private TableRow CheckAndGetEntity(ChangeDescription changeDescription, bool shouldExist)
{
UtilityRow utilityRow = this.ExecuteQuery <UtilityRow>(changeDescription);
this.CheckPermissions(utilityRow, changeDescription);
PointQueryTracker pointQuery = ((DbTableRowQueryProvider <UtilityRow>)changeDescription.QueryableRow.Provider).PointQuery;
if (pointQuery != null)
{
this.CheckPartitionAndRowKeys(pointQuery.PartitionKey, pointQuery.RowKey, changeDescription.UpdateType);
}
if (utilityRow == null)
{
if (shouldExist)
{
throw new TableServiceGeneralException(TableServiceError.EntityNotFound, null);
}
return(null);
}
changeDescription.ExistingRow = utilityRow;
TableRow sqlEntity = this.GetSqlEntity(utilityRow.PartitionKey, utilityRow.RowKey, changeDescription.EtagConditionUsed);
if (sqlEntity == null)
{
throw new TableServiceGeneralException(TableServiceError.UpdateConditionNotSatisfied, null);
}
return(sqlEntity);
}
private void ProcessChange(ChangeDescription changeDescription)
{
TableRow sqlEntity = null;
PointQueryTracker pointQuery = null;
DbTableDataContext failedCommandIndex = this;
failedCommandIndex.FailedCommandIndex = failedCommandIndex.FailedCommandIndex + 1;
switch (changeDescription.UpdateType)
{
case UpdateKind.Insert:
{
this.CheckPermissions(null, changeDescription);
this.CheckPartitionAndRowKeys(((UtilityRow)changeDescription.Row).PartitionKey, ((UtilityRow)changeDescription.Row).RowKey, changeDescription.UpdateType);
DateTime?nullable = null;
sqlEntity = this.GetSqlEntity(((UtilityRow)changeDescription.Row).PartitionKey, ((UtilityRow)changeDescription.Row).RowKey, nullable);
if (sqlEntity != null)
{
throw new TableServiceGeneralException(TableServiceError.EntityAlreadyExists, null);
}
UtilityRow row = (UtilityRow)changeDescription.Row;
this.AddChangeToMap(DevelopmentStorageDbDataContext.EncodeKeyString(row.PartitionKey), DevelopmentStorageDbDataContext.EncodeKeyString(row.RowKey), changeDescription);
this.m_dbContext.TableRows.InsertOnSubmit(this.CreateAndPopulateSqlEntity(row));
return;
}
case UpdateKind.Delete:
{
if (changeDescription.IfMatchHeaderMissing)
{
throw new XStoreArgumentException("If-Match header is mandatory when deleting an entity.");
}
sqlEntity = this.CheckAndGetEntity(changeDescription, true);
this.AddChangeToMap(sqlEntity.PartitionKey, sqlEntity.RowKey, changeDescription);
this.m_dbContext.TableRows.DeleteOnSubmit(sqlEntity);
return;
}
case UpdateKind.Replace:
{
sqlEntity = this.CheckAndGetEntity(changeDescription, true);
this.AddChangeToMap(sqlEntity.PartitionKey, sqlEntity.RowKey, changeDescription);
sqlEntity.Data = XmlUtility.GetXmlFromUtilityRow(changeDescription.Row as UtilityRow);
return;
}
case UpdateKind.Merge:
{
sqlEntity = this.CheckAndGetEntity(changeDescription, true);
this.AddChangeToMap(sqlEntity.PartitionKey, sqlEntity.RowKey, changeDescription);
sqlEntity.Data = XmlUtility.MergeXmlProperties(changeDescription.Row as UtilityRow, sqlEntity.Data);
return;
}
case UpdateKind.InsertOrMerge:
{
this.ExecuteQuery <UtilityRow>(changeDescription);
pointQuery = ((DbTableRowQueryProvider <UtilityRow>)changeDescription.QueryableRow.Provider).PointQuery;
if (pointQuery == null)
{
throw new DataServiceException(400, "PK and RK not present in the required format");
}
(changeDescription.Row as UtilityRow).PartitionKey = pointQuery.PartitionKey;
(changeDescription.Row as UtilityRow).RowKey = pointQuery.RowKey;
sqlEntity = this.CheckAndGetEntity(changeDescription, false);
this.AddChangeToMap(DevelopmentStorageDbDataContext.EncodeKeyString(pointQuery.PartitionKey), DevelopmentStorageDbDataContext.EncodeKeyString(pointQuery.RowKey), changeDescription);
if (sqlEntity != null)
{
sqlEntity.Data = XmlUtility.MergeXmlProperties(changeDescription.Row as UtilityRow, sqlEntity.Data);
return;
}
this.m_dbContext.TableRows.InsertOnSubmit(this.CreateAndPopulateSqlEntity(changeDescription.Row as UtilityRow));
return;
}
case UpdateKind.InsertOrReplace:
{
this.ExecuteQuery <UtilityRow>(changeDescription);
pointQuery = ((DbTableRowQueryProvider <UtilityRow>)changeDescription.QueryableRow.Provider).PointQuery;
if (pointQuery == null)
{
throw new DataServiceException(400, "PK and RK not present in the required format");
}
(changeDescription.Row as UtilityRow).PartitionKey = pointQuery.PartitionKey;
(changeDescription.Row as UtilityRow).RowKey = pointQuery.RowKey;
sqlEntity = this.CheckAndGetEntity(changeDescription, false);
this.AddChangeToMap(DevelopmentStorageDbDataContext.EncodeKeyString(pointQuery.PartitionKey), DevelopmentStorageDbDataContext.EncodeKeyString(pointQuery.RowKey), changeDescription);
if (sqlEntity != null)
{
sqlEntity.Data = XmlUtility.GetXmlFromUtilityRow(changeDescription.Row as UtilityRow);
return;
}
this.m_dbContext.TableRows.InsertOnSubmit(this.CreateAndPopulateSqlEntity(changeDescription.Row as UtilityRow));
return;
}
default:
{
return;
}
}
}
