InstanceEntityBase TableEntityToHistoryEvent(AzureTableCompositeTableEntity entity)
{
AzureTableOrchestrationHistoryEventEntity workItemEntity = null;
AzureTableOrchestrationStateEntity historyStateEntity = null;
if ((workItemEntity = entity as AzureTableOrchestrationHistoryEventEntity) != null)
{
return(new OrchestrationWorkItemInstanceEntity
{
InstanceId = workItemEntity.InstanceId,
ExecutionId = workItemEntity.ExecutionId,
SequenceNumber = workItemEntity.SequenceNumber,
EventTimestamp = workItemEntity.TaskTimeStamp,
HistoryEvent = workItemEntity.HistoryEvent
});
}
else if ((historyStateEntity = entity as AzureTableOrchestrationStateEntity) != null)
{
return(new OrchestrationStateInstanceEntity {
State = historyStateEntity.State
});
}
else
{
throw new InvalidOperationException($"Invalid entity event type: {entity.GetType()}");
}
}
internal override IEnumerable <ITableEntity> BuildDenormalizedEntities()
{
var entity1 = new AzureTableOrchestrationStateEntity(State);
entity1.PartitionKey = AzureTableConstants.InstanceStatePrefix;
entity1.RowKey = AzureTableConstants.InstanceStateExactRowPrefix +
AzureTableConstants.JoinDelimiter + State.OrchestrationInstance.InstanceId +
AzureTableConstants.JoinDelimiter + State.OrchestrationInstance.ExecutionId;
return(new [] { entity1 });
// TODO : additional indexes for efficient querying in the future
}
/// <summary>
/// Gets the orchestration state for a given instance and execution id
/// </summary>
/// <param name="instanceId">The instance id to return state for</param>
/// <param name="executionId">The execution id to return state for</param>
/// <returns>The matching orchestation state or null if not found</returns>
public async Task <OrchestrationStateInstanceEntity> GetOrchestrationStateAsync(string instanceId, string executionId)
{
AzureTableOrchestrationStateEntity result =
(await this.tableClient.QueryOrchestrationStatesAsync(
new OrchestrationStateQuery().AddInstanceFilter(instanceId, executionId)).ConfigureAwait(false)).FirstOrDefault();
if (result == null)
{
// Query from JumpStart table
result = (await this.tableClient.QueryJumpStartOrchestrationsAsync(
new OrchestrationStateQuery()
.AddInstanceFilter(instanceId, executionId))
.ConfigureAwait(false))
.FirstOrDefault();
}
return((result != null) ? TableStateToStateEvent(result.State) : null);
}
/// <summary>
/// Gets the orchestration state for a given instance and execution id
/// </summary>
/// <param name="instanceId">The instance id to return state for</param>
/// <param name="executionId">The execution id to return state for</param>
/// <returns>The matching orchestration state or null if not found</returns>
public async Task <OrchestrationStateInstanceEntity> GetOrchestrationStateAsync(string instanceId, string executionId)
{
AzureTableOrchestrationStateEntity result =
(await this.tableClient.QueryOrchestrationStatesAsync(
new OrchestrationStateQuery().AddInstanceFilter(instanceId, executionId)).ConfigureAwait(false)).FirstOrDefault();
// ReSharper disable once ConvertIfStatementToNullCoalescingExpression
if (result == null)
{
// Query from JumpStart table
result = (await this.tableClient.QueryJumpStartOrchestrationsAsync(
new OrchestrationStateQuery()
.AddInstanceFilter(instanceId, executionId))
.ConfigureAwait(false))
.FirstOrDefault();
}
return(result != null?TableStateToStateEvent(result.State) : null);
}
