Package org.eclipse.core.databinding.observable.set

Class SetDiff<E>

java.lang.Object
org.eclipse.core.databinding.observable.set.SetDiff<E>
Type Parameters:
E - the type of elements in this diff
All Implemented Interfaces:
IDiff
public abstract class SetDiff<E> extends Object implements IDiff
Describes the difference between two sets
Since:
1.0

  • Constructor Details

    • SetDiff

      public SetDiff()

  • Method Details

    • getAdditions

      public abstract Set<E> getAdditions()
      Returns:
      the set of added elements

    • getRemovals

      public abstract Set<E> getRemovals()
      Returns:
      the set of removed elements

    • isEmpty

      public boolean isEmpty()
      Returns true if the diff has no added or removed elements.
      Returns:
      true if the diff has no added or removed elements.
      Since:
      1.2

    • applyTo

      public void applyTo(Set<? super E> set)
      Applies the changes in this diff to the given set
      Parameters:
      set - the set to which the diff will be applied
      Since:
      1.2

    • simulateOn

      public Set<E> simulateOn(Set<E> set)
      Returns a Set showing what set would look like if this diff were applied to it. The passed-in list is presumed to contain all elements in getRemovals(), and none of the elements in getAdditions().

      Note:the returned list is only guaranteed to be valid while the passed in set remains unchanged.

      Parameters:
      set - the set over which the diff will be simulated
      Returns:
      a Set showing what set would look like if it were passed to the applyTo(Set) method.
      Since:
      1.3

    • toString

      public String toString()
      Overrides:
      toString in class Object