public void TestCompositeCacheExpiryDelay()
{
INamedCache safecache = CacheFactory.GetCache(CacheName);
// ListenAll
CompositeCache compositeCache = new CompositeCache(new LocalCache(),
safecache,
CompositeCacheStrategyType.ListenNone);
compositeCache.Insert("key1", "value1", 50);
Assert.AreEqual("value1", compositeCache["key1"]);
Thread.Sleep(20);
// entry still didn't expire
Assert.AreEqual("value1", compositeCache["key1"]);
Thread.Sleep(100);
// should expire by now
Assert.IsNull(compositeCache["key1"]);
}
public void CompositeCacheListenAllTest()
{
INamedCache safecache = CacheFactory.GetCache(CacheName);
CompositeCache ccache = new CompositeCache(new LocalNamedCache(),
safecache,
CompositeCacheStrategyType.ListenAll);
ccache.Clear();
Hashtable ht = new Hashtable();
ht.Add(1, "Aleks");
ht.Add(2, "Ana");
ht.Add(3, "Goran");
ht.Add(4, "Ivan");
ccache.InsertAll(ht);
Assert.AreEqual(4, ccache.Keys.Count);
Assert.AreEqual(4, ccache.Values.Count);
Assert.AreEqual(4, ccache.Entries.Count);
//first entry gets inserted into back cache
ccache.Insert(100, "Jason");
Assert.IsNull(ccache.FrontCache[100]);
// when we reference the entry it gets inserted into front cache
// and listener is added (global listener)
Assert.AreEqual("Jason", ccache[100]);
Assert.AreEqual("Jason", ccache.FrontCache[100]);
// event is raised when entry is updated and front cache
// gets updated also
ccache[100] = "Cameron";
Assert.AreEqual("Cameron", ccache.FrontCache[100]);
Assert.AreEqual("Cameron", ccache[100]);
ccache[100] = null;
Assert.AreEqual(null, ccache[100]);
ccache.Remove(100);
Assert.IsNull(ccache.FrontCache[100]);
// gets all the entries from the hashtable ht,
// events are handled and entries are put into the front cache
IDictionary dict = ccache.GetAll(ht.Keys);
Assert.AreEqual(4, dict.Count);
Assert.AreEqual("Aleks", ccache.FrontCache[1]);
Assert.AreEqual("Ana", ccache.FrontCache[2]);
Assert.AreEqual("Goran", ccache.FrontCache[3]);
Assert.AreEqual("Ivan", ccache.FrontCache[4]);
Hashtable htnew = new Hashtable();
htnew.Add(1, "Cameron");
htnew.Add(2, "Gene");
htnew.Add(10, "Jason");
ccache.InsertAll(htnew);
// <deprecated>
// listeners are added for the first two entries, so front cache is updated
// thrird entry is not updated, it is inserted, so there is no entry in front cache
// first entry needs to be referenced so that event would be raised and entry copied
// into front cache.
// Assert.IsNull(ccache.FrontCache[10]);
// Assert.AreEqual("Jason", ccache[10]);
// </deprecated>
// after COHNET-94 fix, if invalidation strategy is ListenAll
// in the time of inserting new values into cache events are handled and
// front cache gets refreshed.
Assert.AreEqual("Cameron", ccache.FrontCache[1]);
Assert.AreEqual("Gene", ccache.FrontCache[2]);
Assert.AreEqual("Jason", ccache.FrontCache[10]);
// checking if inserting new entry is refreshing the front cache,
// a feature gained after COHNET-94 fix
ccache.Insert(11, "Ivan");
Assert.AreEqual("Ivan", ccache.FrontCache[11]);
CompositeCache ccache2 = new CompositeCache(new LocalNamedCache(),
safecache,
CompositeCacheStrategyType.ListenAll);
// another client is updating back cache
// front cache entry of current client gets invalidated
long invhits = ccache.InvalidationHits;
long invmiss = ccache.InvalidationMisses;
// invalidation is called for existing entry
ccache2.Insert(10, "unknown");
Assert.AreEqual("unknown", ccache[10]);
Assert.AreEqual(invhits + 1, ccache.InvalidationHits);
Assert.AreEqual(invmiss, ccache.InvalidationMisses);
// invalidation is called for non-existig entry
invhits = ccache.InvalidationHits;
invmiss = ccache.InvalidationMisses;
ccache2.Insert(101, "Milica");
Assert.AreEqual("Milica", ccache[101]);
Assert.AreEqual(invhits, ccache.InvalidationHits);
Assert.AreEqual(invmiss + 1, ccache.InvalidationMisses);
//releasing the front and back cache, including listeners
ccache2.Release();
ccache.Clear();
Assert.AreEqual(0, ccache.Count);
ccache.Release();
CacheFactory.Shutdown();
}
protected void PresentTest(INamedCache safecache, CompositeCache ccache)
{
Hashtable ht = new Hashtable();
ht.Add(1, "Aleks");
ht.Add(2, "Ana");
ht.Add(3, "Goran");
ht.Add(4, "Ivan");
ccache.InsertAll(ht);
//first entry gets inserted into back cache
ccache.Insert(100, "Jason");
Assert.IsNull(ccache.FrontCache[100]);
// when we reference the entry it gets inserted into front cache
// and listener is added
Assert.AreEqual("Jason", ccache[100]);
Assert.AreEqual("Jason", ccache.FrontCache[100]);
Assert.AreEqual(1, ccache.TotalRegisterListener);
// event is raised when entry is updated and front cache
// gets updated also
ccache[100] = "Cameron";
Assert.AreEqual("Cameron", ccache.FrontCache[100]);
Assert.AreEqual("Cameron", ccache[100]);
ccache.Remove(100);
Assert.IsNull(ccache.FrontCache[100]);
// gets all the entries from the "hashtable ht",
// puts them into the front cache
// and adds listener for them
IDictionary dict = ccache.GetAll(ht.Keys);
Assert.AreEqual(4, dict.Count);
Assert.AreEqual("Aleks", ccache.FrontCache[1]);
Assert.AreEqual("Ana", ccache.FrontCache[2]);
Assert.AreEqual("Goran", ccache.FrontCache[3]);
Assert.AreEqual("Ivan", ccache.FrontCache[4]);
Assert.AreEqual(5, ccache.TotalRegisterListener);
Hashtable htnew = new Hashtable();
htnew.Add(1, "Cameron");
htnew.Add(2, "Gene");
htnew.Add(10, "Jason");
ccache.InsertAll(htnew);
// listeners are added for the first two entries, so front cache is updated
// thrird entry is not updated, it is inserted, so there is no entry in front cache
Assert.AreEqual("Cameron", ccache.FrontCache[1]);
Assert.AreEqual("Gene", ccache.FrontCache[2]);
Assert.IsNull(ccache.FrontCache[10]);
Assert.AreEqual("Jason", ccache[10]);
CompositeCache ccache2 = new CompositeCache(new LocalNamedCache(),
safecache,
CompositeCacheStrategyType.ListenPresent);
// another client is updating back cache
// front cache entry of current client gets invalidated
long invhits = ccache.InvalidationHits;
long invmiss = ccache.InvalidationMisses;
// invalidation is called for existing entry
// therefore event listener is present
ccache2.Insert(10, "unknown");
Assert.AreEqual("unknown", ccache[10]);
// adding an listener when getting an entry for the first time
object obj = ccache2[10];
Assert.AreEqual(1, ccache2.TotalRegisterListener);
Assert.AreEqual(invhits + 1, ccache.InvalidationHits);
Assert.AreEqual(invmiss, ccache.InvalidationMisses);
// invalidation is called for non-existig entry
// therefore event listener is not present
// and event is not picked up and ccache.InvalidationHits or
// ccache.InvalidationMisses has not been changed
invhits = ccache.InvalidationHits;
invmiss = ccache.InvalidationMisses;
ccache2.Insert(101, "Milica");
Assert.AreEqual("Milica", ccache[101]);
Assert.AreEqual(invhits, ccache.InvalidationHits);
Assert.AreEqual(invmiss, ccache.InvalidationMisses);
//releasing the front and back cache, including listeners
ccache2.Release();
ccache.Clear();
Assert.AreEqual(0, ccache.Count);
ccache.Release();
CacheFactory.Shutdown();
}