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:: com :: sun :: star :: ucb ::
interface XDynamicResultSet
  Base Hierarchy
      ::com::sun::star::uno::XInterface
       |
       +-::com::sun::star::lang::XComponent
          |
          +-XDynamicResultSet
Description Provides read access to a ContentResultSet . You can either get a simple static ContentResultSet or you can listen to change-notifications and than swap from the old to a new ContentResultSet . The following describes the dynamic use: XDynamicResultSet provides the possibility to get notifications about changes on a ContentResultSet and have an listener-controlled update from one version to the next version. Two ContentResultSet implementations were given to the listener in the first notification as interface ::com::sun::star::sdbc::XResultSet . To get notifications the listener has to be of type XDynamicResultSetListener . After registration you will get notifications for events of type ListEvent . The calling of XDynamicResultSetListener::notify has to happen in an own thread, because it could take a longer time and any actions til the listener returns the call. So don't block the notify-causing action. While one notify-call is going on: The listener is allowed to access both ContentResultSet s, they must be both valid. It is not allowed to start a second notify-call. All addditional things we want to send as notification are to be queued. Any other calls are to be accepted and treated. After the listener has returned the notify-call: The listener is allowed to access the new ContentResultSet . The new one is first assigned in the WELCOME-event and than the ResultSets are always swapped. The listener is not allowed to access the old ContentResultSet .

Methods' Summary
getStaticResultSet | Call this, if you don't care about any changes.
setListener | Call this, if you want to get notifications about changes.
connectToCache | Connects this to a CachedDynamicResultSet for optimized remote data transport.
getCapabilities | Using this method you can get information, whether the offered ContentResultSet s are sorted or filtered etc correctly as demanded during the creation of the XDynamicResultSet .

Methods' Details
getStaticResultSet
::com::sun::star::sdbc::XResultSet getStaticResultSet() | raises( | ListenerAlreadySetException );
Description Call this, if you don't care about any changes. Returns an ::com::sun::star::sdbc::XResultSet that is implemented as ContentResultSet . Its content will never change. @trows ListenerAlreadySetException if someone already has registered as listener via XDynamicResultSet::setListener or if someone has established a connection to a CachedDynamicResultSet via XDynamicResultSet::connectToCache .
setListener
void setListener( | [in] XDynamicResultSetListener raises( | Listener ) ListenerAlreadySetException );
Description Call this, if you want to get notifications about changes. The implementor has to call ::com::sun::star::lang::XComponent::addEventListener in this method, so that we can call ::com::sun::star::lang::XEventListener::disposing at the listener Parameter Listener a listener for resultset notifications Throws ListenerAlreadySetException if this method is called more than once during the life of the implementation object or if this method is called if someone already has fetched the ContentResultSet via XDynamicResultSet::getStaticResultSet .
connectToCache
void connectToCache( | [in] XDynamicResultSet raises( | Cache ) ListenerAlreadySetException, AlreadyInitializedException, ServiceNotFoundException );
Description Connects this to a CachedDynamicResultSet for optimized remote data transport. This method creates a CachedDynamicResultSetStub and sets it as Source to the given cache. After this method has returned you can and have to use the given result set cache for further access. Parameter Cache has to be an implementation of the service CachedDynamicResultSet . In particular it has to support the interface XSourceInitialization . Throws ListenerAlreadySetException if if someone already has fetched the ContentResultSet via XDynamicResultSet::getStaticResultSet . Throws AlreadyInitializedException if Cache was already initialized with another source. Throws ServiceNotFoundException
getCapabilities
short getCapabilities(); |  |
Description Using this method you can get information, whether the offered ContentResultSet s are sorted or filtered etc correctly as demanded during the creation of the XDynamicResultSet . Returns zero or more constants of the ContentResultSetCapability constants group.

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