Easy Merge

Reference Model Management feature is supported only in Astah Professional edition.

Merge via API

1. Open a project file
2. Easy Merge
3. Save as a project file

import com.change_vision.jude.api.inf.AstahAPI;
import com.change_vision.jude.api.inf.project.ProjectAccessor;

public class Test {
  public static void main(String[] args) {
    try {
      ProjectAccessor prjAccessor = AstahAPI.getAstahAPI().getProjectAccessor();

      prjAccessor.open("C:\\API\\pro305.asta");
      prjAccessor.easyMerge("C:\\API\\pro305_ref.asta", false);

      prjAccessor.saveAs("C:\\API\\pro305_2.asta");

      prjAccessor.close();

    } catch (Exception e) {
        e.printStackTrace();
    }
  }
}