de.saxsys.synchronizefx.core.metamodel

Class ListPropertyMetaDataStore.ListPropertyMetaData

java.lang.Object

de.saxsys.synchronizefx.core.metamodel.ListPropertyMetaDataStore.ListPropertyMetaData

Enclosing class:

ListPropertyMetaDataStore

public static class ListPropertyMetaDataStore.ListPropertyMetaData
extends Object

The meta data about a List.

Constructor Summary

Constructors

Constructor and Description
ListPropertyMetaDataStore.ListPropertyMetaData(UUID initialLocalVersion, UUID initialApprovedVersion) Initializes an instance with initial values.

Method Summary

Methods

Modifier and Type	Method and Description
UUID	getApprovedVersion() The approved version the list currently has.
UUID	getLocalVersion() The actual local version the list currently has.
Queue<ListCommand>	getUnapprovedCommands() Local commands that have not been approved by other peers yet.
List<ListCommand>	getUnapprovedCommandsAsList() Same as getUnapprovedCommands() but as List instead of Queue.
void	setApprovedVersion(UUID newVersion) Sets the approved version for the list.
void	setLocalVersion(UUID newVersion) Sets the local version for the list.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ListPropertyMetaDataStore.ListPropertyMetaData

public ListPropertyMetaDataStore.ListPropertyMetaData(UUID initialLocalVersion,
                                              UUID initialApprovedVersion)

Initializes an instance with initial values.

Parameters:

initialLocalVersion - The initial local version of the list.

initialApprovedVersion - The initial approved version of the list.

Method Detail

getLocalVersion

public UUID getLocalVersion()

The actual local version the list currently has.

Versions of lists are just random UUIDs. When the state of a list is changed it gets a new random UUID as version.

The local version is the "to" version of the last locally generated command in the list of unapproved commands. If there are no unapproved local commands, than this version is the same as the approved version of a list.

Returns:

The local version of the list.

setLocalVersion

public void setLocalVersion(UUID newVersion)

Sets the local version for the list.

Parameters:

newVersion - The new version of the list.

See Also:

getLocalVersion()

getApprovedVersion

public UUID getApprovedVersion()

The approved version the list currently has.

Versions of lists are just random UUIDs. When the state of a list is changed it gets a new random UUID as version.

The approved version of a list is the "from" version of the oldest locally generated change command that was not send back from other peers yet. It is the "to" version of the newest remotely generated change command if there is no local change that wasn't send back from other peers yet.

Returns:

The approved version of the list.

setApprovedVersion

public void setApprovedVersion(UUID newVersion)

Sets the approved version for the list.

Parameters:

newVersion - The new approved version the list should have.

See Also:

getApprovedVersion()

getUnapprovedCommands

public Queue<ListCommand> getUnapprovedCommands()

Local commands that have not been approved by other peers yet.

Returns:

the commands

getUnapprovedCommandsAsList

public List<ListCommand> getUnapprovedCommandsAsList()

Same as getUnapprovedCommands() but as List instead of Queue.

Returns:

the commands

See Also:

getUnapprovedCommands()

toString

public String toString()

Overrides:

toString in class Object