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Eclipse Platform
Release 3.5

org.eclipse.team.core.variants
Class SessionResourceVariantByteStore

java.lang.Object
  extended by 

org.eclipse.team.core.variants.ResourceVariantByteStore
      extended by 
org.eclipse.team.core.variants.SessionResourceVariantByteStore

public class SessionResourceVariantByteStore
extends ResourceVariantByteStore

A ResourceVariantByteStore that caches the variant bytes in memory and does not persist them over workbench invocations.

Since:
3.0
Restriction:
This class is not intended to be subclassed by clients.

Constructor Summary
SessionResourceVariantByteStore ()
           
 
Method Summary
 boolean deleteBytes ( IResource resource)
          Method called to indicate that it is known that there is no variant associated with the local resource.
 void dispose ()
          Dispose of any cached sync bytes when this cache is no longer needed.
 boolean flushBytes ( IResource resource, int depth)
          Remove the bytes from the tree for the resource variants corresponding to the given local resource and its descendants to the given depth.
 byte[] getBytes ( IResource resource)
          Return the bytes for the variant corresponding the given local resource.
 boolean isEmpty ()
          Return true if no bytes are contained in this tree.
  IResource[] members ( IResource resource)
          Return the children of the given resource that have resource variants in this tree.
 boolean setBytes ( IResource resource, byte[] bytes)
          Set the bytes for the variant corresponding the given local resource.
 
Methods inherited from class org.eclipse.team.core.variants. ResourceVariantByteStore
equals, run
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SessionResourceVariantByteStore

public SessionResourceVariantByteStore()
Method Detail

deleteBytes

public boolean deleteBytes(
IResource resource)
                    throws 
TeamException
Description copied from class: ResourceVariantByteStore
Method called to indicate that it is known that there is no variant associated with the local resource. Subclasses may handle this information in different ways. The flush(IResource, int) method should be used in the cases where a client wishes to remove bytes for other reason.

Specified by:
deleteBytes in class ResourceVariantByteStore
Parameters:
resource - the local resource
Returns:
true if this changes the bytes for the variant
Throws:
TeamException

dispose

public void dispose()
Description copied from class: ResourceVariantByteStore
Dispose of any cached sync bytes when this cache is no longer needed.

Specified by:
dispose in class ResourceVariantByteStore

flushBytes

public boolean flushBytes(
IResource resource,
                          int depth)
                   throws 
TeamException
Description copied from class: ResourceVariantByteStore
Remove the bytes from the tree for the resource variants corresponding to the given local resource and its descendants to the given depth. After the bytes are removed, getBytes(resource) will return null for the affected resources.

Specified by:
flushBytes in class ResourceVariantByteStore
Parameters:
resource - the local resource
depth - the depth of the operation (one of IResource.DEPTH_ZERO, IResource.DEPTH_ONE, or IResource.DEPTH_INFINITE)
Returns:
true if there were bytes present which were removed
Throws:
TeamException

getBytes

public byte[] getBytes(
IResource resource)
                throws 
TeamException
Description copied from class: ResourceVariantByteStore
Return the bytes for the variant corresponding the given local resource. A return value of null means that no bytes have been stored for the resource variant. It is up to the client to determine whether this means that the resource variant does not exist or that it has not been fetched or otherwise determined yet.

Specified by:
getBytes in class ResourceVariantByteStore
Parameters:
resource - the local resource
Returns:
the bytes that represent the resource's variant
Throws:
TeamException

isEmpty

public boolean isEmpty()
Return true if no bytes are contained in this tree.

Returns:
true if no bytes are contained in this tree.

members

public 
IResource[] members(
IResource resource)
Description copied from class: ResourceVariantByteStore
Return the children of the given resource that have resource variants in this tree.

Specified by:
members in class ResourceVariantByteStore
Parameters:
resource - the parent resource
Returns:
the members who have resource variants in this tree.

setBytes

public boolean setBytes(
IResource resource,
                        byte[] bytes)
                 throws 
TeamException
Description copied from class: ResourceVariantByteStore
Set the bytes for the variant corresponding the given local resource. The bytes should never be null. If it is known that the remote does not exist, deleteBytes(IResource) should be used instead. If the sync bytes for the remote are stale and should be removed, flushBytes(IResouce, int) should be called.

Specified by:
setBytes in class ResourceVariantByteStore
Parameters:
resource - the local resource
bytes - the bytes that represent the resource's variant
Returns:
true if the bytes changed
Throws:
TeamException

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire