Package org.eclipse.core.databinding.property.list

Class DelegatingListProperty<S,E>

java.lang.Object
org.eclipse.core.databinding.property.list.ListProperty<S,E>
org.eclipse.core.databinding.property.list.DelegatingListProperty<S,E>
Type Parameters:
S - type of the source object
E - type of the elements in the list
All Implemented Interfaces:
IProperty, IListProperty<S,E>
public abstract class DelegatingListProperty<S,E> extends ListProperty<S,E>
Since:
1.2

  • Constructor Details

    • DelegatingListProperty

      protected DelegatingListProperty()

    • DelegatingListProperty

      protected DelegatingListProperty(Object elementType)

  • Method Details

    • getDelegate

      public final IListProperty<S,E> getDelegate(S source)
      Returns the property to delegate to for the specified source object. Repeated calls to this method with the same source object returns the same delegate instance.
      Parameters:
      source - the property source (may be null)
      Returns:
      the property to delegate to for the specified source object.

    • doGetDelegate

      protected abstract IListProperty<S,E> doGetDelegate(S source)
      Returns the property to delegate to for the specified source object. Implementers must ensure that repeated calls to this method with the same source object returns the same delegate instance.
      Parameters:
      source - the property source
      Returns:
      the property to delegate to for the specified source object.

    • getElementType

      public Object getElementType()
      Description copied from interface: IListProperty
      Returns the type of the elements in the collection or null if untyped
      Returns:
      the type of the elements in the collection or null if untyped

    • doGetList

      protected List<E> doGetList(S source)
      Description copied from class: ListProperty
      Returns a List with the current contents of the source's list property
      Overrides:
      doGetList in class ListProperty<S,E>
      Parameters:
      source - the property source
      Returns:
      a List with the current contents of the source's list property

    • doSetList

      protected void doSetList(S source, List<E> list)
      Description copied from class: ListProperty
      Updates the property on the source with the specified change.
      Overrides:
      doSetList in class ListProperty<S,E>
      Parameters:
      source - the property source
      list - the new list

    • doUpdateList

      protected void doUpdateList(S source, ListDiff<E> diff)
      Description copied from class: ListProperty
      Updates the property on the source with the specified change
      Overrides:
      doUpdateList in class ListProperty<S,E>
      Parameters:
      source - the property source
      diff - a diff describing the change

    • observe

      public IObservableList<E> observe(S source)
      Description copied from interface: IListProperty
      Returns an observable list observing this list property on the given property source
      Specified by:
      observe in interface IListProperty<S,E>
      Overrides:
      observe in class ListProperty<S,E>
      Parameters:
      source - the property source
      Returns:
      an observable list observing this list property on the given property source

    • observe

      public IObservableList<E> observe(Realm realm, S source)
      Description copied from interface: IListProperty
      Returns an observable list observing this list property on the given property source
      Parameters:
      realm - the observable's realm
      source - the property source
      Returns:
      an observable list observing this list property on the given property source