public override void ReadProcessData(XmlElement xmlElement, CreationContext creationContext)
{
base.ReadProcessData(xmlElement, creationContext);
// get the process definition for that name
String subProcessDefinitionName = xmlElement.GetProperty("process");
creationContext.Check(((Object) subProcessDefinitionName != null), "process is missing in the process state : " + subProcessDefinitionName);
DbSession dbSession = creationContext.DbSession;
dbSession.SaveOrUpdate(this._processDefinition);
try
{
this._subProcess = (ProcessDefinitionImpl) dbSession.FindOne(queryFindProcessDefinitionByName, subProcessDefinitionName, DbType.STRING);
}
catch (SystemException e)
{
creationContext.AddError("process '" + subProcessDefinitionName + "' was not deployed while it is referenced in a process-state. Exception: " + e.Message);
}
// parse the processInvokerDelegation
creationContext.DelegatingObject = this;
this._processInvokerDelegation = new DelegationImpl();
XmlElement invocationElement = xmlElement.GetChildElement("process-invocation");
creationContext.Check((invocationElement != null), "process-invocation is missing in the process-state : " + xmlElement);
this._processInvokerDelegation.ReadProcessData(invocationElement, creationContext);
creationContext.DelegatingObject = null;
// parse the actorExpression
this._actorExpression = xmlElement.GetProperty("actor-expression");
creationContext.Check(((Object) _actorExpression != null), "actor-expression is missing in the process-state : " + xmlElement);
}
public virtual void ReadWebData(XmlElement xmlElement, CreationContext creationContext)
{
XmlElement coordinatesXmlElement = xmlElement.GetChildElement("image-coordinates");
if (coordinatesXmlElement != null)
{
try
{
_x1 = Int32.Parse(coordinatesXmlElement.GetProperty("x1"));
_y1 = Int32.Parse(coordinatesXmlElement.GetProperty("y1"));
_x2 = Int32.Parse(coordinatesXmlElement.GetProperty("x2"));
_y2 = Int32.Parse(coordinatesXmlElement.GetProperty("y2"));
creationContext.Check((((Object) _x1 != null) && ((Object) _y1 != null) && ((Object) _x2 != null) && ((Object) _y2 != null)), "at least one of the image-coordinates (x1,y1,x2,y2) is missing : " + xmlElement);
}
catch (FormatException e)
{
creationContext.AddError("at least one of the image-coordinates is not parsable : " + xmlElement + " exception:" + e.Message);
}
}
DbSession dbSession = creationContext.DbSession;
creationContext.State = this;
creationContext.Index = 0;
IEnumerator iter = xmlElement.GetChildElements("field").GetEnumerator();
while (iter.MoveNext())
{
XmlElement fieldElement = (XmlElement) iter.Current;
String attributeName = fieldElement.GetProperty("attribute");
FieldImpl field = null;
Object[] values = new Object[] {_id, attributeName};
IType[] types = new IType[] {DbType.LONG, DbType.STRING};
IList fields = dbSession.Find(queryFindFieldByActivityStateAndAttributeName, values, types);
if (fields.Count == 1)
{
field = (FieldImpl) fields[0];
}
else
{
values = new Object[] {_processBlock.Id, attributeName};
types = new IType[] {DbType.LONG, DbType.STRING};
AttributeImpl attribute = (AttributeImpl) dbSession.FindOne(queryFindAttibuteByName, values, types);
field = new FieldImpl();
field.Access = FieldAccess.READ_WRITE;
field.State = this;
field.Attribute = attribute;
this._fields.Add(field);
}
field.ReadWebData(fieldElement, creationContext);
creationContext.IncrementIndex();
}
}
private XmlElement GetXmlElementForEntry(String entryName, IDictionary entries, CreationContext creationContext)
{
XmlElement xmlElement = null;
byte[] processDefinitionXml = (byte[]) entries[entryName];
if (processDefinitionXml == null)
{
creationContext.AddError("entry '" + entryName + "' found not found in the process archive");
throw new SystemException("entry '" + entryName + "' found not found in the process archive");
}
Stream processDefinitionInputStream = new MemoryStream(processDefinitionXml);
XmlParser xmlParser = new XmlParser(processDefinitionInputStream);
xmlElement = xmlParser.Parse();
return xmlElement;
}
public void DeployProcessArchive(Stream processArchiveStream, DbSession dbSession)
{
log.Debug("reading process archive...");
try
{
IDictionary entries = null;
// construct an empty process definition
ProcessDefinitionImpl processDefinition = new ProcessDefinitionImpl();
try
{
entries = ReadEntries(processArchiveStream);
}
catch (IOException e)
{
throw new NpdlException("couldn't deploy process archive, the processArchiveBytes do not seem to be a valid jar-file : " + e.Message, e);
}
// Then save the process definition
// This is done so hibernate will assign an id to this object.
dbSession.Save(processDefinition);
CreationContext creationContext = new CreationContext(processDefinition, entries, dbSession);
try
{
// parse the processdefinition.xml
XmlElement xmlElement = GetXmlElementForEntry("processdefinition.xml", entries, creationContext);
// build the object model from the xml
creationContext.PushScope("in processdefinition.xml");
processDefinition.ReadProcessData(xmlElement, creationContext);
creationContext.PopScope();
// resolve all forward references
creationContext.ResolveReferences();
processDefinition.Validate(creationContext);
if (creationContext.HasErrors())
{
throw new NpdlException(creationContext.Errors);
}
// read the optional web-interface information
if (entries.Contains("web/webinterface.xml"))
{
log.Debug("processing webinterface.xml...");
xmlElement = GetXmlElementForEntry("web/webinterface.xml", entries, creationContext);
creationContext.PushScope("in webinterface.xml");
processDefinition.ReadWebData(xmlElement, creationContext);
creationContext.PopScope();
}
else
{
log.Debug("no web/webinterface.xml was supplied");
}
}
catch (SystemException e)
{
log.Error("xml parsing error :", e);
creationContext.AddError(e.GetType().FullName + " : " + e.Message);
creationContext.AddError("couldn't continue to parse the process archive");
throw new NpdlException(creationContext.Errors);
}
// flush the changes to the database
dbSession.SaveOrUpdate(processDefinition);
dbSession.Flush();
}
catch (DbException e)
{
throw new NpdlException("couldn't deploy process archive due to a database exception : " + e.Message, e);
}
}
public void ReadWebData(XmlElement xmlElement, CreationContext creationContext)
{
// first read the image
XmlElement imageElement = xmlElement.GetChildElement("image");
creationContext.Check((imageElement != null), "element image is missing");
// reading the image-file
String imageFileName = imageElement.GetProperty("name");
creationContext.Check(((Object) imageFileName != null), "image name is missing");
this._image = (byte[]) creationContext.Entries[imageFileName];
if (this._image == null)
{
creationContext.AddError("couldn't find image file '" + imageFileName + "' in the process archive. (make sure the specified path is relative to the archive-root)");
}
this._imageMimeType = imageElement.GetProperty("mime-type");
creationContext.Check(((Object) _imageMimeType != null), "image mime-type is missing");
try
{
_imageHeight = Int32.Parse(imageElement.GetProperty("height"));
creationContext.Check(((Object) _imageHeight != null), "image height is missing");
_imageWidth = Int32.Parse(imageElement.GetProperty("width"));
creationContext.Check(((Object) _imageWidth != null), "image width is missing");
}
catch (FormatException e)
{
creationContext.AddError("image height or width contains unparsable numbers : height=\"" + imageElement.GetProperty("height") + "\" width=\"" + imageElement.GetProperty("width") + "\". Exception: " + e.Message);
}
DbSession dbSession = creationContext.DbSession;
// then the activity-states
IEnumerator iter = xmlElement.GetChildElements("activity-state").GetEnumerator();
while (iter.MoveNext())
{
XmlElement activityStateElement = (XmlElement) iter.Current;
String activityStateName = activityStateElement.GetProperty("name");
creationContext.Check(((Object) activityStateName != null), "property name in activity state is missing");
Object[] values = new Object[] {activityStateName, _id};
IType[] types = new IType[] {DbType.STRING, DbType.LONG};
StateImpl state = null;
try
{
state = (StateImpl) dbSession.FindOne(queryFindState, values, types);
}
catch (DbException e)
{
creationContext.AddError("activity-state '" + activityStateName + "' was referenced from the webinterface.xml but not defined in the processdefinition.xml. Exception:" + e.Message);
}
state.ReadWebData(activityStateElement, creationContext);
}
}
