Package com.streambase.liveview.client

Class CompositeQueryListener

java.lang.Object
com.streambase.liveview.client.CompositeQueryListener
All Implemented Interfaces:
QueryListener, EventListener
public final class CompositeQueryListener extends Object implements QueryListener
A convenience implementation of QueryListener that enables notifications of zero or more listeners.

  • Constructor Details

    • CompositeQueryListener

      public CompositeQueryListener(QueryListener... listeners)
      Create the composite listener with one or more child listeners.
      Parameters:
      listeners - A list of listeners

  • Method Details

    • tupleAdded

      public void tupleAdded(TupleAddedEvent event)
      Event when a new tuple is added to the result.
      Specified by:
      tupleAdded in interface QueryListener
      Parameters:
      event - add event

    • tupleUpdated

      public void tupleUpdated(TupleUpdatedEvent event)
      Event when an existing tuple in the result is updated.
      Specified by:
      tupleUpdated in interface QueryListener
      Parameters:
      event - update event

    • tupleRemoved

      public void tupleRemoved(TupleRemovedEvent event)
      Event when an existing tuple is removed from the result.
      Specified by:
      tupleRemoved in interface QueryListener
      Parameters:
      event - remove event

    • 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 interface QueryListener
      Parameters:
      event - snapshot begin

    • snapshotEnd

      public void snapshotEnd(EndSnapshotEvent event)
      Event to indicate the query snapshot is complete.
      Specified by:
      snapshotEnd in interface QueryListener
      Parameters:
      event - snapshot end

    • 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 interface QueryListener
      Parameters:
      event - exception event

    • queryClosed

      public void queryClosed(QueryClosedEvent event)
      Event when a query being listened to is closed.
      Specified by:
      queryClosed in interface QueryListener
      Parameters:
      event - query closed event

    • deleteBegin

      public void deleteBegin(BeginDeleteEvent event)
      Description copied from interface: QueryListener
      Event to indicate the start of delete query.
      Specified by:
      deleteBegin in interface QueryListener
      Parameters:
      event - delete begin

    • deleteEnd

      public void deleteEnd(EndDeleteEvent event)
      Description copied from interface: QueryListener
      Event to indicate the delete query is complete.
      Specified by:
      deleteEnd in interface QueryListener
      Parameters:
      event - delete end