/// <summary>
/// Gets a list of orchestration states for a given instance
/// </summary>
/// <param name="instanceId">The instance id to return state for</param>
/// <param name="allInstances">Flag indiciation whether to get all history execution ids or just the most recent</param>
/// <returns>List of matching orchestration states</returns>
public async Task <IEnumerable <OrchestrationStateInstanceEntity> > GetOrchestrationStateAsync(string instanceId, bool allInstances)
{
IEnumerable <AzureTableOrchestrationStateEntity> stateEntities =
await tableClient.QueryOrchestrationStatesAsync(new OrchestrationStateQuery()
.AddInstanceFilter(instanceId)).ConfigureAwait(false);
// Fetch unscheduled orchestrations from JumpStart table
IEnumerable <AzureTableOrchestrationStateEntity> jumpStartEntities = await this.tableClient.QueryJumpStartOrchestrationsAsync(new OrchestrationStateQuery()
.AddInstanceFilter(instanceId)).ConfigureAwait(false);
IEnumerable <OrchestrationState> states = stateEntities.Select(stateEntity => stateEntity.State);
IEnumerable <OrchestrationState> jumpStartStates = jumpStartEntities.Select(j => j.State)
.Where(js => !states.Any(s => s.OrchestrationInstance.InstanceId == js.OrchestrationInstance.InstanceId));
var newStates = states.Concat(jumpStartStates);
if (allInstances)
{
return(newStates.Select(TableStateToStateEvent));;
}
foreach (OrchestrationState state in newStates)
{
// TODO: This will just return the first non-ContinuedAsNew orchestration and not the latest one.
if (state.OrchestrationStatus != OrchestrationStatus.ContinuedAsNew)
{
return(new List <OrchestrationStateInstanceEntity>()
{
TableStateToStateEvent(state)
});
}
}
return(null);
}
/// <summary>
/// Get a list of orchestration states from the instance storage table which match the specified
/// orchestration state query.
/// </summary>
/// <param name="stateQuery">Orchestration state query to execute</param>
/// <returns></returns>
public async Task <IEnumerable <OrchestrationState> > QueryOrchestrationStatesAsync(
OrchestrationStateQuery stateQuery)
{
IEnumerable <AzureTableOrchestrationStateEntity> result =
await tableClient.QueryOrchestrationStatesAsync(stateQuery).ConfigureAwait(false);
// Query from JumpStart table
IEnumerable <AzureTableOrchestrationStateEntity> jumpStartEntities = await this.tableClient.QueryJumpStartOrchestrationsAsync(stateQuery).ConfigureAwait(false);
IEnumerable <AzureTableOrchestrationStateEntity> newStates = result.Concat(jumpStartEntities
.Where(js => !result.Any(s => s.State.OrchestrationInstance.InstanceId == js.State.OrchestrationInstance.InstanceId)));
return(newStates.Select(stateEntity => stateEntity.State));
}
/// <summary>
/// Gets a list of orchestration states for a given instance
/// </summary>
/// <param name="instanceId">The instance id to return state for</param>
/// <param name="allInstances">Flag indiciation whether to get all history execution ids or just the most recent</param>
/// <returns>List of matching orchestration states</returns>
public async Task <IEnumerable <OrchestrationStateInstanceEntity> > GetOrchestrationStateAsync(string instanceId, bool allInstances)
{
// Fetch unscheduled orchestrations from JumpStart table
// We need to get this first to avoid a race condition.
IEnumerable <AzureTableOrchestrationStateEntity> jumpStartEntities = await Utils.ExecuteWithRetries(() => this.tableClient.QueryJumpStartOrchestrationsAsync(new OrchestrationStateQuery().AddInstanceFilter(instanceId)),
string.Empty,
"GetOrchestrationStateAsync-jumpStartEntities",
MaxRetriesTableStore,
IntervalBetweenRetriesSecs).ConfigureAwait(false);
IEnumerable <AzureTableOrchestrationStateEntity> stateEntities = await Utils.ExecuteWithRetries(() => tableClient.QueryOrchestrationStatesAsync(new OrchestrationStateQuery().AddInstanceFilter(instanceId)),
string.Empty,
"GetOrchestrationStateAsync-stateEntities",
MaxRetriesTableStore,
IntervalBetweenRetriesSecs).ConfigureAwait(false);
IEnumerable <OrchestrationState> states = stateEntities.Select(stateEntity => stateEntity.State);
IEnumerable <OrchestrationState> jumpStartStates = jumpStartEntities.Select(j => j.State)
.Where(js => !states.Any(s => s.OrchestrationInstance.InstanceId == js.OrchestrationInstance.InstanceId));
var newStates = states.Concat(jumpStartStates);
if (allInstances)
{
return(newStates.Select(TableStateToStateEvent));;
}
foreach (OrchestrationState state in newStates)
{
// TODO: This will just return the first non-ContinuedAsNew orchestration and not the latest one.
if (state.OrchestrationStatus != OrchestrationStatus.ContinuedAsNew)
{
return(new List <OrchestrationStateInstanceEntity>()
{
TableStateToStateEvent(state)
});
}
}
return(null);
}
