import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; //导入依赖的package包/类
public NbTask createSubtask (NbTask parentTask) throws CoreException {
    ensureTaskListLoaded();
    TaskRepository taskRepository = taskRepositoryManager.getRepository(parentTask.getDelegate().getRepositoryUrl());
    if (taskRepository == null || parentTask.isUnsubmittedRepositoryTask()) {
        throw new IllegalStateException("Task repository: " + parentTask.getDelegate().getRepositoryUrl()
                + " - parent: " + parentTask.isUnsubmittedRepositoryTask());
    }
    AbstractTask task = createNewTask(taskRepository);
    AbstractRepositoryConnector repositoryConnector = taskRepositoryManager.getRepositoryConnector(taskRepository.getConnectorKind());
    AbstractTaskDataHandler taskDataHandler = repositoryConnector.getTaskDataHandler();
    
    TaskAttributeMapper attributeMapper = repositoryConnector.getTaskDataHandler().getAttributeMapper(taskRepository);
    TaskData taskData = new TaskData(attributeMapper, repositoryConnector.getConnectorKind(), taskRepository.getRepositoryUrl(), "");
    taskDataHandler.initializeSubTaskData(taskRepository, taskData, parentTask.getTaskDataState().getRepositoryData(), new NullProgressMonitor());
    initializeTask(repositoryConnector, taskData, task, taskRepository);        
    return MylynSupport.getInstance().toNbTask(task);
}
 

import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; //导入依赖的package包/类
/**
 * Creates an unsubmitted task that's to be populated and submitted later.
 * The task is local until submitted and kept in the tasklist under
 * "Unsubmitted" category.
 *
 * @param taskRepository repository the task will be submitted to later.
 * @param initializingData default data (such as product/component) to
 * preset in the new task's data
 * @return the newly created task.
 * @throws CoreException tasklist or task data storage is inaccessible
 */
public NbTask createTask (TaskRepository taskRepository, ITaskMapping initializingData) throws CoreException {
    ensureTaskListLoaded();
    AbstractTask task = createNewTask(taskRepository);
    AbstractRepositoryConnector repositoryConnector = taskRepositoryManager.getRepositoryConnector(taskRepository.getConnectorKind());
    AbstractTaskDataHandler taskDataHandler = taskRepository == localTaskRepository
            ? new LocalTaskDataHandler(taskRepository)
            : repositoryConnector.getTaskDataHandler();
    TaskAttributeMapper attributeMapper = taskDataHandler.getAttributeMapper(taskRepository);
    TaskData taskData = new TaskData(attributeMapper, repositoryConnector.getConnectorKind(), taskRepository.getRepositoryUrl(), "");
    taskDataHandler.initializeTaskData(taskRepository, taskData, initializingData, new NullProgressMonitor());
    initializeTask(repositoryConnector, taskData, task, taskRepository);
    return MylynSupport.getInstance().toNbTask(task);
}
 

import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; //导入依赖的package包/类
@Override
public @Nullable AbstractTaskDataHandler getTaskDataHandler() {
	return taskDataHandler;

}
 

import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; //导入依赖的package包/类
@Override
public AbstractTaskDataHandler getTaskDataHandler()
{
	return taskDataHandler;
}
 

import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; //导入依赖的package包/类
@Override
public AbstractTaskDataHandler getTaskDataHandler() {
  return taskDataHandler;
}
 

import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; //导入依赖的package包/类
@Override
public AbstractTaskDataHandler getTaskDataHandler() {
	return handler;
}