Interface IBaseIndex

  • All Known Implementing Classes:
    EMFBaseIndexWrapper

    public interface IBaseIndex
    Represents the index maintained on the model.
    Since:
    0.9
    • Method Detail

      • coalesceTraversals

        <V> V coalesceTraversals​(java.util.concurrent.Callable<V> callable)
                          throws java.lang.reflect.InvocationTargetException
        The given callback will be executed, and all model traversals and index registrations will be delayed until the execution is done. If there are any outstanding feature, class or datatype registrations, a single coalesced model traversal will initialize the caches and deliver the notifications.
        Parameters:
        callable -
        Throws:
        java.lang.reflect.InvocationTargetException
      • resampleDerivedFeatures

        void resampleDerivedFeatures()
        Updates the value of indexed derived features that are not well-behaving.
      • addIndexingErrorListener

        boolean addIndexingErrorListener​(IIndexingErrorListener listener)
        Adds a listener for internal errors in the index. A listener can only be added once.
        Parameters:
        listener -
        Since:
        0.8.0
      • removeIndexingErrorListener

        boolean removeIndexingErrorListener​(IIndexingErrorListener listener)
        Removes a listener for internal errors in the index
        Parameters:
        listener -
        Since:
        0.8.0
      • addInstanceObserver

        boolean addInstanceObserver​(IInstanceObserver observer,
                                    java.lang.Object observedObject)
        Register a lightweight observer that is notified if any edge starting at the given Object changes.
        Parameters:
        observer - the listener instance
        observedObject - the observed instance object
        Returns:
        false if no observer can be registered for the given instance (e.g. it is a primitive), or observer was already registered (call has no effect)
      • removeInstanceObserver

        boolean removeInstanceObserver​(IInstanceObserver observer,
                                       java.lang.Object observedObject)
        Unregisters a lightweight observer for the given Object.
        Parameters:
        observer - the listener instance
        observedObject - the observed instance object
        Returns:
        false if no observer can be registered for the given instance (e.g. it is a primitive), or no observer was registered previously (call has no effect)