public void UpdateCache(IUpdateContextCodeFeature update)
{
// ignore updates that aren't for this cache instance
if (update.ContextId != ContextMetadata <TContext> .Id)
{
return;
}
CodeFeatureId codeFeatureId = update.CodeFeatureId;
ICachedContextFeatureState existingContext;
if (_cache.TryGetContextFeatureState(update.ContextKey, out existingContext))
{
ICachedCodeFeatureState existingCode;
if (existingContext.TryGetCodeFeatureState(codeFeatureId, out existingCode))
{
if (existingCode.Enabled == update.Enabled)
{
return;
}
UpdateExistingCodeFeature(update, codeFeatureId, existingContext, existingCode);
}
else
{
AddCodeFeatureState(update, codeFeatureId, existingContext);
}
}
else
{
AddContextFeatureState(update, codeFeatureId);
}
}
public async Task <IEnumerable <Tuple <string, ICachedCodeFeatureState> > > Load()
{
var results = new List <Tuple <string, ICachedCodeFeatureState> >();
var configuration = ConfigurationManager.GetSection("fooidity") as FooidityConfiguration;
if (configuration != null)
{
if (configuration.Contexts != null)
{
for (int i = 0; i < configuration.Contexts.Count; i++)
{
ContextElement context = configuration.Contexts[i];
var contextId = new ContextId(context.Id);
Type contextType = contextId.GetType(false);
if (contextType == null)
{
throw new ConfigurationErrorsException("The context type is not valid: " + context.Id);
}
if (contextType != typeof(TContext))
{
continue;
}
if (context.Instances != null)
{
for (int instanceIndex = 0; instanceIndex < context.Instances.Count; instanceIndex++)
{
ContextInstanceElement instance = context.Instances[instanceIndex];
if (instance.Features != null)
{
for (int j = 0; j < instance.Features.Count; j++)
{
FeatureStateElement feature = instance.Features[j];
var featureId = new CodeFeatureId(feature.Id);
Type codeFeatureType = featureId.GetType(false);
if (codeFeatureType == null)
{
throw new ConfigurationErrorsException("The feature type is not valid: " + feature.Id);
}
ICachedCodeFeatureState codeState = new CachedCodeFeatureState(featureId, feature.Enabled);
results.Add(Tuple.Create(instance.Key, codeState));
}
}
}
}
}
}
}
return(results);
}
public async Task <IEnumerable <ICachedCodeFeatureState> > Load()
{
var codeFeatureStates = new List <ICachedCodeFeatureState>();
var configuration = ConfigurationManager.GetSection("fooidity") as FooidityConfiguration;
if (configuration != null)
{
if (configuration.Features != null)
{
for (int i = 0; i < configuration.Features.Count; i++)
{
FeatureStateElement feature = configuration.Features[i];
var featureId = new CodeFeatureId(feature.Id);
Type codeFeatureType = featureId.GetType(false);
if (codeFeatureType == null)
{
throw new ConfigurationErrorsException("The feature type is not valid: " + feature.Id);
}
var state = new FeatureState(featureId, feature.Enabled);
codeFeatureStates.Add(state);
}
}
}
return(codeFeatureStates);
}
public UpdateCodeFeature(CodeFeatureId codeFeatureId, bool enabled, DateTime timestamp, Guid commandId)
{
CodeFeatureId = codeFeatureId;
CommandId = commandId;
Enabled = enabled;
Timestamp = timestamp;
}
public async Task<IEnumerable<ICachedCodeFeatureState>> Load()
{
var codeFeatureStates = new List<ICachedCodeFeatureState>();
var configuration = ConfigurationManager.GetSection("fooidity") as FooidityConfiguration;
if (configuration != null)
{
if (configuration.Features != null)
{
for (int i = 0; i < configuration.Features.Count; i++)
{
FeatureStateElement feature = configuration.Features[i];
var featureId = new CodeFeatureId(feature.Id);
Type codeFeatureType = featureId.GetType(false);
if (codeFeatureType == null)
throw new ConfigurationErrorsException("The feature type is not valid: " + feature.Id);
var state = new FeatureState(featureId, feature.Enabled);
codeFeatureStates.Add(state);
}
}
}
return codeFeatureStates;
}
public UpdateCodeFeature(CodeFeatureId codeFeatureId, bool enabled, DateTime timestamp, Guid commandId)
{
CodeFeatureId = codeFeatureId;
CommandId = commandId;
Enabled = enabled;
Timestamp = timestamp;
}
public UpdateCommand(string codeFeatureId, bool enabled)
{
_codeFeatureId = new CodeFeatureId(codeFeatureId);
_enabled = enabled;
_commandId = Guid.NewGuid();
_timestamp = DateTime.UtcNow;
}
public void Should_be_parsed_into_a_type_without_the_namespace()
{
var id = new CodeFeatureId("urn:feature:TopLevelCodeFeature:Fooidity.Tests");
Type type = id.GetType();
type.ShouldBe(typeof(TopLevelCodeFeature));
}
public void Should_be_parsed_into_a_type()
{
var id = new CodeFeatureId("urn:feature:SampleCodeFeature:Fooidity.Tests.CodeFeatureName:Fooidity.Tests");
Type type = id.GetType();
type.ShouldBe(typeof(SampleCodeFeature));
}
public UpdateCommand(string codeFeatureId, bool enabled)
{
_codeFeatureId = new CodeFeatureId(codeFeatureId);
_enabled = enabled;
_commandId = Guid.NewGuid();
_timestamp = DateTime.UtcNow;
}
public async Task<ActionResult> Disable(string codeFeatureId, CancellationToken cancellationToken = default(CancellationToken))
{
var id = new CodeFeatureId(codeFeatureId);
await _updateHandler.Execute(new UpdateCommand(id, false), cancellationToken);
return Redirect("Index");
}
public UpdateCommand(CodeFeatureId codeFeatureId, bool enabled)
{
_commandId = Guid.NewGuid();
_timestamp = DateTime.UtcNow;
_codeFeatureId = codeFeatureId;
_enabled = enabled;
}
public UpdateCommand(CodeFeatureId codeFeatureId, bool enabled)
{
_commandId = Guid.NewGuid();
_timestamp = DateTime.UtcNow;
_codeFeatureId = codeFeatureId;
_enabled = enabled;
}
public void Should_be_parsed_into_a_type()
{
var id = new CodeFeatureId("urn:feature:SampleCodeFeature:Fooidity.Tests.CodeFeatureName:Fooidity.Tests");
Type type = id.GetType();
type.ShouldBe(typeof(SampleCodeFeature));
}
public async Task <ActionResult> Disable(string codeFeatureId, CancellationToken cancellationToken = default(CancellationToken))
{
var id = new CodeFeatureId(codeFeatureId);
await _updateHandler.Execute(new UpdateCommand(id, false), cancellationToken);
return(Redirect("Index"));
}
public void Should_be_parsed_into_a_type_without_the_namespace()
{
var id = new CodeFeatureId("urn:feature:TopLevelCodeFeature:Fooidity.Tests");
Type type = id.GetType();
type.ShouldBe(typeof(TopLevelCodeFeature));
}
public UpdateContextCodeFeature(Uri contextId, string contextKey, CodeFeatureId codeFeatureId, bool enabled, DateTime timestamp,
Guid commandId)
{
CodeFeatureId = codeFeatureId;
CommandId = commandId;
ContextId = contextId;
Enabled = enabled;
ContextKey = contextKey;
Timestamp = timestamp;
}
public UpdateContextCodeFeature(Uri contextId, string contextKey, CodeFeatureId codeFeatureId, bool enabled, DateTime timestamp,
Guid commandId)
{
CodeFeatureId = codeFeatureId;
CommandId = commandId;
ContextId = contextId;
Enabled = enabled;
ContextKey = contextKey;
Timestamp = timestamp;
}
public Update(CodeFeatureId codeFeatureId, DateTime timestamp, bool enabled, Uri organizationId = null, Uri environmentId = null,
Guid?commandId = null)
{
_codeFeatureId = codeFeatureId;
_commandId = commandId ?? Guid.NewGuid();
_enabled = enabled;
_organizationId = organizationId;
_environmentId = environmentId;
_timestamp = timestamp;
}
void AddCodeFeatureState(IUpdateContextCodeFeature update, CodeFeatureId codeFeatureId, ICachedContextFeatureState existingContext)
{
var featureState = new CachedCodeFeatureState(codeFeatureId, update.Enabled);
bool updated = existingContext.TryAdd(codeFeatureId, featureState);
if (updated)
{
NotifyUpdated(update, featureState);
}
}
void AddContextFeatureState(IUpdateContextCodeFeature update, CodeFeatureId codeFeatureId)
{
var featureState = new CachedCodeFeatureState(codeFeatureId, update.Enabled);
var contextFeatureState = new CachedContextFeatureState(Enumerable.Repeat(featureState, 1), update.ContextKey);
bool updated = _cache.TryAdd(update.ContextKey, contextFeatureState);
if (updated)
{
NotifyUpdated(update, featureState);
}
}
public bool Equals(CodeFeatureState other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(CodeFeatureId.Equals(other.CodeFeatureId));
}
public void Consume(ICodeFeatureStateUpdated message)
{
Uri id = message.CodeFeatureId;
try
{
var codeFeatureId = new CodeFeatureId(id);
var update = new UpdateCodeFeature(codeFeatureId, message.Enabled, message.Timestamp, message.CommandId ?? message.EventId);
_updateCache.UpdateCache(update);
}
catch (FormatException ex)
{
_log.Error(string.Format("The CodeFeatureId was not valid: {0}", id), ex);
}
}
public void UpdateCache(IUpdateCodeFeature update)
{
CodeFeatureId codeFeatureId = update.CodeFeatureId;
ICachedCodeFeatureState existingFeatureState;
if (_cache.TryGetState(codeFeatureId, out existingFeatureState))
{
if (existingFeatureState.Enabled == update.Enabled)
{
return;
}
var updatedFeatureState = new CachedCodeFeatureState(codeFeatureId, update.Enabled);
DateTime startTime = DateTime.UtcNow;
bool updated = _cache.TryUpdate(codeFeatureId, updatedFeatureState, existingFeatureState);
DateTime endTime = DateTime.UtcNow;
if (updated)
{
var updatedEvent = new CodeFeatureStateCacheUpdated(startTime, endTime - startTime, updatedFeatureState.Id,
updatedFeatureState.Enabled,
update.CommandId);
_cacheUpdated.ForEach(x => x.OnNext(updatedEvent));
}
}
else
{
var featureState = new CachedCodeFeatureState(codeFeatureId, update.Enabled);
DateTime startTime = DateTime.UtcNow;
bool updated = _cache.TryAdd(codeFeatureId, featureState);
DateTime endTime = DateTime.UtcNow;
if (updated)
{
var updatedEvent = new CodeFeatureStateCacheUpdated(startTime, endTime - startTime, featureState.Id,
featureState.Enabled, update.CommandId);
_cacheUpdated.ForEach(x => x.OnNext(updatedEvent));
}
}
}
public bool TryUpdate(CodeFeatureId id, ICachedCodeFeatureState featureState, ICachedCodeFeatureState previousFeatureState)
{
return _cache.TryUpdate(id, featureState, previousFeatureState);
}
public bool TryAdd(CodeFeatureId codeFeatureId, ICachedCodeFeatureState featureState)
{
return _cache.TryAdd(codeFeatureId, featureState);
}
public bool TryUpdate(CodeFeatureId codeFeatureId, ICachedCodeFeatureState updated, ICachedCodeFeatureState existing)
{
return _cache.TryUpdate(codeFeatureId, updated, existing);
}
public bool TryGetCodeFeatureState(CodeFeatureId codeFeatureId, out ICachedCodeFeatureState featureState)
{
return _cache.TryGet(codeFeatureId, out featureState);
}
public bool TryUpdate(CodeFeatureId id, ICachedCodeFeatureState featureState, ICachedCodeFeatureState previousFeatureState)
{
return(_cache.TryUpdate(id, featureState, previousFeatureState));
}
public FeatureState(CodeFeatureId id, bool enabled)
{
_enabled = enabled;
_id = id;
}
public CodeFeatureStateImpl(CodeFeatureId codeFeatureId, DateTime lastUpdated, bool enabled)
{
_enabled = enabled;
_codeFeatureId = codeFeatureId;
_lastUpdated = lastUpdated;
}
public bool TryAdd(CodeFeatureId codeFeatureId, ICachedCodeFeatureState featureState)
{
return(_cache.TryAdd(codeFeatureId, featureState));
}
public bool TryUpdate(CodeFeatureId codeFeatureId, ICachedCodeFeatureState updated, ICachedCodeFeatureState existing)
{
return(_cache.TryUpdate(codeFeatureId, updated, existing));
}
public override int GetHashCode()
{
return(CodeFeatureId.GetHashCode());
}
CodeFeatureMetadata()
{
_id = new CodeFeatureId(typeof(TFeature));
}
public FeatureState(CodeFeatureId id, bool enabled)
{
_enabled = enabled;
_id = id;
}
public bool TryGetCodeFeatureState(CodeFeatureId codeFeatureId, out ICachedCodeFeatureState featureState)
{
return(_cache.TryGet(codeFeatureId, out featureState));
}