org.exoplatform.clouddrive.box

Class JCRLocalBoxDrive.EventsSync

java.lang.Object

org.exoplatform.clouddrive.box.JCRLocalBoxDrive.EventsSync

All Implemented Interfaces:

org.exoplatform.clouddrive.CloudDrive.Command

Enclosing class:

JCRLocalBoxDrive

protected class JCRLocalBoxDrive.EventsSync
extends Object

Sync algorithm for Box drive based on drive changes obtained from Events service http://developers.box.com/docs/#events.

Field Summary

Fields

Modifier and Type	Field and Description
protected BoxAPI	api Box API.
protected Map<String,org.exoplatform.clouddrive.jcr.JCRLocalCloudFile>	applied Applied items in latest state mapped by item id.
protected int	appliedCounter Counter of applied events in this Sync.
protected org.exoplatform.clouddrive.box.BoxAPI.EventsIterator	events Events from Box to apply.
protected Set<String>	history Currently applied history of the drive storage.
protected com.box.sdk.BoxEvent	lastPostponed The last postponed.
protected Long	localStreamPosition The local stream position.
protected Set<String>	newHistory New history with currently applied event ids.
protected com.box.sdk.BoxEvent	nextEvent The next event.
protected LinkedList<com.box.sdk.BoxEvent>	postponed Queue of events postponed due to not existing parent or source.
protected int	postponedNumber The postponed number.
protected int	prevPostponedNumber The postponed number.
protected int	readCounter Counter of events read from Box service.
protected Set<String>	removedIds Ids of removed items.
protected Long	savedStreamPosition The saved stream position.
protected Map<String,com.box.sdk.BoxItem.Info>	undeleted Undeleted events by item id.

Fields inherited from interface org.exoplatform.clouddrive.CloudDrive.Command

COMPLETE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EventsSync() Create command for Box synchronization.

Method Summary

Modifier and Type	Method and Description
protected org.exoplatform.clouddrive.jcr.JCRLocalCloudFile	applied(String itemId) Applied.
protected void	apply(org.exoplatform.clouddrive.jcr.JCRLocalCloudFile local) Apply.
protected com.box.sdk.BoxFolder	fetchChilds(String fileId, javax.jcr.Node parent) Fetch childs.
protected boolean	hasNextEvent() Checks for next event.
protected boolean	hasPostponed() Checks for postponed.
protected com.box.sdk.BoxEvent	nextEvent() Next event.
protected void	postpone(com.box.sdk.BoxEvent event) Postpone.
protected void	preSaveChunk()
protected com.box.sdk.BoxEvent	readEvent() Read event.
protected org.exoplatform.clouddrive.jcr.JCRLocalCloudFile	remove(String itemId, String itemPath) Removes the.
protected void	syncFiles()
protected void	undelete(com.box.sdk.BoxItem.Info item) Undelete.
protected com.box.sdk.BoxItem.Info	undeleted(String itemId) Undeleted.

Methods inherited from class java.lang.Object

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

Field Detail

api

protected final BoxAPI api

Box API.

history

protected final Set<String> history

Currently applied history of the drive storage.

newHistory

protected final Set<String> newHistory

New history with currently applied event ids.

postponed

protected final LinkedList<com.box.sdk.BoxEvent> postponed

Queue of events postponed due to not existing parent or source.

applied

protected final Map<String,org.exoplatform.clouddrive.jcr.JCRLocalCloudFile> applied

Applied items in latest state mapped by item id.

undeleted

protected final Map<String,com.box.sdk.BoxItem.Info> undeleted

Undeleted events by item id.

removedIds

protected final Set<String> removedIds

Ids of removed items.

events

protected org.exoplatform.clouddrive.box.BoxAPI.EventsIterator events

Events from Box to apply.

nextEvent

protected com.box.sdk.BoxEvent nextEvent

The next event.

lastPostponed

protected com.box.sdk.BoxEvent lastPostponed

The last postponed.

prevPostponedNumber

protected int prevPostponedNumber

The postponed number.

postponedNumber

protected int postponedNumber

The postponed number.

appliedCounter

protected int appliedCounter

Counter of applied events in this Sync. Used for multi-pass looping over the events.

readCounter

protected int readCounter

Counter of events read from Box service. Used for multi-pass looping over the events.

savedStreamPosition

protected Long savedStreamPosition

The saved stream position.

localStreamPosition

protected Long localStreamPosition

The local stream position.

Constructor Detail

EventsSync

protected EventsSync()
              throws javax.jcr.RepositoryException,
                     org.exoplatform.clouddrive.DriveRemovedException

Create command for Box synchronization.

Throws:

javax.jcr.RepositoryException - the repository exception

org.exoplatform.clouddrive.DriveRemovedException - the drive removed exception

Method Detail

syncFiles

protected void syncFiles()
                  throws org.exoplatform.clouddrive.CloudDriveException,
                         javax.jcr.RepositoryException

Throws:

org.exoplatform.clouddrive.CloudDriveException

javax.jcr.RepositoryException

preSaveChunk

protected void preSaveChunk()
                     throws org.exoplatform.clouddrive.CloudDriveException,
                            javax.jcr.RepositoryException

Throws:

org.exoplatform.clouddrive.CloudDriveException

javax.jcr.RepositoryException

fetchChilds

protected com.box.sdk.BoxFolder fetchChilds(String fileId,
                                            javax.jcr.Node parent)
                                     throws org.exoplatform.clouddrive.CloudDriveException,
                                            javax.jcr.RepositoryException

Fetch childs.

Parameters:

fileId - the file id

parent - the parent

Returns:

the box folder

Throws:

org.exoplatform.clouddrive.CloudDriveException - the cloud drive exception

javax.jcr.RepositoryException - the repository exception

readEvent

protected com.box.sdk.BoxEvent readEvent()
                                  throws org.exoplatform.clouddrive.CloudDriveException

Read event.

Returns:

the box event

Throws:

org.exoplatform.clouddrive.CloudDriveException - the cloud drive exception

hasNextEvent

protected boolean hasNextEvent()
                        throws org.exoplatform.clouddrive.CloudDriveException

Checks for next event.

Returns:

true, if successful

Throws:

org.exoplatform.clouddrive.CloudDriveException - the cloud drive exception

nextEvent

protected com.box.sdk.BoxEvent nextEvent()
                                  throws NoSuchElementException,
                                         org.exoplatform.clouddrive.CloudDriveException

Next event.

Returns:

the box event

Throws:

NoSuchElementException - the no such element exception

org.exoplatform.clouddrive.CloudDriveException - the cloud drive exception

postpone

protected void postpone(com.box.sdk.BoxEvent event)

Postpone.

Parameters:

event - the event

hasPostponed

protected boolean hasPostponed()

Checks for postponed.

Returns:

true, if successful

undeleted

protected com.box.sdk.BoxItem.Info undeleted(String itemId)

Undeleted.

Parameters:

itemId - the item id

Returns:

the box item. info

undelete

protected void undelete(com.box.sdk.BoxItem.Info item)

Undelete.

Parameters:

item - the item

apply

protected void apply(org.exoplatform.clouddrive.jcr.JCRLocalCloudFile local)
              throws javax.jcr.RepositoryException,
                     org.exoplatform.clouddrive.CloudDriveException

Apply.

Parameters:

local - the local

Throws:

javax.jcr.RepositoryException - the repository exception

org.exoplatform.clouddrive.CloudDriveException - the cloud drive exception

applied

protected org.exoplatform.clouddrive.jcr.JCRLocalCloudFile applied(String itemId)

Applied.

Parameters:

itemId - the item id

Returns:

the JCR local cloud file

remove

protected org.exoplatform.clouddrive.jcr.JCRLocalCloudFile remove(String itemId,
                                                                  String itemPath)
                                                           throws javax.jcr.RepositoryException,
                                                                  org.exoplatform.clouddrive.CloudDriveException

Removes the.

Parameters:

itemId - the item id

itemPath - the item path

Returns:

the JCR local cloud file

Throws:

javax.jcr.RepositoryException - the repository exception

org.exoplatform.clouddrive.CloudDriveException - the cloud drive exception