/* Function extracts the RdfProperty data from an XmlNode. Function expects
* specific RdfProperty information available.
*
* Inputs: node - the XmlNode to extract RdfProperty data
*
* Return values: the RdfProperty instance containing the node data
*/
private RdfProperty GetNodeData(XmlNode propertyNode)
{
if (propertyNode == null)
{
throw new ArgumentNullException("propertyNode", "Cannot be null");
}
RdfProperty data = new RdfProperty();
// Set name
data.Name = propertyNode.Attributes[DamlConstants.RDF_ID].Value;
// Set Domain
data.Domain = propertyNode.SelectSingleNode(DamlConstants.RDFS_DOMAIN, m_mgr).Attributes[DamlConstants.RDF_RESOURCE].Value;
// Set Range
data.Range = propertyNode.SelectSingleNode(DamlConstants.RDFS_RANGE, m_mgr).Attributes[DamlConstants.RDF_RESOURCE].Value;
// Set SubPropertyOf
data.SubPropertyOf = propertyNode.SelectSingleNode(DamlConstants.RDFS_SUBPROPERTYOF, m_mgr).Attributes[DamlConstants.RDF_RESOURCE].Value;
// Fill in sameValueAs data (if any)
XmlNode sameValueAsNode = propertyNode.SelectSingleNode(DamlConstants.DAML_SAMEVALUESAS, m_mgr);
if (sameValueAsNode != null)
{
data.SameValueAs = sameValueAsNode.Attributes[DamlConstants.RDF_RESOURCE].Value;
}
return(data);
}
private void AddRdfProperties(ref XmlDocument doc, RdfProperty[] arrData, enuIOPEType restrictionType)
{
XmlNode root = doc.DocumentElement;
for (int i = 0; i < arrData.Length; i++)
{
RdfProperty prop = (RdfProperty)arrData[i];
XmlDocument propDoc = new XmlDocument();
propDoc.LoadXml(prop.ToXml());
XmlNode propDocRoot = propDoc.DocumentElement;
XmlNode propertyNode = doc.ImportNode(propDocRoot.FirstChild, true);
// Get restrictions on property (if any)
DamlRestriction[] arrRestrictions = this.GetRestrictions(restrictionType);
for (int j = 0; j < arrRestrictions.Length; j++)
{
if (arrRestrictions[j].Owner == prop.Name)
{
// Create subClassOf node
XmlNode subClassOfNode = doc.CreateNode(XmlNodeType.Element, DamlConstants.RDFS_SUBCLASSOF, DamlConstants.RDFS_NS_URI);
// Create a node for each restriction (child of subClassOfNode)
XmlNode restrictionNode = doc.CreateNode(XmlNodeType.Element, DamlConstants.DAML_RESTRICTION, DamlConstants.DAML_NS_URI);
// Fill in restrictionNode data
// Add cardinality attribute if value has been set
if (arrRestrictions[j].Cardinality != DamlRestriction.NO_CARDINALITY)
{
// Create attribute
XmlAttribute cardinalityAtt = doc.CreateAttribute(DamlConstants.DAML_CARDINALITY, DamlConstants.DAML_NS_URI);
// Set attribute value
cardinalityAtt.Value = arrRestrictions[j].Cardinality.ToString();
// Add attribute to node
restrictionNode.Attributes.Append(cardinalityAtt);
}
// Create onPropertyNode
XmlNode onPropertyNode = doc.CreateNode(XmlNodeType.Element, DamlConstants.DAML_ON_PROPERTY, DamlConstants.DAML_NS_URI);
// Create onProperty attribute
XmlAttribute onPropertyAtt = doc.CreateAttribute(DamlConstants.RDF_RESOURCE, DamlConstants.RDF_NS_URI);
// Set attribute value
onPropertyAtt.Value = arrRestrictions[j].OnProperty;
// Add attribute to node
onPropertyNode.Attributes.Append(onPropertyAtt);
// Add onPropertyNode to restrictionNode
restrictionNode.AppendChild(onPropertyNode);
// Add restrictionNode to subClassOfNode
subClassOfNode.AppendChild(restrictionNode);
//Add subClassOfNode to root
propertyNode.AppendChild(subClassOfNode);
}
}
// Add rdf:Property to root of document
root.AppendChild(propertyNode);
}
}
private DamlTypeDefinition[] FindTypeDefinitions(RdfProperty data)
{
ArrayList lstDefinitions = new ArrayList();
if (!data.Range.ToLower().StartsWith("http://"))
{
DamlTypeDefinition defnRdf = this.FindTypeDefintionInRdfProperty(data.Range.TrimStart(new char[] { '#' }));
if (defnRdf != null)
{
lstDefinitions.Add(defnRdf);
}
DamlTypeDefinition defnClass = this.FindTypeDefinitionInDamlClass(data.Range.TrimStart(new char[] { '#' }));
if (defnClass != null)
{
lstDefinitions.Add(defnClass);
}
}
if (!data.SameValueAs.ToLower().StartsWith("http://"))
{
DamlTypeDefinition defnRdf = this.FindTypeDefintionInRdfProperty(data.SameValueAs.TrimStart(new char[] { '#' }));
if (defnRdf != null)
{
lstDefinitions.Add(defnRdf);
}
DamlTypeDefinition defnClass = this.FindTypeDefinitionInDamlClass(data.SameValueAs.TrimStart(new char[] { '#' }));
if (defnClass != null)
{
lstDefinitions.Add(defnClass);
}
}
return((DamlTypeDefinition[])lstDefinitions.ToArray(typeof(DamlTypeDefinition)));
}
/* Function retrieves all the interesting data about a process given its name and
* type.
*
* Interesting data:
* Inputs, Outputs, Preconditions, Effects, Parameters, ConditionalOutputs,
* Co-Conditions, Sub Processes (if process is a composite process)
*
* Inputs: strProcessName - named process
* processType - process type (atomic, simple, composite)
*
* Return value: DamlProcess containing all the relevant data
*/
public DamlProcess GetProcessData(string strProcessName, enuProcessType processType)
{
DamlProcess retVal = new DamlProcess();
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;
if (processNode == null)
{
throw new Exception("Process node found");
}
// Set process name
retVal.Name = processNode.Attributes[DamlConstants.RDF_ID].Value;
// Set process type
retVal.ProcessType = processType;
// Get Process restrictions - these are actually input restrictions on
// the process
DamlRestriction[] arrProcessRestrict = this.GetRestrictions(strProcessName);
retVal.AddRestriction(enuIOPEType.Input, arrProcessRestrict);
// 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.ParentNode);
retVal.AddInput(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.Input;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddInput(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.Input;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddOutput(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.Output;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddPrecondition(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.Precondition;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddEffect(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.Effect;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddConditionalOutput(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.ConditionalOutput;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddCoCondition(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.CoCondition;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddCoOutput(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.CoOutput;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(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.ParentNode);
retVal.AddParameter(data);
// Get restrictions (if any)
enuIOPEType restrictionType = enuIOPEType.Parameter;
DamlRestriction[] arrRestrict = this.GetRestrictions(data.Name);
retVal.AddRestriction(restrictionType, arrRestrict);
retVal.AddDataTypeDefinition(this.FindTypeDefinitions(data));
}
// 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));
}
return(retVal);
}
/* Procedure Adds a parameter to a DamlProcess
*
* Inputs: data - RdfProperty details of the parameter
*/
public void AddParameter(RdfProperty data)
{
m_arrParameters.Add(data);
}
/* Procedure Adds a co-output to a DamlProcess
*
* Inputs: data - RdfProperty details of the co-output
*/
public void AddCoOutput(RdfProperty data)
{
m_arrCoOutputs.Add(data);
}
/* Procedure Adds a co-condition to a DamlProcess
*
* Inputs: data - RdfProperty details of the co-condition
*/
public void AddCoCondition(RdfProperty data)
{
m_arrCoConditions.Add(data);
}
/* Procedure Adds a conditional output to a DamlProcess
*
* Inputs: data - RdfProperty details of the conditional output
*/
public void AddConditionalOutput(RdfProperty data)
{
m_arrConditionalOutputs.Add(data);
}
/* Procedure Adds an effect to a DamlProcess
*
* Inputs: data - RdfProperty details of the effect
*/
public void AddEffect(RdfProperty data)
{
m_arrEffects.Add(data);
}
/* Procedure Adds a precondition to a DamlProcess
*
* Inputs: data - RdfProperty details of the precondition
*/
public void AddPrecondition(RdfProperty data)
{
m_arrPreconditions.Add(data);
}
/* Procedure Adds an input to a DamlProcess
*
* Inputs: data - RdfProperty details of the input
*/
public void AddInput(RdfProperty data)
{
m_arrInputs.Add(data);
}