public static void Main(string[] args)
{
try
{
//Initialize cache
Cache cache;
cache = NCache.InitializeCache("mypartitionedcache");
cache.Clear();
//Locking prevents multiple clients from updating the same data simultaneously
//and also provides the data consistency.
//Adding an item the cache
Customer customer = new Customer();
customer.Name = "Kirsten Goli";
customer.Age = 40;
customer.Address = "45-A West Boulevard, Cartago, Costa Rica";
customer.Gender = "Female";
customer.ContactNo = "52566-1779";
cache.Add("Customer:KirstenGoli", customer);
//Get
TimeSpan timeSpan = new TimeSpan(0,0,0,20);
LockHandle lockHandle = new LockHandle();
Customer getCustomer = (Customer) cache.Get("Customer:KirstenGoli", timeSpan, ref lockHandle, true);
PrintCustomerDetails(getCustomer);
Console.WriteLine("Lock acquired on " + lockHandle.LockId);
//Lock item in cache
bool isLocked = cache.Lock("Customer:KirstenGoli", timeSpan, out lockHandle);
if (!isLocked)
{
Console.WriteLine("Lock acquired on " + lockHandle.LockId);
}
//Unlock item in cache
cache.Unlock("Customer:KirstenGoli");
//Unlock via lockhandle
cache.Unlock("Customer:KirstenGoli", lockHandle);
//Must dispose cache
cache.Dispose();
Environment.Exit(0);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Environment.Exit(0);
}
}
/// <summary>
/// Method for printing customer type details.
/// </summary>
/// <param name="customer"></param>
public static void PrintCustomerDetails(Customer customer)
{
Console.WriteLine();
Console.WriteLine("Customer Details are as follows: ");
Console.WriteLine("Name: " + customer.Name);
Console.WriteLine("Age: " + customer.Age);
Console.WriteLine("Gender: " + customer.Gender);
Console.WriteLine("Contact No: " + customer.ContactNo);
Console.WriteLine("Address: " + customer.Address);
}
/// <summary>
/// Method for printing detials of customer type.
/// </summary>
/// <param name="customer"></param>
private static void printCustomerDetails(Customer customer)
{
if (customer == null) return;
Console.WriteLine();
Console.WriteLine("Customer Details are as follows: ");
Console.WriteLine("Name: " + customer.Name);
Console.WriteLine("Age: " + customer.Age);
Console.WriteLine("Gender: " + customer.Gender);
Console.WriteLine("Contact No: " + customer.ContactNo);
Console.WriteLine("Address: " + customer.Address);
Console.WriteLine();
}
public static void Main(string[] args)
{
try
{
//Initialize cache via 'initializeCache' using 'Cache Name'
//to be initialized.
Cache cache = NCache.InitializeCache("mypartitionedcache");
cache.Clear();
//Another method to add item(s) to cache is via CacheItem object
Customer customer = new Customer();
customer.Name = "David Johnes";
customer.Age = 23;
customer.Gender = "Male";
customer.ContactNo = "12345-6789";
customer.Address = "Silicon Valley, Santa Clara, California";
DateTime calendar = new DateTime();
calendar.AddMinutes(1);
//Adding item with an absolute expiration of 1 minute
cache.Add("Customer:DavidJohnes", customer, calendar, Cache.NoSlidingExpiration, CacheItemPriority.Normal);
Customer cachedCustomer = (Customer) cache.Get("Customer:DavidJohnes");
printCustomerDetails(cachedCustomer);
//updating item with a sliding expiration of 30 seconds
customer.Age = 50;
cache.Insert("Customer:DavidJohnes", customer, Cache.NoAbsoluteExpiration, new TimeSpan(0, 0, 30), CacheItemPriority.Normal);
//get customer from the cache
cachedCustomer = (Customer) cache.Get("Customer:DavidJohnes");
printCustomerDetails(cachedCustomer);
//Total item count in the cache
long count = cache.Count;
Console.WriteLine("Cache Count: " +count);
//remove the existing customer
cache.Remove("Customer:DavidJohnes");
//try to get the customer again, getting non-existing items returns null
cachedCustomer = (Customer) cache.Get("Customer:DavidJohnes");
printCustomerDetails(cachedCustomer);
//get count again, item count should be 0
count = cache.Count;
Console.WriteLine("Cache Count: " + count);
//Dispose the cache once done
cache.Dispose();
Environment.Exit(0);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Environment.Exit(0);
}
}
