Package com.streambase.liveview.client
Class CompositeQueryListener
- java.lang.Object
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- com.streambase.liveview.client.CompositeQueryListener
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- All Implemented Interfaces:
QueryListener
,EventListener
public final class CompositeQueryListener extends Object implements QueryListener
A convenience implementation ofQueryListener
that enables notifications of zero or more listeners.
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Constructor Summary
Constructors Constructor Description CompositeQueryListener(QueryListener... listeners)
Create the composite listener with one or more child listeners.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
deleteBegin(BeginDeleteEvent event)
Event to indicate the start of delete query.void
deleteEnd(EndDeleteEvent event)
Event to indicate the delete query is complete.void
exceptionRaised(QueryExceptionEvent event)
Event when an exception occurs during the query.void
queryClosed(QueryClosedEvent event)
Event when a query being listened to is closed.void
snapshotBegin(BeginSnapshotEvent event)
Event to indicate the start of the result snapshot.void
snapshotEnd(EndSnapshotEvent event)
Event to indicate the query snapshot is complete.void
tupleAdded(TupleAddedEvent event)
Event when a new tuple is added to the result.void
tupleRemoved(TupleRemovedEvent event)
Event when an existing tuple is removed from the result.void
tupleUpdated(TupleUpdatedEvent event)
Event when an existing tuple in the result is updated.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.streambase.liveview.client.QueryListener
aggMarkBegin, aggMarkEnd
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Constructor Detail
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CompositeQueryListener
public CompositeQueryListener(QueryListener... listeners)
Create the composite listener with one or more child listeners.- Parameters:
listeners
- A list of listeners
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Method Detail
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tupleAdded
public void tupleAdded(TupleAddedEvent event)
Event when a new tuple is added to the result.- Specified by:
tupleAdded
in interfaceQueryListener
- Parameters:
event
- add event
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tupleUpdated
public void tupleUpdated(TupleUpdatedEvent event)
Event when an existing tuple in the result is updated.- Specified by:
tupleUpdated
in interfaceQueryListener
- Parameters:
event
- update event
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tupleRemoved
public void tupleRemoved(TupleRemovedEvent event)
Event when an existing tuple is removed from the result.- Specified by:
tupleRemoved
in interfaceQueryListener
- Parameters:
event
- remove event
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snapshotBegin
public void snapshotBegin(BeginSnapshotEvent event)
Event to indicate the start of the result snapshot. This is the first method called when a query starts returning results, but this method is also called to indicate a reset (a complete restart of the query.)- Specified by:
snapshotBegin
in interfaceQueryListener
- Parameters:
event
- snapshot begin
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snapshotEnd
public void snapshotEnd(EndSnapshotEvent event)
Event to indicate the query snapshot is complete.- Specified by:
snapshotEnd
in interfaceQueryListener
- Parameters:
event
- snapshot end
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exceptionRaised
public void exceptionRaised(QueryExceptionEvent event)
Event when an exception occurs during the query. Since 1.3, reaching the row limit is considered an exception.- Specified by:
exceptionRaised
in interfaceQueryListener
- Parameters:
event
- exception event
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queryClosed
public void queryClosed(QueryClosedEvent event)
Event when a query being listened to is closed.- Specified by:
queryClosed
in interfaceQueryListener
- Parameters:
event
- query closed event
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deleteBegin
public void deleteBegin(BeginDeleteEvent event)
Description copied from interface:QueryListener
Event to indicate the start of delete query.- Specified by:
deleteBegin
in interfaceQueryListener
- Parameters:
event
- delete begin
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deleteEnd
public void deleteEnd(EndDeleteEvent event)
Description copied from interface:QueryListener
Event to indicate the delete query is complete.- Specified by:
deleteEnd
in interfaceQueryListener
- Parameters:
event
- delete end
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