code: private Set<Artifact> getSessionArtifacts() {
          Set<Artifact> result = new LinkedHashSet<Artifact>();
          for (MavenProject p : getSession().getProjectDependencyGraph().getSortedProjects()) {
              result.add(p.getArtifact());
          }
          return result;
      }
docs: Returns all the session/reactor artifacts topologically sorted.
  
  @return