeUsername(String username)

Description copied from interface: CollaborationInfo

remove username

Specified by:

removeUsername in interface CollaborationInfo

getUsedUsernames

public Set<String> getUsedUsernames(String bookName)

Description copied from interface: CollaborationInfo

return username of users which are using book "bookName"

Specified by:

getUsedUsernames in interface CollaborationInfo

Returns:

a set containing usernames

getUsername

public String getUsername(String originName)

Description copied from interface: CollaborationInfo

return a username which doesn't duplicate with others

Specified by:

getUsername in interface CollaborationInfo

Returns:

unique username

addEvent

public void addEvent(CollaborationInfo.CollaborationEventListener listener)

Description copied from interface: CollaborationInfo

Event Mechanism

Specified by:

addEvent in interface CollaborationInfo