private void zCleanup()
{
m_ElementSetVariableListCache.Clear();
while (m_CurrentScope != null)
{
zRemoveCurrentScope();
}
if (m_ExecutionStack != null)
{
m_ExecutionStack.Reset();
m_ExecutionStack.BranchEnded -= m_ExecutionStack_BranchEnded;
m_ExecutionStack = null;
}
}
/// <summary>
/// Main sequence analysis loop, or an "Analysis Pass". This method "passes" through the sequence step by step,
/// keeps track of the sequence structurally (scope list, scope dictionary),
/// and fires delegates for each step and for completion.
/// </summary>
/// <param name="sequence"></param>
/// <param name="onStepScope"></param>
/// <param name="onSequenceComplete"></param>
private void zAnalyzeSequence(List <Step> sequence, Func <Step, bool> onStepScope, Action onSequenceComplete)
{
//Make sure this SequenceAnalyzer is not being used by another thread. It is not thread safe! All concurrent usage must be done on separate instances.
if (m_ExecutionStack != null)
{
throw new InvalidOperationException("A zAnalyzeSequence call is already in progress. If you need to use this method concurrently, use a separate SequenceAnalyzer instance for each concurrent call.");
}
try
{
if (sequence.Count > 0)
{
m_ExecutionStack = new ExecutionStack();
m_ExecutionStack.BranchEnded += m_ExecutionStack_BranchEnded;
m_ExecutionStack.SetSequence(sequence);
zSetCurrentScope(new StepScope(DataScope.RootScopeName,
DataScope.RootScopeName,
null,
m_ExecutionStack.CurrentBranch));
do
{
if (onStepScope != null && !onStepScope(m_ExecutionStack.CurrentStep))
{
break;
}
if (m_ExecutionStack.CurrentStep is GetValueStep)
{
GetValueStep getValueStep = (GetValueStep)m_ExecutionStack.CurrentStep;
zAddVariableToScopeFromGetValueStep(getValueStep);
}
if (m_ExecutionStack.CurrentStep is DatabaseStep)
{
DatabaseStep databaseStep = (DatabaseStep)m_ExecutionStack.CurrentStep;
zAddVariablesToScopeFromDatabaseStep(databaseStep);
}
if (m_ExecutionStack.CurrentStep is GroupStep)
{
GroupStep groupStep = (GroupStep)m_ExecutionStack.CurrentStep;
if (groupStep.Steps.Count > 0)
{
m_ExecutionStack.SetNewBranch(groupStep.Steps);
}
if (groupStep.Iteration is ObjectSetIteration && groupStep.Iteration.IsSetIteration)
{
ObjectSetIteration objectSetIteration = (ObjectSetIteration)groupStep.Iteration;
if (objectSetIteration is ElementSetIteration)
{
ElementSetIteration elementSetIteration = (ElementSetIteration)objectSetIteration;
zAddVariableToScopeFromElementSetIteration(elementSetIteration);
}
if (groupStep.Steps.Count > 0)
{
string newScopeCacheKey = zGetCacheKey(m_CurrentScope.ScopeName, objectSetIteration.ObjectSetListName);
StepScope newScope = new StepScope(objectSetIteration.ObjectSetScopeName,
objectSetIteration.ObjectSetClassName,
newScopeCacheKey,
m_ExecutionStack.PendingBranch);
if (objectSetIteration is DataSetIteration)
{
List <StateVariableInfo> cacheList;
if (newScope.CacheKey != null && m_ElementSetVariableListCache.TryGetValue(newScope.CacheKey, out cacheList))
{
foreach (StateVariableInfo cachedVariable in cacheList)
{
if (newScope.ClassName == null || DataUtils.GetVariableNameScope(cachedVariable.StateVariableName) == newScope.ClassName)
{
StateVariableInfo variableForNewScope = zRescopeVariable(cachedVariable, objectSetIteration.ObjectSetScopeName);
if (!newScope.VariableList.Contains(variableForNewScope))
{
newScope.VariableList.Add(variableForNewScope);
}
}
}
}
}
zSetCurrentScope(newScope);
}
}
}
} while (m_ExecutionStack.MoveNext());
}
if (onSequenceComplete != null)
{
onSequenceComplete();
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
zCleanup();
}
}