private WebAppSettingStore GetSettingStore()
{
rrLock.EnterUpgradeableReadLock();
try
{
if (_settingStore == null || (DateTime.Now.Subtract(lastLoad).TotalSeconds) > cacheInterval)
{
//Need to exist so don't deadlock.
rrLock.EnterWriteLock();
try
{
//make sure first another thread didn't already load...
if (_settingStore == null || (DateTime.Now.Subtract(lastLoad).TotalSeconds) > cacheInterval)
{
_settingStore = WebAppSettingStore.Load(this.webApplication);
lastLoad = DateTime.Now;
}
}
finally
{
rrLock.ExitWriteLock();
}
}
return(_settingStore);
}
finally
{
rrLock.ExitUpgradeableReadLock();
}
}
public void Remove(string key)
{
var logger = SharePointServiceLocator.GetCurrent().GetInstance <ILogger>();
rrLock.EnterWriteLock();
try
{
//intentionally nested, both cases getting a write lock, is safe and ensures no race.
//Force the reload of the persisted object, which minimizes chances of a failure due
// to a concurrency failure.
Reset();
WebAppSettingStore store = GetWriteSettingStore();
if (store.Settings.ContainsKey(key))
{
store.Settings.Remove(key);
store.Update();
}
}
catch (SPUpdatedConcurrencyException)
{
Reset();
throw;
}
finally
{
rrLock.ExitWriteLock();
}
}
private WebAppSettingStore GetWriteSettingStore()
{
rrLock.EnterUpgradeableReadLock();
try
{
GetSettingStore();
if (_settingStore == null) // setting store not yet created
{
rrLock.EnterWriteLock();
try
{
_settingStore = WebAppSettingStore.Create(this.webApplication);
}
finally
{
rrLock.ExitWriteLock();
}
}
return(_settingStore);
}
finally
{
rrLock.ExitUpgradeableReadLock();
}
}
public void AddAndRemove()
{
//Arrange
SPWebAppPropertyBag.ClearCache();
MSPPersistedObject webPO;
WebAppSettingStore wss;
string key = "flintstone";
var webApp = new BSPConfiguredWebApp();
wss = new WebAppSettingStore();
wss.Settings[key] = "fred";
webPO = new MSPPersistedObject((SPPersistedObject)webApp.Instance);
webPO.GetChildString <WebAppSettingStore>((s) => wss);
var wssPO = new MSPPersistedObject(wss);
wssPO.Update = () =>
{
};
// Act
var target = new SPWebAppPropertyBag(webApp);
var containsBeforeCondition = target.Contains(key);
target.Remove(key);
var result = target.Contains(key);
// Assert
Assert.IsFalse(result);
Assert.IsTrue(containsBeforeCondition);
}
public void AddAndContains()
{
//Arrange
SPWebAppPropertyBag.ClearCache();
MSPPersistedObject webPO;
WebAppSettingStore wss;
var webApp = new BSPConfiguredWebApp();
wss = new WebAppSettingStore();
webPO = new MSPPersistedObject((SPPersistedObject)webApp.Instance);
webPO.GetChildString <WebAppSettingStore>(
(s) =>
{
return(wss);
});
var wssPO = new MSPPersistedObject(wss);
wssPO.Update = () =>
{
};
string key = "key";
string value = "value";
var target = new SPWebAppPropertyBag(webApp);
IPropertyBagTest.AddContains(target, key, value);
}
public void Execute_ContainsKeyReturnsFalse_WithValidKeyNotSetAtWebAppLevel()
{
//arrange
var args = new ContainsKeyDataArgs();
string key = ConfigManager.PnPKeyNamespace + "." + TestsConstants.TestGuidName;
args.Key = key;
args.Level = (int)ConfigLevel.CurrentSPWebApplication;
args.SiteId = TestsConstants.TestGuid;
var proxyOp = new ContainsKeyOperation();
var webApp = new BSPWebApplication();
WebAppSettingStore wss = new WebAppSettingStore();
var webPO = new MSPPersistedObject((SPPersistedObject)webApp.Instance);
MSPSite.ConstructorGuid = (instance, guid) =>
{
var site = new MSPSite(instance)
{
WebApplicationGet = () =>
{
webPO.GetChildString <WebAppSettingStore>((s) => wss);
return(webApp);
},
Dispose = () => { }
};
};
//Act
var target = proxyOp.Execute(args);
//Assert
Assert.IsInstanceOfType(target, typeof(bool));
Assert.IsFalse((bool)target);
}
/// <summary>
/// Gets or sets a value based on the key. If the value is not defined in this PropertyBag, it will look in it's
/// parent property bag.
/// </summary>
/// <value></value>
/// <returns>The config value defined in the property bag. </returns>
public string this[string key]
{
[SharePointPermission(SecurityAction.InheritanceDemand, ObjectModel = true)]
[SharePointPermission(SecurityAction.LinkDemand, ObjectModel = true)]
get
{
WebAppSettingStore store = GetSettingStore();
if (store == null) //store doesn't exist, so setting doesn't exist...
{
return(null);
}
rrLock.EnterReadLock();
try
{
if (!store.Settings.ContainsKey(key))
{
return(null);
}
return(store.Settings[key]);
}
finally
{
rrLock.ExitReadLock();
}
}
[SharePointPermission(SecurityAction.InheritanceDemand, ObjectModel = true)]
[SharePointPermission(SecurityAction.LinkDemand, ObjectModel = true)]
set
{
rrLock.EnterWriteLock();
try
{
//intentionally nested, Reset is also getting a write lock, is safe and ensures no race.
//Force the reload of the persisted object, which minimizes chances of a failure due
// to a concurrency failure.
Reset();
WebAppSettingStore store = GetWriteSettingStore();
store.Settings[key] = value;
store.Update();
}
catch (SPUpdatedConcurrencyException)
{
Reset();
throw;
}
finally
{
rrLock.ExitWriteLock();
}
}
}
/// <summary>
/// Forces the property bag to reload settings on next access.
/// </summary>
public void Reset()
{
rrLock.EnterWriteLock();
try
{
_settingStore = null;
}
finally
{
rrLock.ExitWriteLock();
}
}
public bool Contains(string key)
{
WebAppSettingStore store = GetSettingStore();
if (store == null) //store doesn't exist, so setting doesn't exist...
{
return(false);
}
rrLock.EnterReadLock();
try
{
return(store.Settings.ContainsKey(key));
}
finally
{
rrLock.ExitReadLock();
}
}
public void Execute_ReturnsKeyData_WithValidKeyAtWebAppLevel()
{
//arrange
SPWebAppPropertyBag.ClearCache();
var args = new ReadConfigArgs();
string key = ConfigManager.PnPKeyNamespace + "." + TestsConstants.TestGuidName;
args.Key = key;
args.Level = (int)ConfigLevel.CurrentSPWebApplication;
args.SiteId = TestsConstants.TestGuid;
var proxyOp = new ReadConfigurationOperation();
string expectedData = "{92700BB6-B144-434F-A97B-5F696068A425}";
MSPPersistedObject webPO;
WebAppSettingStore wss;
MSPSite.ConstructorGuid = (instance, guid) =>
{
var site = new MSPSite(instance)
{
WebApplicationGet = () =>
{
var webApp = new BSPConfiguredWebApp();
wss = new WebAppSettingStore();
wss.Settings[key] = expectedData;
webPO = new MSPPersistedObject((SPPersistedObject)webApp.Instance);
webPO.GetChildString <WebAppSettingStore>((s) => wss);
return(webApp);
},
Dispose = () => { }
};
};
//Act
object target = proxyOp.Execute(args);
//Assert .
Assert.IsInstanceOfType(target, typeof(string));
Assert.AreEqual(expectedData, (string)target);
}
public void Execute_ReturnsNull_WithValidKeyNotSetAtWebAppLevel()
{
//arrange
SPWebAppPropertyBag.ClearCache();
var args = new ReadConfigArgs();
string key = ConfigManager.PnPKeyNamespace + "." + TestsConstants.TestGuidName;
args.Key = key;
args.Level = (int)ConfigLevel.CurrentSPWebApplication;
args.SiteId = TestsConstants.TestGuid;
var proxyOp = new ReadConfigurationOperation();
MSPPersistedObject webPO;
WebAppSettingStore wss;
MSPSite.ConstructorGuid = (instance, guid) =>
{
var site = new MSPSite(instance)
{
WebApplicationGet = () =>
{
var webApp = new BSPConfiguredWebApp();
wss = new WebAppSettingStore();
webPO = new MSPPersistedObject((SPPersistedObject)webApp.Instance);
webPO.GetChildString <WebAppSettingStore>((s) => wss);
return(webApp);
},
Dispose = () => { }
};
};
//Act
object target = proxyOp.Execute(args);
//Assert
Assert.IsNull(target);
}
public BSPConfiguredWebApp()
{
BSPWebApplication webApp = new BSPWebApplication();
wss = new WebAppSettingStore();
}
/// <summary>
/// For internal use, clears the cached setting store data
/// </summary>
public static void ClearCache()
{
_settingStore = null;
}
