//private const String queryFindAttributeInstanceByName = "select ai " +
// "from ai in class NetBpm.Workflow.Execution.Impl.AttributeInstanceImpl, " +
// " f in class NetBpm.Workflow.Execution.Impl.FlowImpl " +
// "where ai.Scope = f.id " + " and ai.Attribute.Name = ? " +
// " and f.id = ? ";
private AttributeInstanceImpl FindAttributeInstanceInScope(String attributeName)
{
AttributeInstanceImpl attributeInstance = null;
FlowImpl scope = this._flow;
while (attributeInstance == null)
{
IList attributes = attributeRepository.FindAttributeInstanceByName(attributeName, scope.Id, _dbSession);
IEnumerator iter = attributes.GetEnumerator();
if (iter.MoveNext())
{
attributeInstance = (AttributeInstanceImpl)iter.Current;
if (iter.MoveNext())
{
throw new NetBpm.Util.DB.DbException("duplicate value");
}
}
else
{
if (!scope.IsRootFlow())
{
scope = (FlowImpl)scope.Parent;
}
else
{
//throw new RuntimeException( "couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + this.flow + "'" );
// log a warning message (indicate that attribute supplied is not defined in attribute-instance in db)
log.Warn("couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + this._flow + "'");
break;
}
}
}
return(attributeInstance);
}
public virtual Object GetAttribute(String name)
{
AttributeInstanceImpl attributeInstance = FindAttributeInstanceInScope(name);
if (attributeInstance != null)
{
// attribute might not be available (a warning should have been logged previosly)
return(attributeInstance.GetValue());
}
return(null);
}
public void SetAttribute(String name, Object valueObject)
{
AttributeInstanceImpl attributeInstance = FindAttributeInstanceInScope(name);
if (attributeInstance != null)
{
// ignore if cannot find attribute instance (warning should have been logged prviously)
attributeInstance.SetValue(valueObject);
this.AddLogDetail(new AttributeUpdateImpl(attributeInstance));
}
}
public virtual void CreateAttributeInstances(ISet attributes)
{
this._attributeInstances = new ListSet();
IEnumerator iter = attributes.GetEnumerator();
while (iter.MoveNext())
{
AttributeImpl attribute = (AttributeImpl)iter.Current;
String attributeName = attribute.Name;
log.Debug("creating the attribute " + attribute + " for flow " + this);
AttributeInstanceImpl attributeInstance = new AttributeInstanceImpl(attribute, this);
attributeInstance.ValueText = attribute.InitialValue;
this._attributeInstances.Add(attributeInstance);
}
}
//private const String queryFieldsByState = "select f from f in class NetBpm.Workflow.Definition.Impl.FieldImpl " +
// "where f.State.Id = ? " +
// "order by f.Index";
public IActivityForm GetStartForm(String authenticatedActorId, Int64 processDefinitionId, DbSession dbSession, IOrganisationService organisationComponent)
{
IActivityForm activityForm = null;
// First check if the actor is allowed to get this form
authorizationHelper.CheckGetStartForm(authenticatedActorId, processDefinitionId, dbSession);
ProcessDefinitionImpl processDefinition = (ProcessDefinitionImpl)dbSession.Load(typeof(ProcessDefinitionImpl), processDefinitionId);
StartStateImpl startState = (StartStateImpl)processDefinition.StartState;
// create a convenient map from the attribute-names to the fields
IList fields = fieldRepository.FindFieldsByState(startState.Id, dbSession);
IDictionary attributeValues = new Hashtable();
IEnumerator iter = fields.GetEnumerator();
while (iter.MoveNext())
{
FieldImpl field = (FieldImpl)iter.Current;
// if the attribute has an initial value
AttributeImpl attribute = (AttributeImpl)field.Attribute;
String attributeName = attribute.Name;
String initialValue = attribute.InitialValue;
if ((Object)initialValue != null && (FieldAccessHelper.IsReadable(field.Access) || FieldAccessHelper.IsWritable(field.Access)))
{
// start form contains only fields that are readable or writable
// get it and store it in the attributeValues
AttributeInstanceImpl attributeInstance = new AttributeInstanceImpl();
attributeInstance.Attribute = attribute;
attributeInstance.ValueText = initialValue;
attributeValues[attributeName] = attributeInstance.GetValue();
}
}
activityForm = new ActivityFormImpl(processDefinition, fields, attributeValues);
return(activityForm);
}
//private const String queryFieldsByState = "select f from f in class NetBpm.Workflow.Definition.Impl.FieldImpl " +
// "where f.State.Id = ? " +
// "order by f.Index";
public IActivityForm GetStartForm(String authenticatedActorId, Int64 processDefinitionId, DbSession dbSession, IOrganisationService organisationComponent)
{
IActivityForm activityForm = null;
// First check if the actor is allowed to get this form
authorizationHelper.CheckGetStartForm(authenticatedActorId, processDefinitionId, dbSession);
ProcessDefinitionImpl processDefinition = (ProcessDefinitionImpl) dbSession.Load(typeof (ProcessDefinitionImpl), processDefinitionId);
StartStateImpl startState = (StartStateImpl) processDefinition.StartState;
// create a convenient map from the attribute-names to the fields
IList fields = fieldRepository.FindFieldsByState(startState.Id, dbSession);
IDictionary attributeValues = new Hashtable();
IEnumerator iter = fields.GetEnumerator();
while (iter.MoveNext())
{
FieldImpl field = (FieldImpl) iter.Current;
// if the attribute has an initial value
AttributeImpl attribute = (AttributeImpl) field.Attribute;
String attributeName = attribute.Name;
String initialValue = attribute.InitialValue;
if ((Object) initialValue != null && (FieldAccessHelper.IsReadable(field.Access) || FieldAccessHelper.IsWritable(field.Access)))
{
// start form contains only fields that are readable or writable
// get it and store it in the attributeValues
AttributeInstanceImpl attributeInstance = new AttributeInstanceImpl();
attributeInstance.Attribute = attribute;
attributeInstance.ValueText = initialValue;
attributeValues[attributeName] = attributeInstance.GetValue();
}
}
activityForm = new ActivityFormImpl(processDefinition, fields, attributeValues);
return activityForm;
}
public virtual void CreateAttributeInstances(ISet attributes)
{
this._attributeInstances = new ListSet();
IEnumerator iter = attributes.GetEnumerator();
while (iter.MoveNext())
{
AttributeImpl attribute = (AttributeImpl) iter.Current;
String attributeName = attribute.Name;
log.Debug("creating the attribute " + attribute + " for flow " + this);
AttributeInstanceImpl attributeInstance = new AttributeInstanceImpl(attribute, this);
attributeInstance.ValueText = attribute.InitialValue;
this._attributeInstances.Add(attributeInstance);
}
}
public AttributeUpdateImpl(AttributeInstanceImpl attributeInstance)
{
this._attribute = attributeInstance.Attribute;
this._valueText = attributeInstance.ValueText;
}