public void CanScavengeInBackground()
{
CacheItem item1 = new CacheItem("key1", "value1", CacheItemPriority.Low, null);
CacheItem item2 = new CacheItem("key2", "value2", CacheItemPriority.Normal, null);
CacheItem item3 = new CacheItem("key3", "value3", CacheItemPriority.High, null);
AddCacheItem("key1", item1);
AddCacheItem("key2", item2);
AddCacheItem("key3", item3);
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 2;
view.GetCacheManagerSettings().CacheManagers["test"].NumberToRemoveWhenScavenging = 1;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
BackgroundScheduler scheduler = new BackgroundScheduler(null, scavenger);
scheduler.Start();
Thread.Sleep(500);
scheduler.StartScavenging();
Thread.Sleep(250);
scheduler.Stop();
Thread.Sleep(250);
Assert.AreEqual("key1", scavengedKeys);
}
/// <summary>
/// Initializes a new instance of the <see cref="IsolatedStorageBackingStore"/> class given the configuration data
/// </summary>
/// <param name="configurationView">An <see cref="CachingConfigurationView"></see> object</param>
public override void Initialize(ConfigurationView configurationView)
{
ArgumentValidation.CheckForNullReference(configurationView, "configurationView");
ArgumentValidation.CheckExpectedType(configurationView, typeof(CachingConfigurationView));
CachingConfigurationView cachingConfigurationView = (CachingConfigurationView)configurationView;
IsolatedStorageCacheStorageData isoStoreConfigurationData = (IsolatedStorageCacheStorageData)cachingConfigurationView.GetCacheStorageDataForCacheManager(CurrentCacheManager);
if (isoStoreConfigurationData.PartitionName == null)
{
throw new ConfigurationException(SR.IsolatedStoreAreaNameNullException(isoStoreConfigurationData.Name));
}
if (isoStoreConfigurationData.PartitionName.Length == 0)
{
throw new ConfigurationException(SR.IsolatedStoreAreaNameEmptyException(isoStoreConfigurationData.Name));
}
this.storageAreaName = isoStoreConfigurationData.PartitionName;
if (isoStoreConfigurationData.StorageEncryption != null)
{
StorageEncryptionFactory encryptionFactory = new StorageEncryptionFactory(cachingConfigurationView.ConfigurationContext);
this.encryptionProvider = encryptionFactory.CreateSymmetricProvider(CurrentCacheManager);
}
Initialize();
}
public void WillRemoveMultipleEligibleForScavenging()
{
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 2;
view.GetCacheManagerSettings().CacheManagers["test"].NumberToRemoveWhenScavenging = 3;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
CacheItem itemToRemove = new CacheItem("key1", "value", CacheItemPriority.High, null);
CacheItem itemToRemain = new CacheItem("key2", "value", CacheItemPriority.Low, null);
CacheItem itemToRemoveAlso = new CacheItem("key3", "value", CacheItemPriority.Normal, null);
itemToRemove.MakeEligibleForScavenging();
itemToRemain.MakeEligibleForScavenging();
itemToRemoveAlso.MakeEligibleForScavenging();
AddCacheItem("key1", itemToRemove);
AddCacheItem("key2", itemToRemain);
AddCacheItem("key3", itemToRemoveAlso);
scavenger.DoScavenging();
Assert.AreEqual("key2key3key1", scavengedKeys);
}
public void CanScavengeInBackground()
{
CacheItem item1 = new CacheItem("key1", "value1", CacheItemPriority.Low, null);
CacheItem item2 = new CacheItem("key2", "value2", CacheItemPriority.Normal, null);
CacheItem item3 = new CacheItem("key3", "value3", CacheItemPriority.High, null);
AddCacheItem("key1", item1);
AddCacheItem("key2", item2);
AddCacheItem("key3", item3);
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 2;
view.GetCacheManagerSettings().CacheManagers["test"].NumberToRemoveWhenScavenging = 1;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
BackgroundScheduler scheduler = new BackgroundScheduler(null, scavenger);
scheduler.Start();
Thread.Sleep(500);
scheduler.StartScavenging();
Thread.Sleep(250);
scheduler.Stop();
Thread.Sleep(250);
Assert.AreEqual("key1", scavengedKeys);
}
/// <summary>
/// Initializes this provider with the correct Symmetric Cryptographic Provider Factory
/// to create the correct cryptographic provider to encrypt or decrypt the data stored
/// in the cache.
/// </summary>
/// <param name="configurationView">A <see cref="CachingConfigurationView"></see> object</param>
public override void Initialize(ConfigurationView configurationView)
{
ArgumentValidation.CheckForNullReference(configurationView, "configurationView");
ArgumentValidation.CheckExpectedType(configurationView, typeof(CachingConfigurationView));
cachingConfigurationView = (CachingConfigurationView)configurationView;
}
/// <summary>
/// <para>Gets the <see cref="Type"/> of the <see cref="IStorageEncryptionProvider"/> for the factory to create for a <see cref="CacheManager"/>.</para>
/// </summary>
/// <param name="cacheManagerName">
/// <para>The name of the cache manager to create the <see cref="IStorageEncryptionProvider"/>.</para>
/// </param>
/// <returns>
/// <para>The <see cref="Type"/> of the <see cref="IStorageEncryptionProvider"/> to create.</para>
/// </returns>
protected override Type GetConfigurationType(string cacheManagerName)
{
CachingConfigurationView view = (CachingConfigurationView)CreateConfigurationView();
StorageEncryptionProviderData data = view.GetStorageEncryptionProviderData(cacheManagerName);
return(GetType(data.TypeName));
}
/// <summary>
/// Initializes this provider with the correct Symmetric Cryptographic Provider Factory
/// to create the correct cryptographic provider to encrypt or decrypt the data stored
/// in the cache.
/// </summary>
/// <param name="configurationView">A <see cref="CachingConfigurationView"></see> object</param>
public override void Initialize(ConfigurationView configurationView)
{
ArgumentValidation.CheckForNullReference(configurationView, "configurationView");
ArgumentValidation.CheckExpectedType(configurationView, typeof (CachingConfigurationView));
cachingConfigurationView = (CachingConfigurationView) configurationView;
}
public void WillScavenge()
{
CacheItem item1 = new CacheItem("key1", "value1", CacheItemPriority.NotRemovable, null);
CacheItem item2 = new CacheItem("key2", "value2", CacheItemPriority.High, null);
CacheItem item3 = new CacheItem("key3", "value3", CacheItemPriority.Normal, null);
CacheItem item4 = new CacheItem("key4", "value4", CacheItemPriority.Low, null);
AddCacheItem("key1", item1);
AddCacheItem("key2", item2);
AddCacheItem("key3", item3);
AddCacheItem("key4", item4);
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 1;
view.GetCacheManagerSettings().CacheManagers["test"].NumberToRemoveWhenScavenging = 2;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
scavenger.DoScavenging();
Assert.AreEqual("key4key3", scavengedKeys);
}
public void WillNotDieIfNotEnoughItemsToScavenge()
{
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 2;
view.GetCacheManagerSettings().CacheManagers["test"].NumberToRemoveWhenScavenging = 4;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
CacheItem itemToRemove = new CacheItem("key1", "value", CacheItemPriority.High, null);
CacheItem itemToRemain = new CacheItem("key2", "value", CacheItemPriority.Low, null);
CacheItem itemToRemoveAlso = new CacheItem("key3", "value", CacheItemPriority.Normal, null);
itemToRemove.MakeEligibleForScavenging();
itemToRemain.MakeEligibleForScavenging();
itemToRemoveAlso.MakeEligibleForScavenging();
AddCacheItem("key1", itemToRemove);
AddCacheItem("key2", itemToRemain);
AddCacheItem("key3", itemToRemoveAlso);
scavenger.DoScavenging();
Assert.AreEqual("key2key3key1", scavengedKeys);
}
public string MapName(string name, IConfigurationSource configurationSource)
{
if (name == null)
{
CachingConfigurationView view = new CachingConfigurationView(configurationSource);
return(view.DefaultCacheManager);
}
return(name);
}
public static CacheManager Create(string name, IConfigurationSource configurationSource)
{
CachingConfigurationView configurationView = new CachingConfigurationView(configurationSource);
CacheManagerData objectConfiguration = configurationView.GetCacheManagerData(name);
IBackingStore backingStore =
EnterpriseLibraryFactory.BuildUp <IBackingStore>(objectConfiguration.CacheStorage, configurationSource);
return(new MockCacheManagerFactoryHelper().BuildCacheManager(
name,
backingStore,
objectConfiguration.MaximumElementsInCacheBeforeScavenging,
objectConfiguration.NumberToRemoveWhenScavenging,
objectConfiguration.ExpirationPollFrequencyInSeconds,
new CachingInstrumentationProvider()));
}
/// <summary>
/// Initializes a new instance of the <see cref="DataBackingStore"/> class
/// with the specified configuration information.
/// </summary>
/// <param name="configurationView">A <see cref="CachingConfigurationView"></see> object</param>
/// <exception cref="System.Configuration.ConfigurationException">Reflects any failures to read configuration information</exception>
/// <remarks>Other exceptions thrown depend on the implementation of the underlying database.</remarks>
public override void Initialize(ConfigurationView configurationView)
{
ArgumentValidation.CheckForNullReference(configurationView, "configurationView");
ArgumentValidation.CheckExpectedType(configurationView, typeof(CachingConfigurationView));
CachingConfigurationView cachingConfigurationView = (CachingConfigurationView)configurationView;
DataCacheStorageData dataConfiguration = (DataCacheStorageData)cachingConfigurationView.GetCacheStorageDataForCacheManager(CurrentCacheManager);
partitionName = dataConfiguration.PartitionName;
DatabaseProviderFactory dataFactory = new DatabaseProviderFactory(cachingConfigurationView.ConfigurationContext);
database = dataFactory.CreateDatabase(dataConfiguration.DatabaseInstanceName);
if (dataConfiguration.StorageEncryption != null)
{
StorageEncryptionFactory encryptionFactory = new StorageEncryptionFactory(cachingConfigurationView.ConfigurationContext);
encryptionProvider = encryptionFactory.CreateSymmetricProvider(CurrentCacheManager);
}
}
public void WillRemoveSingleItemFromCache()
{
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 0;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
CacheItem itemToRemove = new CacheItem("key", "value", CacheItemPriority.Low, null);
itemToRemove.MakeEligibleForScavenging();
AddCacheItem("key", itemToRemove);
scavenger.DoScavenging();
Assert.AreEqual("key", scavengedKeys);
}
public static CacheManager Create(string name, IConfigurationSource configurationSource)
{
CachingConfigurationView configurationView = new CachingConfigurationView(configurationSource);
CacheManagerData objectConfiguration = configurationView.GetCacheManagerData(name);
IBackingStore backingStore =
EnterpriseLibraryFactory.BuildUp<IBackingStore>(objectConfiguration.CacheStorage, configurationSource);
return new MockCacheManagerFactoryHelper().BuildCacheManager(
name,
backingStore,
objectConfiguration.MaximumElementsInCacheBeforeScavenging,
objectConfiguration.NumberToRemoveWhenScavenging,
objectConfiguration.ExpirationPollFrequencyInSeconds,
new CachingInstrumentationProvider());
}
public void WillRemoveSingleItemFromCache()
{
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 0;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
CacheItem itemToRemove = new CacheItem("key", "value", CacheItemPriority.Low, null);
itemToRemove.MakeEligibleForScavenging();
AddCacheItem("key", itemToRemove);
scavenger.DoScavenging();
Assert.AreEqual("key", scavengedKeys);
}
public void WillScavenge()
{
CacheItem item1 = new CacheItem("key1", "value1", CacheItemPriority.NotRemovable, null);
CacheItem item2 = new CacheItem("key2", "value2", CacheItemPriority.High, null);
CacheItem item3 = new CacheItem("key3", "value3", CacheItemPriority.Normal, null);
CacheItem item4 = new CacheItem("key4", "value4", CacheItemPriority.Low, null);
AddCacheItem("key1", item1);
AddCacheItem("key2", item2);
AddCacheItem("key3", item3);
AddCacheItem("key4", item4);
TestConfigurationContext context = new TestConfigurationContext();
CachingConfigurationView view = new CachingConfigurationView(context);
view.GetCacheManagerSettings().CacheManagers["test"].MaximumElementsInCacheBeforeScavenging = 1;
view.GetCacheManagerSettings().CacheManagers["test"].NumberToRemoveWhenScavenging = 2;
CacheCapacityScavengingPolicy scavengingPolicy = new CacheCapacityScavengingPolicy("test", view);
ScavengerTask scavenger = new ScavengerTask("test", view, scavengingPolicy, this);
scavenger.DoScavenging();
Assert.AreEqual("key4key3", scavengedKeys);
}
protected override StorageEncryptionProviderData GetConfiguration(string name, IConfigurationSource configurationSource)
{
CachingConfigurationView view = new CachingConfigurationView(configurationSource);
return(view.GetStorageEncryptionProviderData(name));
}
/// <summary>
/// This method supports the Enterprise Library infrastructure and is not intended to be used directly from your code.
/// Returns the default cache manager name from the configuration in the <paramref name="configSource"/>, if the
/// value for <paramref name="name"/> is <see langword="null"/> (<b>Nothing</b> in Visual Basic).
/// </summary>
/// <param name="name">The current name.</param>
/// <param name="configurationSource">The source for configuration information.</param>
/// <returns>The default cache manager name if <paramref name="name"/> is <see langword="null"/> (<b>Nothing</b> in Visual Basic),
/// otherwise the original value for <b>name</b>.</returns>
public string MapName(string name, IConfigurationSource configurationSource)
{
if (name == null)
{
CachingConfigurationView view = new CachingConfigurationView(configurationSource);
return view.DefaultCacheManager;
}
return name;
}
public CacheCapacityScavengingPolicy(string cacheManagerName, CachingConfigurationView latestConfigurationData)
{
this.latestConfigurationData = latestConfigurationData;
this.cacheManagerName = cacheManagerName;
}
public CacheCapacityScavengingPolicy(string cacheManagerName, CachingConfigurationView latestConfigurationData)
{
this.latestConfigurationData = latestConfigurationData;
this.cacheManagerName = cacheManagerName;
}
