/*
Copyright 2003-2012 Dmitry Barashev, GanttProject Team

This file is part of GanttProject, an opensource project management tool.

GanttProject is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

GanttProject is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GanttProject.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sourceforge.ganttproject.task.dependency;

import java.util.List;

import com.google.common.base.Function;

import net.sourceforge.ganttproject.task.Task;

public interface TaskDependencySlice {
  TaskDependency[] toArray();

  void clear();

  void clear(List<Task> selection);

  boolean hasLinks(List<Task> selection);

  TaskDependency getDependency(Task dependee);

  Function<Task, TaskDependencySlice> DEPENDANT_SLICE_FXN = new Function<Task, TaskDependencySlice>() {
    @Override
    public TaskDependencySlice apply(Task task) {
      return task.getDependenciesAsDependant();
    }
  };
  Function<Task, TaskDependencySlice> DEPENDEE_SLICE_FXN = new Function<Task, TaskDependencySlice>() {
    @Override
    public TaskDependencySlice apply(Task task) {
      return task.getDependenciesAsDependee();
    }
  };
  Function<Task, TaskDependencySlice> COMPLETE_SLICE_FXN = new Function<Task, TaskDependencySlice>() {
    @Override
    public TaskDependencySlice apply(Task task) {
      return task.getDependencies();
    }
  };
}
