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:

  • 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