// For complete examples and data files, please go to https://github.com/aspose-tasks/Aspose.Tasks-for-Java
// The path to the documents directory.
String dataDir = Utils.getDataDir(UpdatedTaskLinkDataToMpp.class);

long OneSec = 10000000;// microsecond * 10
long OneMin = 60 * OneSec;
long OneHour = 60 * OneMin;

String newFile = "Blank2010.mpp";
// File to write test project
String resultFile = "Output.mpp";

// Read new empty file
Project project = new Project(newFile);

// Add eight tasks
Task task1 = project.getRootTask().getChildren().add("1");
task1.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));
task1.set(Tsk.START, project.get(Prj.START_DATE));
task1.set(Tsk.FINISH,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task1, task1.get(Tsk.DURATION).toDouble()));

Task task2 = project.getRootTask().getChildren().add("2");
task2.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));
task2.set(Tsk.START, project.get(Prj.START_DATE));
task2.set(Tsk.FINISH,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task2, task2.get(Tsk.DURATION).toDouble()));

project.getRootTask().getChildren().add(task1);
project.getRootTask().getChildren().add(task2);

Task task3 = project.getRootTask().getChildren().add("3");
task3.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));
task3.set(Tsk.START, project.get(Prj.START_DATE));
task3.set(Tsk.FINISH,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task3, task3.get(Tsk.DURATION).toDouble()));

Task task4 = project.getRootTask().getChildren().add("4");
task4.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));
task4.set(Tsk.START, project.get(Prj.START_DATE));
task4.set(Tsk.FINISH,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task4, task4.get(Tsk.DURATION).toDouble()));

project.getRootTask().getChildren().add(task3);
project.getRootTask().getChildren().add(task4);

Task task5 = project.getRootTask().getChildren().add("5");
task5.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));
java.util.Calendar cal = java.util.Calendar.getInstance();
cal.setTime(project.get(Prj.START_DATE));
cal.add(java.util.Calendar.DATE, 7);

task5.set(Prj.START_DATE, cal.getTime());
task5.set(Tsk.FINISH,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task5, task5.get(Tsk.DURATION).toDouble()));
task5.set(Tsk.CONSTRAINT_TYPE, ConstraintType.MustStartOn);
task5.set(Tsk.CONSTRAINT_DATE, task5.get(Tsk.START));

Task task6 = project.getRootTask().getChildren().add("6");
task6.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));
task6.set(Tsk.FINISH, task5.get(Tsk.START));
task6.set(Tsk.START,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task6, task6.get(Tsk.DURATION).toDouble()));

project.getRootTask().getChildren().add(task5);
project.getRootTask().getChildren().add(task6);

Task task7 = project.getRootTask().getChildren().add("7");
task7.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));

Task task8 = project.getRootTask().getChildren().add("8");
task8.set(Tsk.DURATION, project.getDuration(8, TimeUnitType.Hour));

project.getRootTask().getChildren().add(task7);
project.getRootTask().getChildren().add(task8);

task7.set(Tsk.START, project.get(Prj.START_DATE));
task7.set(Tsk.START,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task7, task7.get(Tsk.DURATION).toDouble()));

cal.setTime(project.get(Prj.START_DATE));
cal.add(java.util.Calendar.DATE, 1);
task8.set(Tsk.START, cal.getTime());
task8.set(Tsk.START,
        project.get(Prj.CALENDAR).getTaskFinishDateFromDuration(task8, task8.get(Tsk.DURATION).toDouble()));

// Add four TaskLinks with different TaskLinkTypes
TaskLink link1 = project.getTaskLinks().add(task1, task2, TaskLinkType.StartToStart);

TaskLink link2 = project.getTaskLinks().add(task3, task4, TaskLinkType.FinishToFinish);

TaskLink link3 = project.getTaskLinks().add(task5, task6, TaskLinkType.StartToFinish);

TaskLink link4 = project.getTaskLinks().add(task7, task8, TaskLinkType.FinishToStart);

link4.setLagFormat(TimeUnitType.Day);
link4.setLinkLag(60 * 8 * 10 * 10); // 10d
task8.set(Tsk.START,
        project.get(Prj.CALENDAR).getFinishDateByStartAndWork(task8.get(Tsk.FINISH), OneHour * 8 * 10));
task8.set(Tsk.FINISH, project.get(Prj.CALENDAR).getFinishDateByStartAndWork(task8.get(Tsk.START),
        task8.get(Tsk.DURATION).toDouble()));

project.save(dataDir + "Project.Mpp", SaveFileFormat.MPP);