Class CompoundDiff

java.lang.Object
org.apache.cayenne.graph.CompoundDiff
All Implemented Interfaces:
Serializable, GraphDiff

public class CompoundDiff
extends Object
implements GraphDiff
A GraphDiff that is a list of other GraphDiffs.
Since:
1.2
See Also:
Serialized Form
  • Field Details

  • Constructor Details

    • CompoundDiff

      public CompoundDiff()
      Creates an empty CompoundDiff instance.
    • CompoundDiff

      public CompoundDiff​(List<GraphDiff> diffs)
      Creates CompoundDiff instance. Note that a List is not cloned in this constructor, so subsequent calls to add and addAll would modify the original list.
  • Method Details

    • isNoop

      public boolean isNoop()
      Returns true if this diff has no other diffs or if all of its diffs are noops.
      Specified by:
      isNoop in interface GraphDiff
    • getDiffs

      public List<GraphDiff> getDiffs()
    • add

      public void add​(GraphDiff diff)
    • addAll

      public void addAll​(Collection<? extends GraphDiff> diffs)
    • apply

      public void apply​(GraphChangeHandler tracker)
      Iterates over diffs list, calling "apply" on each individual diff.
      Specified by:
      apply in interface GraphDiff
    • undo

      public void undo​(GraphChangeHandler tracker)
      Iterates over diffs list in reverse order, calling "apply" on each individual diff.
      Specified by:
      undo in interface GraphDiff