public bool Update(
ClearQuestMigrationContext migrationContext,
Session session,
OAdEntity hostRecord,
LinkChangeAction linkChangeAction)
{
if (null == linkChangeAction)
{
throw new ArgumentNullException("linkChangeAction");
}
if (!linkChangeAction.Link.LinkType.ReferenceName.StartsWith(ReferenceNameQualifier))
{
throw new ArgumentException("Link type mismatch.");
}
string childRecEntityDefName;
if (!ClearQuestRecordArtifactHandler.TryExtractRecordDefName(linkChangeAction.Link.TargetArtifact,
out childRecEntityDefName))
{
return(false);
}
string childRecDispName;
if (!ClearQuestRecordArtifactHandler.TryExtractRecordDispName(linkChangeAction.Link.TargetArtifact,
out childRecDispName))
{
return(false);
}
string refFieldName = linkChangeAction.Link.LinkType.ReferenceName.Substring(ReferenceNameQualifier.Length);
if (string.IsNullOrEmpty(refFieldName))
{
return(false);
}
string hostRecEntityDefName = CQWrapper.GetEntityDefName(hostRecord);
if (string.IsNullOrEmpty(hostRecEntityDefName) ||
!CQStringComparer.EntityName.Equals(hostRecEntityDefName, this.m_hostRecordType))
{
return(false);
}
// retrieve reference field information
OAdFieldInfo refFieldInfo = CQWrapper.GetEntityFieldValue(hostRecord, refFieldName);
int cqFieldType = CQWrapper.GetFieldType(refFieldInfo);
if (cqFieldType != CQConstants.FIELD_REFERENCE_LIST)
{
// the field is not of the FIELD_REFERENCE_LIST type
// [teyang] TODO conflict?
return(false);
}
// get the current entity def
OAdEntityDef hostRecordEntityDef = CQWrapper.GetEntityDef(session, CQWrapper.GetEntityDefName(hostRecord));
OAdEntityDef childRecordEntityDef = CQWrapper.GetFieldReferenceEntityDef(hostRecordEntityDef, refFieldName);
string childRecordEntityDefName = CQWrapper.GetEntityDefName(childRecordEntityDef);
if (!CQStringComparer.EntityName.Equals(childRecordEntityDefName, childRecEntityDefName))
{
// the field is not designated to hold reference to the EntityType of the target artifact
// [teyang] TODO conflict?
return(false);
}
int valueStatus = CQWrapper.GetFieldValueStatus(refFieldInfo);
if (valueStatus == (int)CQConstants.FieldStatus.HAS_VALUE)
{
// the field already has a list of reference values set
bool targetArtifactIsSet = false;
// value list expected
object[] refFldValues = CQWrapper.GetFieldValueAsList(refFieldInfo);
foreach (object refFldObj in refFldValues)
{
string refFldVal = (string)refFldObj;
if (CQStringComparer.RecordName.Equals(refFldVal, childRecDispName))
{
targetArtifactIsSet = true;
break;
}
}
if (targetArtifactIsSet)
{
// the target artifact is already referenced in the field
// [teyang] TODO conflict?
return(false);
}
}
string[] modifyActionNames = CQUtilityMethods.FindAllChangeActionNamesByType(
session, hostRecord, CQConstants.ACTION_MODIFY);
if (modifyActionNames.Length == 0)
{
// [teyang] TODO conflict?
return(false);
}
else if (modifyActionNames.Length > 1)
{
// [teyang] TODO conflict?
return(false);
}
else
{
string modAction = modifyActionNames[0];
CQWrapper.EditEntity(session, hostRecord, modAction);
string retVal = CQWrapper.AddFieldValue(hostRecord, refFieldName, childRecDispName);
retVal = CQWrapper.Validate(hostRecord);
if (string.IsNullOrEmpty(retVal))
{
// [teyang] TODO conflict
return(false);
}
retVal = CQWrapper.Commmit(hostRecord);
if (string.IsNullOrEmpty(retVal))
{
// [teyang] TODO conflict
return(false);
}
return(true);
}
}