//*************************************************************
//Method: Initialize
//
//Purpose: Initializes the DataLayer, will deserialize data
// from JSON files into the class' member variables.
//*************************************************************
public void Initialize()
{
//Desearlizes Course information into the courses member variable.
FileStream cReader = new FileStream("TestCourse.json", FileMode.Open, FileAccess.Read);
DataContractJsonSerializer cInput;
cInput = new DataContractJsonSerializer(typeof(CourseCollection));
courses = (CourseCollection)cInput.ReadObject(cReader);
cReader.Close();
//Desearlizes Professor information into the professors member variable.
FileStream pReader = new FileStream("TestProfessor.json", FileMode.Open, FileAccess.Read);
DataContractJsonSerializer pInput;
pInput = new DataContractJsonSerializer(typeof(ProfessorCollection));
professors = (ProfessorCollection)pInput.ReadObject(pReader);
pReader.Close();
//Desearlizes Room information into the rooms member variable.
FileStream rReader = new FileStream("TestRoom.json", FileMode.Open, FileAccess.Read);
DataContractJsonSerializer rInput;
rInput = new DataContractJsonSerializer(typeof(RoomCollection));
rooms = (RoomCollection)rInput.ReadObject(rReader);
rReader.Close();
//Desearlizes CourseMeeting information into the courseMeeting member variable.
FileStream cmReader = new FileStream("TestCourseMeet.json", FileMode.Open, FileAccess.Read);
DataContractJsonSerializer cmInput;
cmInput = new DataContractJsonSerializer(typeof(CourseMeetingCollection));
courseMeetings = (CourseMeetingCollection)cmInput.ReadObject(cmReader);
cmReader.Close();
}
//*************************************************************
//Method: DataLayer
//
//Purpose: Constructor for the DataLayer class that assigns
// default values.
//*************************************************************
public DataLayer()
{
courses = new CourseCollection();
professors = new ProfessorCollection();
rooms = new RoomCollection();
courseMeetings = new CourseMeetingCollection();
}
//********************************************************************
//Method: FindByRoom
//
//Purpose: Performs a search on CourseMeeting elements, elements
// that have a RoomID that matches the passed in roomId
// will be added to a list and returned.
//********************************************************************
public CourseMeetingCollection FindByRoom(int roomId)
{
CourseMeetingCollection cmc = new CourseMeetingCollection();
cmc.courseMeetings = new List <CourseMeeting>();
foreach (CourseMeeting coursemeeting in courseMeetings)
{
if (coursemeeting.n_RoomID == roomId)
{
cmc.courseMeetings.Add(coursemeeting);
}
}
return(cmc);
}
//************************************************************************
//Method: FindByProfessor
//
//Purpose: Performs a search on CourseMeeting elements, elements
// that have a ProfessorID that matches the passed in professorId
// will be added to a list and returned.
//************************************************************************
public CourseMeetingCollection FindByProfessor(int professorId)
{
CourseMeetingCollection cmc = new CourseMeetingCollection();
cmc.courseMeetings = new List <CourseMeeting>();
foreach (CourseMeeting coursemeeting in courseMeetings)
{
if (coursemeeting.n_ProfessorID == professorId)
{
cmc.courseMeetings.Add(coursemeeting);
}
}
return(cmc);
}
