TNTFSRecordIndex

Return to Unit NTFSClass

Description

---

To be documented

Class definitions

---

TNTFSRecordIndex = class(TLinkedObjBtree)

Note: Index of FILE records.
constructor Create;
destructor Destroy; override;
private
FLock:TSynchronizerHandle;
FRecordLocal:TMutexHandle;
FRunsLock:TSynchronizerHandle;
FItemsLock:TSynchronizerHandle;
FNodesLock:TSynchronizerHandle;
FIndexLock:TSynchronizerHandle;
FExtendedsLock:TSynchronizerHandle;
FAttributesLock:TSynchronizerHandle;
FRunLocal:TMutexHandle;
FItemLocal:TMutexHandle;
FKeyLocal:TMutexHandle;
FNodeLocal:TMutexHandle;
FExtendedLocal:TMutexHandle;
FAttributeLocal:TMutexHandle;
function Find(const ARecordNumber:Int64; ACurrent:TNTFSDiskRecord):TNTFSDiskRecord;
protected
function CreateBlank:TBtreeObject; override;
function Compare(AEntry1,AEntry2:TBtreeObject):Integer; override;
public
function CreateRecord(ABase:TNTFSDiskRecord; const ARecordNumber:Int64; AVersion:Word):TNTFSDiskRecord;
function DestroyRecord(ARecord:TNTFSDiskRecord):Boolean;
function NewRecord(ABase:TNTFSDiskRecord; const ARecordNumber:Int64; AVersion:Word):TNTFSDiskRecord;
function InsertRecord(ARecord:TNTFSDiskRecord):Boolean;
function DeleteRecord(ARecord:TNTFSDiskRecord):Boolean;
function RemoveRecord(ARecord:TNTFSDiskRecord):Boolean;
function FindRecord(const ARecordNumber:Int64):TNTFSDiskRecord;
function ReaderLock:Boolean;
function ReaderUnlock:Boolean;
function ReaderConvert:Boolean;
function WriterLock:Boolean;
function WriterUnlock:Boolean;
function WriterConvert:Boolean;
function RunsReaderLock:Boolean;
function RunsReaderUnlock:Boolean;
function RunsWriterLock:Boolean;
function RunsWriterUnlock:Boolean;
function ItemsReaderLock:Boolean;
function ItemsReaderUnlock:Boolean;
function ItemsWriterLock:Boolean;
function ItemsWriterUnlock:Boolean;
function NodesReaderLock:Boolean;
function NodesReaderUnlock:Boolean;
function NodesWriterLock:Boolean;
function NodesWriterUnlock:Boolean;
function IndexReaderLock:Boolean;
function IndexReaderUnlock:Boolean;
function IndexWriterLock:Boolean;
function IndexWriterUnlock:Boolean;
function ExtendedsReaderLock:Boolean;
function ExtendedsReaderUnlock:Boolean;
function ExtendedsWriterLock:Boolean;
function ExtendedsWriterUnlock:Boolean;
function AttributesReaderLock:Boolean;
function AttributesReaderUnlock:Boolean;
function AttributesWriterLock:Boolean;
function AttributesWriterUnlock:Boolean;

Function declarations

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constructor TNTFSRecordIndex.Create;

Description: To be documented

Note	None documented

destructor TNTFSRecordIndex.Destroy;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.Find(const ARecordNumber:Int64; ACurrent:TNTFSDiskRecord):TNTFSDiskRecord;

Description: To be documented

Note	Caller must hold the records lock

function TNTFSRecordIndex.CreateBlank:TBtreeObject;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.Compare(AEntry1,AEntry2:TBtreeObject):Integer;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.CreateRecord(ABase:TNTFSDiskRecord; const ARecordNumber:Int64; AVersion:Word):TNTFSDiskRecord;

Description: Create a record, setup properties, do not insert in index

Note	Caller must hold the records lock

function TNTFSRecordIndex.DestroyRecord(ARecord:TNTFSDiskRecord):Boolean;

Description: Free the record, do not remove from index

Note	Caller must hold the records lock

function TNTFSRecordIndex.NewRecord(ABase:TNTFSDiskRecord; const ARecordNumber:Int64; AVersion:Word):TNTFSDiskRecord;

Description: Create a record, setup properties, do not insert in index

Note	Caller must hold the records lock

function TNTFSRecordIndex.InsertRecord(ARecord:TNTFSDiskRecord):Boolean;

Description: Insert the record in the index (Blank not allowed)

Note	Caller must hold the records lock

function TNTFSRecordIndex.DeleteRecord(ARecord:TNTFSDiskRecord):Boolean;

Description: Remove the record from the index, do not free (Blank not allowed)

Note	Caller must hold the records lock

function TNTFSRecordIndex.RemoveRecord(ARecord:TNTFSDiskRecord):Boolean;

Description: Remove the record from the index and free (Blank not allowed)

Note	Caller must hold the records lock

function TNTFSRecordIndex.FindRecord(const ARecordNumber:Int64):TNTFSDiskRecord;

Description: To be documented

Note	Caller must hold the records lock

function TNTFSRecordIndex.ReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ReaderConvert:Boolean; 

Description: Convert a Reader lock to a Writer lock

Note	None documented

function TNTFSRecordIndex.WriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.WriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.WriterConvert:Boolean;

Description: Convert a Writer lock to a Reader lock

Note	None documented

function TNTFSRecordIndex.RunsReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.RunsReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.RunsWriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.RunsWriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ItemsReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ItemsReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ItemsWriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ItemsWriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.NodesReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.NodesReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.NodesWriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.NodesWriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.IndexReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.IndexReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.IndexWriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.IndexWriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ExtendedsReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ExtendedsReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ExtendedsWriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.ExtendedsWriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.AttributesReaderLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.AttributesReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.AttributesWriterLock:Boolean;

Description: To be documented

Note	None documented

function TNTFSRecordIndex.AttributesWriterUnlock:Boolean;

Description: To be documented

Note	None documented

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