public static Bitmap GetEmployeePhoto(Guid employeeId)
{
byte[] photoData = null;
// Attempt to retrieve from cache
ICacheManager cache = EnterpriseLibraryContainer.Current.GetInstance <ICacheManager>();
photoData = (byte[])cache[employeeId.ToString()];
// Retrieve from dataProvider if not in Cache and Online
if (photoData == null && ConnectionManager.IsOnline)
{
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
photoData = dataProvider.GetEmployeePhotoData(employeeId);
cache.Add(employeeId.ToString(), photoData);
}
// No data found.
if (photoData == null)
{
return(null);
}
// Convert bytes to Bitmap
using (MemoryStream ms = new MemoryStream(photoData))
{
return(new Bitmap(ms));
}
}
public static EmployeesDataSet GetContactDetails()
{
EmployeesDataSet dsEmployees = null;
// Attempt to retrieve from cache
ICacheManager cache = EnterpriseLibraryContainer.Current.GetInstance <ICacheManager>();
dsEmployees = (EmployeesDataSet)cache[CACHE_KEY];
// Retrieve from dataProvider if not in Cache and Online
if (dsEmployees == null && ConnectionManager.IsOnline)
{
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
dsEmployees = dataProvider.GetEmployees();
// Expire in 2 days
AbsoluteTime expiry = new AbsoluteTime(new TimeSpan(2, 0, 0, 0));
cache.Add(
CACHE_KEY,
dsEmployees,
CacheItemPriority.High,
null,
new ICacheItemExpiration[] { expiry });
}
return(dsEmployees);
}
public static Bitmap GetEmployeePhoto(Guid employeeId)
{
byte[] photoData = null;
// TODO: Add Caching of Photo
//EmployeeDataProvider dataProvider = new EmployeeDataProvider();
//photoData = dataProvider.GetEmployeePhotoData(employeeId);
ICacheManager cache = EnterpriseLibraryContainer.Current.GetInstance <ICacheManager>();
photoData = (byte[])cache[employeeId.ToString()];
// No data found.
if (photoData == null)
{
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
photoData = dataProvider.GetEmployeePhotoData(employeeId);
cache.Add(employeeId.ToString(), photoData);
}
// Convert bytes to Bitmap
using (MemoryStream ms = new MemoryStream(photoData))
{
return(new Bitmap(ms));
}
}
public static EmployeesDataSet GetContactDetails()
{
EmployeesDataSet dsEmployees = null;
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
dsEmployees = dataProvider.GetEmployees();
return(dsEmployees);
}
public static EmployeesDataSet GetContactDetails()
{
EmployeesDataSet dsEmployees = null;
// TODO: Add persistent caching with time-out
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
dsEmployees = dataProvider.GetEmployees();
return(dsEmployees);
}
public static Bitmap GetEmployeePhoto(Guid employeeId)
{
byte[] photoData = null;
// TODO: Add Caching of Photo
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
photoData = dataProvider.GetEmployeePhotoData(employeeId);
// No data found.
if (photoData == null)
{
return(null);
}
// Convert bytes to Bitmap
using (MemoryStream ms = new MemoryStream(photoData))
{
return(new Bitmap(ms));
}
}
// TODO: PopulateCache & BeginBackgroundLoad
private static void PopulateCache()
{
byte[] photoData = null;
EmployeesDataSet dsEmployees = GetContactDetails();
if (dsEmployees == null)
{
return;
}
ICacheManager cache = EnterpriseLibraryContainer.Current.GetInstance <ICacheManager>();
foreach (EmployeesDataSet.EmployeesRow employee in dsEmployees.Employees)
{
if (!cache.Contains(employee.EmployeeID.ToString()))
{
EmployeeDataProvider dataProvider = new EmployeeDataProvider();
photoData = dataProvider.GetEmployeePhotoData(employee.EmployeeID);
cache.Add(employee.EmployeeID.ToString(), photoData);
}
}
}
