|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.apache.jackrabbit.core.state.ChangeLog
public class ChangeLog
Registers changes made to states and references and consolidates empty changes.
Constructor Summary | |
---|---|
ChangeLog()
|
Method Summary | |
---|---|
void |
added(ItemState state)
A state has been added |
Iterable<ItemState> |
addedStates()
Return the added states in this change log. |
boolean |
deleted(ItemId id)
Return a flag indicating whether a given item state is marked as deleted in this log. |
void |
deleted(ItemState state)
A state has been deleted. |
Iterable<ItemState> |
deletedStates()
Return the deleted states in this change log. |
void |
disconnect()
Disconnect all states in the change log from their overlaid states. |
ItemState |
get(ItemId id)
Return an item state given its id. |
NodeReferences |
getReferencesTo(NodeId id)
Return a node references object given the target node id. |
boolean |
has(ItemId id)
Return a flag indicating whether a given item state exists. |
boolean |
hasUpdates()
Checks whether this change log contains any changes. |
boolean |
isModified(ItemId id)
Returns a flag indicating whether a given item state is marked as modified in this log. |
void |
merge(ChangeLog other)
Merge another change log with this change log |
void |
modified(ItemState state)
A state has been modified. |
void |
modified(NodeReferences refs)
A references has been modified |
Iterable<NodeReferences> |
modifiedRefs()
Return the modified references in this change log. |
Iterable<ItemState> |
modifiedStates()
Return the modified states in this change log. |
void |
persisted()
After the states have actually been persisted, update their internal states and notify listeners. |
void |
push()
Push all states contained in the various maps of items we have. |
void |
removeReferencesEntry(NodeId targetId)
Removes the references entry with the given target node id. |
void |
reset()
Reset this change log, removing all members inside the maps we built. |
String |
toString()
Returns a string representation of this change log for diagnostic purposes. |
void |
undo(ItemStateManager parent)
Undo changes made to items in the change log. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
---|
public ChangeLog()
Method Detail |
---|
public boolean hasUpdates()
true
if this log contains at least one change,
false
otherwisepublic void added(ItemState state)
state
- state that has been addedpublic void modified(ItemState state)
state
- state that has been modifiedpublic void deleted(ItemState state)
state
- state that has been deletedpublic void modified(NodeReferences refs)
refs
- refs that has been modifiedpublic void removeReferencesEntry(NodeId targetId)
VersionItemStateManager
to drop
references to virtual nodes.
targetId
- target node idpublic ItemState get(ItemId id) throws NoSuchItemStateException
null
if the item state is neither in the added nor in the modified
section. Throws a NoSuchItemStateException
if
the item state is in the deleted section.
null
NoSuchItemStateException
- if the item has been deletedpublic boolean has(ItemId id)
true
if item state exists within this
log; false
otherwisepublic boolean deleted(ItemId id)
true
if item state is marked as deleted in this
log; false
otherwisepublic boolean isModified(ItemId id)
id
- the id of the item.
true
if the item state is marked as modified in this
log; false
otherwise.public NodeReferences getReferencesTo(NodeId id)
null
if the node reference is not in the modified
section.
null
public Iterable<ItemState> addedStates()
public Iterable<ItemState> modifiedStates()
Note that this change log must not be modified while iterating through the returned states.
public Iterable<ItemState> deletedStates()
Note that this change log must not be modified while iterating through the returned states.
public Iterable<NodeReferences> modifiedRefs()
Note that this change log must not be modified while iterating through the returned states.
public void merge(ChangeLog other)
other
- other change logpublic void push()
public void persisted()
public void reset()
public void disconnect()
public void undo(ItemStateManager parent)
parent
- parent manager that will hold current datapublic String toString()
toString
in class Object
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |