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public interface ChangeTracker
Interface for components that track changes to containers at a fine-grained level. Proxies that use change trackers might have better update performance than non-tracking proxies.
Method Summary | |
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Collection |
getAdded()
Return the collection of values that need to be added to the managed container. |
Collection |
getChanged()
Return the set of elements that have changed. |
int |
getNextSequence()
The next element sequence value for this proxy at load time. |
Collection |
getRemoved()
Return the set of values that need to be removed from the managed container. |
boolean |
isTracking()
Return true if this tracker has an up-to-date view of all the changes to the container it is managing. |
void |
setNextSequence(int seq)
The maximum element sequence value for this proxy at load time. |
void |
startTracking()
Reset the state of the change tracker, and turn change tracking back on if it has been disabled. |
void |
stopTracking()
Tell the tracker to stop tracking changes for its container. |
Method Detail |
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boolean isTracking()
void startTracking()
void stopTracking()
Collection getAdded()
Collection getRemoved()
Collection getChanged()
int getNextSequence()
void setNextSequence(int seq)
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