コード例 #1
0
 public static IQueryable <UtilityTable> CreateTableQuery(string accountName, DbTableDataContext context)
 {
     return(new DbTableRowQueryable <UtilityTable>(new DbTableRowQueryProvider <UtilityTable>(context, accountName, "Tables")));
 }
コード例 #2
0
        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;
            }
            }
        }
コード例 #3
0
        public static IQueryable <UtilityRow> CreateRowQuery(string accountName, string tableName, DbTableDataContext context)
        {
            DbTableRowQueryProvider <UtilityRow> dbTableRowQueryProvider = new DbTableRowQueryProvider <UtilityRow>(context, accountName, tableName);

            if (context.SignedAccountIdentifier != null && (context.SignedAccountIdentifier.StartingPartitionKey != null || context.SignedAccountIdentifier.StartingRowKey != null || context.SignedAccountIdentifier.EndingPartitionKey != null || context.SignedAccountIdentifier.EndingRowKey != null))
            {
                KeyBounds keyBound = new KeyBounds()
                {
                    MinPartitionKey = context.SignedAccountIdentifier.StartingPartitionKey,
                    MinRowKey       = context.SignedAccountIdentifier.StartingRowKey,
                    MaxPartitionKey = context.SignedAccountIdentifier.EndingPartitionKey,
                    MaxRowKey       = context.SignedAccountIdentifier.EndingRowKey
                };
                dbTableRowQueryProvider.SASKeyBounds = keyBound;
            }
            return(new DbTableRowQueryable <UtilityRow>(dbTableRowQueryProvider));
        }
コード例 #4
0
 public DbTableRowQueryProvider(DbTableDataContext context, string accountName, string userResourceName)
 {
     this._context          = context;
     this._accountName      = accountName;
     this._userResourceName = userResourceName;
 }