public abstract class ChangeListenerImpl extends java.lang.Object implements ChangeListener
CONTEXT_CONNECTION, CONTEXT_STATEMENT
Constructor and Description |
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ChangeListenerImpl(QueryCollection qc) |
Modifier and Type | Method and Description |
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QueryCollection |
getQueryCollection() |
void |
notify(java.util.EventObject evt)
Notify the query collection about a change event.
|
void |
register(java.util.HashMap<java.lang.String,java.lang.Object> context)
This method is invoked to register for change events at the time the Query Collection is
refreshed with results.
|
void |
unregister() |
public ChangeListenerImpl(QueryCollection qc)
public void register(java.util.HashMap<java.lang.String,java.lang.Object> context)
register
in interface ChangeListener
context
- Custom registration context like database connection and database statement
handle may be passed in the arguments.public void unregister()
unregister
in interface ChangeListener
public void notify(java.util.EventObject evt)
notify
in interface ChangeListener
evt
- The details about the event that was generated by the data source.
Currently this argument is not used. In a future
release the framework will be able to consume an event that describes the
rows that need to be changed.public QueryCollection getQueryCollection()