java.lang.Object

org.eclipse.emf.cdo.common.revision.CDORevisionCrawler.OutputStreamHandler

All Implemented Interfaces:: CDORevisionCrawler.Handler

Direct Known Subclasses:: CDORevisionCrawler.MessageDigestHandler

Enclosing class:: CDORevisionCrawler

public static class CDORevisionCrawler.OutputStreamHandler extends Object implements CDORevisionCrawler.Handler

Handler implementation that writes crawl data to an output stream.

Author:: Eike Stepper

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

static class

CDORevisionCrawler.OutputStreamHandler.IDMapper

Abstract ID mapper for mapping real IDs to local IDs.
Constructor Summary

Constructors

Modifier

Constructor

Description

OutputStreamHandler(OutputStream stream)

Constructs an OutputStreamHandler with the given output stream.

OutputStreamHandler(OutputStream stream, boolean localIDs, CDOLobLoader lobLoader)

Constructs an OutputStreamHandler with local ID mapping and optional LOB loader.

OutputStreamHandler(OutputStream stream, CDORevisionCrawler.OutputStreamHandler.IDMapper idMapper, CDOLobLoader lobLoader)

Constructs an OutputStreamHandler with custom ID mapper and optional LOB loader.

protected

OutputStreamHandler(CDODataOutput out, CDORevisionCrawler.OutputStreamHandler.IDMapper idMapper)

Constructs an OutputStreamHandler with the given data output and ID mapper.
Method Summary

Modifier and Type

Method

Description

boolean

begin(CDORevisionCrawler crawler)

Called when crawling begins.

final boolean

beginRevision(CDORevision revision)

Called when a revision is about to be processed.

protected boolean

doBeginRevision(CDORevision revision)

Performs finishing logic for the given revision.

protected void

doEndRevision(CDORevision revision)

Performs ending logic for the given revision.

protected void

doHandleFeature(CDORevision revision, EStructuralFeature feature)

Performs feature handling logic for the given revision and feature.

final void

endRevision(CDORevision revision)

Called when a revision has been processed.

final void

finishLocalIDs()

Performs the second phase for local ID mapping, writing features for all mapped revisions.

CDORevisionCrawler.OutputStreamHandler.IDMapper

getLocalIDMapper()

Returns the local ID mapper used by this handler, if any.

final void

handleFeature(CDORevision revision, EStructuralFeature feature)

Called for each feature to be handled.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.emf.cdo.common.revision.CDORevisionCrawler.Handler
finish

Constructor Details
- OutputStreamHandler
  
  public OutputStreamHandler(OutputStream stream)
  
  Constructs an OutputStreamHandler with the given output stream.
  
  Parameters:
  
  stream - the output stream
- OutputStreamHandler
  
  public OutputStreamHandler(OutputStream stream, boolean localIDs, CDOLobLoader lobLoader)
  
  Constructs an OutputStreamHandler with local ID mapping and optional LOB loader.
  
  Parameters:
  
  stream - the output stream
  
  localIDs - true to use local IDs
  
  lobLoader - the LOB loader, may be null
- OutputStreamHandler
  
  public OutputStreamHandler(OutputStream stream, CDORevisionCrawler.OutputStreamHandler.IDMapper idMapper, CDOLobLoader lobLoader)
  
  Constructs an OutputStreamHandler with custom ID mapper and optional LOB loader.
  
  Parameters:
  
  stream - the output stream
  
  idMapper - the ID mapper
  
  lobLoader - the LOB loader, may be null
- OutputStreamHandler
  
  protected OutputStreamHandler(CDODataOutput out, CDORevisionCrawler.OutputStreamHandler.IDMapper idMapper)
  
  Constructs an OutputStreamHandler with the given data output and ID mapper.
Method Details
- getLocalIDMapper
  
  public CDORevisionCrawler.OutputStreamHandler.IDMapper getLocalIDMapper()
  
  Returns the local ID mapper used by this handler, if any.
- begin
  
  public boolean begin(CDORevisionCrawler crawler)
  
  Description copied from interface: CDORevisionCrawler.Handler
  
  Called when crawling begins.
  
  Specified by:
  
  begin in interface CDORevisionCrawler.Handler
  
  Parameters:
  
  crawler - the crawler instance
  
  Returns:
  
  true to continue crawling
- beginRevision
  
  public final boolean beginRevision(CDORevision revision)
  
  Description copied from interface: CDORevisionCrawler.Handler
  
  Called when a revision is about to be processed.
  
  Specified by:
  
  beginRevision in interface CDORevisionCrawler.Handler
  
  Parameters:
  
  revision - the revision
  
  Returns:
  
  true to continue crawling
- handleFeature
  
  public final void handleFeature(CDORevision revision, EStructuralFeature feature)
  
  Description copied from interface: CDORevisionCrawler.Handler
  
  Called for each feature to be handled.
  
  Specified by:
  
  handleFeature in interface CDORevisionCrawler.Handler
  
  Parameters:
  
  revision - the revision
  
  feature - the feature
- endRevision
  
  public final void endRevision(CDORevision revision)
  
  Description copied from interface: CDORevisionCrawler.Handler
  
  Called when a revision has been processed.
  
  Specified by:
  
  endRevision in interface CDORevisionCrawler.Handler
  
  Parameters:
  
  revision - the revision
- finishLocalIDs
  
  public final void finishLocalIDs()
  
  Performs the second phase for local ID mapping, writing features for all mapped revisions.
- doBeginRevision
  
  protected boolean doBeginRevision(CDORevision revision)
  
  Performs finishing logic for the given revision.
- doHandleFeature
  
  protected void doHandleFeature(CDORevision revision, EStructuralFeature feature)
  
  Performs feature handling logic for the given revision and feature.
- doEndRevision
  
  protected void doEndRevision(CDORevision revision)
  
  Performs ending logic for the given revision.

Class CDORevisionCrawler.OutputStreamHandler

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.eclipse.emf.cdo.common.revision.CDORevisionCrawler.Handler

Constructor Details

OutputStreamHandler

OutputStreamHandler

OutputStreamHandler

OutputStreamHandler

Method Details

getLocalIDMapper

begin

beginRevision

handleFeature

endRevision

finishLocalIDs

doBeginRevision

doHandleFeature

doEndRevision