/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public Hashtable LoadProducts()
{
try
{
_keyVals = new Hashtable();
int productID = 0;
Random rand = new Random();
while(productID < _ProductName.Length)
{
Product product = new Product();
product.ProductID = productID++;
product.Name = _ProductName[productID];
product.Supplier = (int)rand.Next(1, 10);
product.Category = (int)rand.Next(1, 8);
product.UnitsAvailable = (int)rand.Next(1, 100);
_keyVals[product.ProductID] = product;
}
}
catch(Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
}
return _keyVals;
}
public static void Main(string[] args)
{
try
{
Cache cache;
cache = NCache.InitializeCache("mypartitionedcache");
cache.Clear();
string[] keysToAdd = new string[] { "Product:Cheese", "Product:Butter", "Product:Cream", "Product:Yogurt" };
Product[] products = new Product[4];
products[0] = new Product(1, "Dairy Milk Cheese", "ClassA", 1);
products[1] = new Product(2, "American Butter", "ClassA", 1);
products[2] = new Product(3, "Walmart Delicious Cream", "ClassA", 2);
products[3] = new Product(4, "Nestle Yogurt", "ClassA", 2);
//Adding Bulk Items
//Bulk operation returns
IDictionary result = cache.AddBulk(keysToAdd, new CacheItem[] { new CacheItem(products[0]), new CacheItem(products[1]), new CacheItem(products[2]), new CacheItem(products[3]) });
if (result.Count == 0)
{
Console.WriteLine("All items are successfully added to cache.");
}
else
{
Console.WriteLine("One or more items could not be added to the cache. Iterate hashmap for details.");
//This is how to iterate the hashmap
for (IEnumerator iter = result.Values.GetEnumerator(); iter.MoveNext();)
{
Product product = (Product) iter;
PrintProductDetails(product);
}
}
//Getting bulk items
IDictionary items = cache.GetBulk(keysToAdd);
if (items.Count > 0)
{
for (IEnumerator iter = items.Values.GetEnumerator(); iter.MoveNext();)
{
Product product = (Product) iter.Current;
PrintProductDetails(product);
}
}
//Updating Bulk Items
//Previous products have their product id, class and category changed.
products[0].ClassName = "ClassB";
products[1].ClassName = "ClassC";
products[2].ClassName = "ClassA";
products[3].ClassName = "ClassD";
result = cache.InsertBulk(keysToAdd, new CacheItem[] { new CacheItem(products[0]), new CacheItem(products[1]), new CacheItem(products[2]), new CacheItem(products[3]) });
if (result.Count == 0)
{
Console.WriteLine("All items successfully added/updated in cache.");
}
else
{
Console.WriteLine("One or more items could not be added to the cache. Iterate hashmap for details.");
//This is how to iterate the hashmap
for (IEnumerator iter = result.Values.GetEnumerator(); iter.MoveNext();)
{
Product product = (Product) iter;
PrintProductDetails(product);
}
}
items = cache.GetBulk(keysToAdd);
if (items.Count > 0)
{
for (IEnumerator iter = items.Values.GetEnumerator(); iter.MoveNext();)
{
Product product = (Product) iter.Current;
PrintProductDetails(product);
}
}
//Remove Bulk operation
//Remove returns all the items removed from the cache in them form of Hashmap
result = cache.RemoveBulk(keysToAdd);
if (result.Count == 0)
{
Console.WriteLine("No items removed from the cache against the provided keys.");
}
else
{
Console.WriteLine("Following products have been removed from the cache:");
//This is how to iterate the hashmap
for (IEnumerator iter = result.Values.GetEnumerator(); iter.MoveNext();)
{
Product product = (Product) iter.Current;
PrintProductDetails(product);
}
}
//Delete Bulk from Cache is same as Remove
//Delete bulk does not return anything
cache.DeleteBulk(keysToAdd);
Console.WriteLine("Cache contains " + cache.Count + " items.");
//Must dispose cache
cache.Dispose();
Environment.Exit(0);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Environment.Exit(0);
}
}
/// <summary>
/// Method for printing detials of product type.
/// </summary>
/// <param name="product"></param>
private static void PrintProductDetails(Product product)
{
Console.WriteLine("Id: " + product.ProductID);
Console.WriteLine("Name: " + product.Name);
Console.WriteLine("Class: " + product.ClassName);
Console.WriteLine("Category: " + product.Category);
Console.WriteLine();
}