public async Task ClearCacheTest1Async()
{
var propertyManager = new MockPropertyManagerWrapper
{
SubmitPropertyBatchAsyncFunc = Workflow3
};
Guid activityId = Guid.NewGuid();
IVersionedPropertyStore versionedPropertyStore = await VersionedPropertyStore.CreateAsync(
activityId, traceType, defaultStoreName, propertyManager, retryPolicyFactory).ConfigureAwait(false);
IVersionedKeyValue vkv = await versionedPropertyStore.GetValueAsync(activityId, "A").ConfigureAwait(false);
VerifyVersionedKeyValue(vkv, "Apple", 2, 1, workflow3Counter);
IVersionedKeyValue vkv2 = await versionedPropertyStore.GetValueAsync(activityId, "A").ConfigureAwait(false);
// verify that the counter hasn't been incremented since the actual property manager hasn't been invoked
// but the value has been obtained from the cache
VerifyVersionedKeyValue(vkv2, "Apple", 2, 1, workflow3Counter);
versionedPropertyStore.ClearCache();
IVersionedKeyValue vkv3 = await versionedPropertyStore.GetValueAsync(activityId, "A").ConfigureAwait(false);
// verify that the counter has been incremented since the actual property manager has been invoked
// since the value has been cleared from the cache
VerifyVersionedKeyValue(vkv3, "Apple", 2, 2, workflow3Counter);
Assert.AreEqual(workflow3Counter, 2);
}
public async Task UpdateValueAsyncTest1Async()
{
var propertyManager = new MockPropertyManagerWrapper
{
SubmitPropertyBatchAsyncFunc = Workflow2
};
Guid activityId = Guid.NewGuid();
IVersionedPropertyStore versionedPropertyStore = await VersionedPropertyStore.CreateAsync(
activityId, traceType, defaultStoreName, propertyManager, retryPolicyFactory).ConfigureAwait(false);
await versionedPropertyStore.UpdateValueAsync(activityId, "A", "Apple").ConfigureAwait(false);
IVersionedKeyValue vkv = await versionedPropertyStore.GetValueAsync(activityId, "A");
// Cache is updated correctly after UpdateValueAsync so hitting remote store is not needed
VerifyVersionedKeyValue(vkv, "Apple", 0, 1, workflow2Counter);
// now, get from the remote store. (workflow2 is modified to send appropriate return values)
vkv = await versionedPropertyStore.GetValueAsync(activityId, "A", false);
VerifyVersionedKeyValue(vkv, "Antelope", 25, 2, workflow2Counter);
vkv = await versionedPropertyStore.GetValueAsync(activityId, "A");
// verify cache is updated correctly
VerifyVersionedKeyValue(vkv, "Antelope", 25, 2, workflow2Counter);
}
/// <summary>
/// Creates <see cref="JobBlockingPolicyManager"/>.
/// Specify <see cref="oldVersionedPropertyStore"/> when IS is used in a multi-tenant cluster (E.g. RP cluster)
/// where each IS service communicates with one FC. In that case, we want individual job blocking policies for each IS service.
/// If this parameter is <c>null</c>, then the same job blocking policy is shared across all IS services in a multi-tenant cluster.
/// </summary>
public static async Task <IJobBlockingPolicyManager> CreateAsync(
TraceType traceType,
IVersionedPropertyStore versionedPropertyStore,
IVersionedPropertyStore oldVersionedPropertyStore = null)
{
traceType.Validate("traceType");
versionedPropertyStore.Validate("versionedPropertyStore");
traceType.WriteInfo("Starting creation of {0}", typeof(JobBlockingPolicyManager).Name);
var manager = new JobBlockingPolicyManager(versionedPropertyStore);
var activityId = Guid.NewGuid();
var versionedKeyValue = await ReadPropertyAsync(traceType, versionedPropertyStore, activityId).ConfigureAwait(false);
if (versionedKeyValue == null)
{
string defaultPolicyValue = JobBlockingPolicy.BlockNone.ToString();
if (oldVersionedPropertyStore != null)
{
var oldVersionedKeyValue = await ReadPropertyAsync(traceType, oldVersionedPropertyStore, activityId).ConfigureAwait(false);
if (oldVersionedKeyValue != null)
{
defaultPolicyValue = oldVersionedKeyValue.Value;
}
traceType.WriteInfo(
"{0} properties '{1}={2}' and '{3}' {4} newer versioned property store.",
oldVersionedKeyValue != null ? "Migrating" : "Creating",
PolicyPropertyName, defaultPolicyValue, PolicyVersionName,
oldVersionedKeyValue != null ? "to" : "in");
}
try
{
await versionedPropertyStore.UpdateValueAsync(
activityId,
PolicyPropertyName,
PolicyVersionName,
defaultPolicyValue).ConfigureAwait(false);
}
catch (FabricException ex)
{
if (ex.ErrorCode != FabricErrorCode.WriteConflict)
{
traceType.WriteError("Properties '{0}' and '{1}' could not be updated. Exception: {2}",
PolicyPropertyName, PolicyVersionName, ex);
throw;
}
}
}
traceType.WriteInfo("Successfully created {0}", typeof(JobBlockingPolicyManager).Name);
return(manager);
}
public async Task GetValueAsyncTest1Async()
{
var propertyManager = new MockPropertyManagerWrapper
{
SubmitPropertyBatchAsyncFunc = Workflow1
};
Guid activityId = Guid.NewGuid();
IVersionedPropertyStore versionedPropertyStore = await VersionedPropertyStore.CreateAsync(
activityId, traceType, defaultStoreName, propertyManager, retryPolicyFactory).ConfigureAwait(false);
IVersionedKeyValue vkv = await versionedPropertyStore.GetValueAsync(activityId, "A").ConfigureAwait(false);
VerifyVersionedKeyValue(vkv, "Apple", 2, 1, workflow1Counter);
vkv = await versionedPropertyStore.GetValueAsync(activityId, "A").ConfigureAwait(false);
// Verifying that remote store is not hit now and data is fetched from cache
VerifyVersionedKeyValue(vkv, "Apple", 2, 1, workflow1Counter);
}
private static async Task <IVersionedKeyValue> ReadPropertyAsync(
TraceType traceType,
IVersionedPropertyStore versionedPropertyStore,
Guid activityId)
{
try
{
var versionedKeyValue = await versionedPropertyStore
.GetValueAsync(activityId, PolicyPropertyName, PolicyVersionName, false)
.ConfigureAwait(false);
return(versionedKeyValue);
}
catch (FabricElementNotFoundException ex)
{
traceType.WriteInfo(
"Properties '{0}' and '{1}' not found. These need to be created. Exception: {2}",
PolicyPropertyName,
PolicyVersionName,
ex);
}
return(null);
}
private JobBlockingPolicyManager(IVersionedPropertyStore versionedPropertyStore)
{
this.versionedPropertyStore = versionedPropertyStore;
}
