public void AddSubProcess(DAMLProcess data)
{
if (ProcessType == enuProcessType.CompositeProcess)
{
m_arrSubProcesses.Add(data);
}
else
{
throw new InvalidOperationException("Only Composite Processes can have SubProcesses");
}
}
private DAMLProcess[] GetSubProcesses(string strProcessName)
{
ArrayList lstSubProcesses = new ArrayList();
try
{
XmlNode root = m_doc.DocumentElement;
string strBaseUri = GetNamespaceBaseUri(DAMLConstants.PROCESS_NS);
string strXPath = DAMLConstants.DAML_CLASS + "[@" + DAMLConstants.RDF_ID + "='" + strProcessName + "']" + "/" + DAMLConstants.RDFS_SUBCLASSOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.DAML_COMPOSITE_PROCESS + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_SUBCLASSOF;
XmlNode SubClassOfNode = root.SelectSingleNode(strXPath, m_mgr);
if (SubClassOfNode == null)
{
return((DAMLProcess[])lstSubProcesses.ToArray(typeof(DAMLProcess)));
}
// Use fuzzy paths from here -> "//" operator looking for any matching
// child node - more expensive but intermediate nodes are not
// interesting/contain no info we can use
strXPath = ".//" + DAMLConstants.DAML_LIST_OF_INSTANCES_OF + "/" + DAMLConstants.DAML_CLASS;
XmlNodeList lstInstances = SubClassOfNode.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstInstances)
{
string strProcess = node.Attributes[DAMLConstants.RDF_ABOUT].Value;
strProcess = strProcess.Trim(new Char[] { '#' });
enuProcessType processType = GetProcessType(strProcess);
DAMLProcess process = GetProcessData(strProcess, processType);
lstSubProcesses.Add(process);
}
}
catch (Exception e)
{
m_EvtLog.WriteEntry(e.Message, EventLogEntryType.Error);
}
return((DAMLProcess[])lstSubProcesses.ToArray(typeof(DAMLProcess)));
}
public DAMLProcess GetProcessData(string strProcessName, enuProcessType processType)
{
DAMLProcess retVal = new DAMLProcess();
try
{
XmlNode root = m_doc.DocumentElement;
string strBaseUri = GetNamespaceBaseUri(DAMLConstants.PROCESS_NS);
string strUri = "";
strUri = strBaseUri;
switch (processType)
{
case enuProcessType.AtomicProcess: strUri += DAMLConstants.DAML_ATOMIC_PROCESS;
break;
case enuProcessType.CompositeProcess: strUri += DAMLConstants.DAML_COMPOSITE_PROCESS;
break;
case enuProcessType.SimpleProcess: strUri += DAMLConstants.DAML_SIMPLE_PROCESS;
break;
default: throw new ArgumentException("Invalid processType value");
}
;
string strXPath = DAMLConstants.DAML_CLASS + "[@" + DAMLConstants.RDF_ID + "='" + strProcessName + "']" + "/" + DAMLConstants.RDFS_SUBCLASSOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strUri + "']";
XmlNode processNode = root.SelectSingleNode(strXPath, m_mgr).ParentNode;
// No such process exists so just exit - should throw exception since
// returned DAMLProcess is useless
if (processNode == null)
{
return(retVal);
}
// Set process name
retVal.Name = processNode.Attributes[DAMLConstants.RDF_ID].Value;
// Set process type
retVal.ProcessType = processType;
// Get inputs from querying RDFProperty nodes in document
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.INPUT + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
XmlNodeList lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddInput(data);
}
// Get additional inputs from the process node itself
// they may be hidden under restictions tagged with
// daml:sameValueAs
strXPath = DAMLConstants.DAML_CLASS + "[@" + DAMLConstants.RDF_ID + "='" + retVal.Name + "']" + "/" + DAMLConstants.RDFS_SUBCLASSOF + "/" + DAMLConstants.DAML_RESTRICTION + "/" + DAMLConstants.DAML_ON_PROPERTY + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.INPUT + "']" + "/" + "following-sibling::" + DAMLConstants.DAML_SAMEVALUESAS;
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
string strSameValueAs = node.Attributes[DAMLConstants.RDF_RESOURCE].Value;
strSameValueAs = strSameValueAs.Trim(new char[] { '#' });
// Go get RDFProperty data
strXPath = DAMLConstants.RDF_PROPERTY + "[@" + DAMLConstants.RDF_ID + "='" + strSameValueAs + "']" + "/" + DAMLConstants.RDFS_DOMAIN;
XmlNode domainNode = root.SelectSingleNode(strXPath, m_mgr);
// Add to list of inputs
if (domainNode != null)
{
RDFProperty data = GetNodeData(domainNode);
retVal.AddInput(data);
}
}
// Get outputs
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.OUTPUT + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddOutput(data);
}
// Get preconditions
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.PRECONDITION + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddPrecondition(data);
}
// Get effects
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.EFFECT + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddEffect(data);
}
// Get conditional outputs
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.CONDITIONAL_OUTPUT + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddConditionalOutput(data);
}
// Get co-conditions
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.CO_CONDITION + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddCoCondition(data);
}
// Get co-outputs
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.CO_OUTPUT + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddCoOutput(data);
}
// Get parameters
strXPath = DAMLConstants.RDF_PROPERTY + "/" + DAMLConstants.RDFS_SUBPROPERTYOF + "[@" + DAMLConstants.RDF_RESOURCE + "='" + strBaseUri + DAMLConstants.PARAMETER + "']" + "/" + "following-sibling::" + DAMLConstants.RDFS_DOMAIN + "[@" + DAMLConstants.RDF_RESOURCE + "='#" + strProcessName + "']";
lstNodes = root.SelectNodes(strXPath, m_mgr);
foreach (XmlNode node in lstNodes)
{
RDFProperty data = GetNodeData(node);
retVal.AddParameter(data);
}
// For each input, fill the process' InputRestrictionMap
// search on process name
if (retVal.HasInputs)
{
foreach (RDFProperty Input in retVal.Inputs)
{
int nRestriction = GetInputRestrictions(retVal.Name, Input.Name);
if (nRestriction == 0)
{
nRestriction = DEFAULT_RESTRICTION;
}
retVal.AddInputRestriction(Input.Name, nRestriction);
}
}
// If we are dealing with a complex process we must go get
// the substeps - need to get process:<type> data
if (processType == enuProcessType.CompositeProcess)
{
retVal.SubTaskType = GetProcessSubTaskType(retVal.Name);
retVal.AddSubProcess(GetSubProcesses(retVal.Name));
}
}
catch (Exception e)
{
m_EvtLog.WriteEntry(e.Message, EventLogEntryType.Error);
}
return(retVal);
}
