private void MetadataInitialSetup()
{
using ITransaction tran = this.logManager.CreateTransaction(this.pageAllocator, false, "MetadataSetup");
MixedPage mdColumnsFirstPage = this.pageAllocator.AllocateMixedPage(MetadataColumnsManager.GetSchemaDefinition(), PageManagerConstants.NullPageId, PageManagerConstants.NullPageId, tran).Result;
this.columnsManager = new MetadataColumnsManager(this.pageAllocator, mdColumnsFirstPage, this.stringHeap);
MixedPage mdTableFirstPage = this.pageAllocator.AllocateMixedPage(MetadataTablesManager.GetSchemaDefinition(), PageManagerConstants.NullPageId, PageManagerConstants.NullPageId, tran).Result;
this.tableManager = new MetadataTablesManager(this.pageAllocator, mdTableFirstPage, this.stringHeap, this.columnsManager);
RowHolder rhf = new RowHolder(this.masterPageColumnDefinition);
rhf.SetField <int>(0, (int)MetadataObjectEnum.MdTableId);
rhf.SetField <long>(1, (long)mdTableFirstPage.PageId());
masterMetadataCollection.Add(rhf, tran).Wait();
rhf.SetField <int>(0, (int)MetadataObjectEnum.MdColumnId);
rhf.SetField <long>(1, (long)mdColumnsFirstPage.PageId());
masterMetadataCollection.Add(rhf, tran).Wait();
tran.Commit().Wait();
}
public async Task <int> CreateObject(ColumnCreateDefinition def, ITransaction tran)
{
if (await this.Exists(def, tran))
{
throw new ElementWithSameNameExistsException();
}
RowHolder rh = new RowHolder(columnDefinitions);
PagePointerOffsetPair namePointer = await this.stringHeap.Add(def.ColumnName.ToCharArray(), tran);
rh.SetField <int>(0, def.ColumnId);
rh.SetField <int>(1, def.TableId);
rh.SetField <PagePointerOffsetPair>(2, namePointer);
rh.SetField <int>(3, (int)def.ColumnType.ColumnType);
rh.SetField <int>(4, def.ColumnType.RepCount);
await pageListCollection.Add(rh, tran);
return(def.ColumnId);
}
public async Task <int> CreateObject(TableCreateDefinition def, ITransaction tran)
{
if (await this.Exists(def, tran))
{
throw new ElementWithSameNameExistsException();
}
if (def.ColumnNames.Length != def.ColumnTypes.Length)
{
throw new ArgumentException();
}
int id = 1;
if (!(await pageListCollection.IsEmpty(tran)))
{
int maxId = await pageListCollection.Max <int>(rh => rh.GetField <int>(0), startMin : 0, tran);
id = maxId + 1;
}
MixedPage rootPage = await this.pageAllocator.AllocateMixedPage(def.ColumnTypes, PageManagerConstants.NullPageId, PageManagerConstants.NullPageId, tran);
RowHolder rh = new RowHolder(columnDefinitions);
PagePointerOffsetPair namePointer = await this.stringHeap.Add(def.TableName.ToCharArray(), tran);
rh.SetField <int>(0, id);
rh.SetField <PagePointerOffsetPair>(1, namePointer);
rh.SetField <long>(2, (long)rootPage.PageId());
await pageListCollection.Add(rh, tran);
for (int i = 0; i < def.ColumnNames.Length; i++)
{
ColumnCreateDefinition ccd = new ColumnCreateDefinition(id, def.ColumnNames[i], def.ColumnTypes[i], i);
await columnManager.CreateObject(ccd, tran);
}
return(id);
}