/// <summary>
/// The on state machine state.
/// </summary>
/// <param name="smr">
/// The smr.
/// </param>
private void OnStateMachineState(StateMachineStateRecord smr)
{
lock (this.stateActions)
{
List<Action<StateMachineStateRecord>> actions;
if (this.stateActions.TryGetValue(smr.StateName, out actions))
{
foreach (var action in actions)
{
action(smr);
}
}
}
}
private StateMachineStateRecord(StateMachineStateRecord record) : base(record)
{
}
private StateMachineStateRecord(StateMachineStateRecord record)
: base(record)
{
}
/// <summary>
/// The get key.
/// </summary>
/// <param name="record">
/// The record.
/// </param>
/// <returns>
/// The System.String.
/// </returns>
private string GetKey(StateMachineStateRecord record)
{
return record.InstanceId + record.StateMachineName;
}
/// <summary>
/// Adds or Updates a state machine
/// </summary>
/// <param name="record">
/// The tracking record
/// </param>
/// <remarks>
/// In cases where the workflow is loaded, the StateMachineStateRecord may be the first tracking record
/// </remarks>
private void AddOrUpdateStateMachine(StateMachineStateRecord record)
{
var history = this.maxHistory;
this.currentStateMachine = this.stateMachines.AddOrUpdate(
GetKey(record),
s =>
{
var info = new StateMachineInfo(history)
{
Name = record.Activity.Name,
InstanceState = ActivityInstanceState.Executing,
InstanceId = record.InstanceId
};
info.UpdateState(record);
return info;
},
(s, info) =>
{
info.InstanceState = ActivityInstanceState.Executing;
info.UpdateState(record);
return info;
});
}
/// <summary>
/// The track.
/// </summary>
/// <param name="record">
/// The record.
/// </param>
/// <param name="timeout">
/// The timeout.
/// </param>
protected override void Track(StateMachineStateRecord record, TimeSpan timeout)
{
this.AddOrUpdateStateMachine(record);
}
/// <summary>
/// Update the state from a state machine record
/// </summary>
/// <param name="record">
/// The record
/// </param>
public void UpdateState(StateMachineStateRecord record)
{
this.CurrentState = record.StateName;
this.possibleTransitions =
record.GetTransitions().Select(
transition =>
string.IsNullOrWhiteSpace(transition.DisplayName)
? transition.GetType().Name
: transition.DisplayName).ToList();
}
/// <summary>
/// When implemented in a derived class, used to synchronously process the tracking record.
/// </summary>
/// <param name="record">
/// The generated tracking record.
/// </param>
/// <param name="timeout">
/// The time period after which the provider aborts the attempt.
/// </param>
protected virtual void Track(StateMachineStateRecord record, TimeSpan timeout)
{
// Do nothing
}
