protected override void Read(BinaryReader br, bool isPhysicalRead)
{
// IF THIS METHOD CHANGES, READLOGICAL MUST CHANGE ACCORDINGLY AS WE ARE ADDING MULTIPLE ARRAYSEGMENTS HERE
// THIS IS TRUE FOR ANY REDO+UNDO TYPE RECORDS
base.Read(br, isPhysicalRead);
// Metadata section.
var startingPosition = br.BaseStream.Position;
var sizeOfSection = br.ReadInt32();
var endPosition = startingPosition + sizeOfSection;
// Read Metadata fields
this.isRedoOnly = br.ReadBoolean();
// Jump to the end of the section ignoring fields that are not understood.
Utility.Assert(endPosition >= br.BaseStream.Position, "Could not have read more than section size.");
br.BaseStream.Position = endPosition;
if (this.isRedoOnly)
{
this.Transaction = AtomicRedoOperation.CreateAtomicRedoOperation(this.Transaction.Id, true);
}
this.metaData = ReadOperationData(br);
this.redo = ReadOperationData(br);
if (!this.isRedoOnly)
{
this.undo = ReadOperationData(br);
}
this.UpdateApproximateDiskSize();
return;
}
protected override void ReadLogical(OperationData operationData, ref int index)
{
base.ReadLogical(operationData, ref index);
using (var br = new BinaryReader(IncrementIndexAndGetMemoryStreamAt(operationData, ref index)))
{
// Metadata section.
var startingPosition = br.BaseStream.Position;
var sizeOfSection = br.ReadInt32();
var endPosition = startingPosition + sizeOfSection;
// Read Metadata fields
this.isRedoOnly = br.ReadBoolean();
// Jump to the end of the section ignoring fields that are not understood.
Utility.Assert(endPosition >= br.BaseStream.Position, "Could not have read more than section size.");
br.BaseStream.Position = endPosition;
}
if (this.isRedoOnly)
{
this.Transaction = AtomicRedoOperation.CreateAtomicRedoOperation(this.Transaction.Id, true);
}
this.metaData = ReadOperationData(operationData, ref index);
this.redo = ReadOperationData(operationData, ref index);
if (!this.isRedoOnly)
{
this.undo = ReadOperationData(operationData, ref index);
}
this.UpdateApproximateDiskSize();
}
public async Task <long> AddOperationAsync(
AtomicRedoOperation atomicRedoOperation,
OperationData metaData,
OperationData redo,
object operationContext)
{
var record = new OperationLogRecord(atomicRedoOperation, metaData, redo, operationContext);
await this.ProcessLogicalRecordOnPrimaryAsync(record).ConfigureAwait(false);
return(record.Lsn.LSN);
}
/// <summary>
/// Called when state providers need to replicate their redo only operation and when local state needs to be replicated.
/// </summary>
Task <long> ITransactionalReplicator.AddOperationAsync(
AtomicRedoOperation atomicRedoOperation,
OperationData metaData,
OperationData redo,
object operationContext,
long stateProviderId)
{
return(this.stateManager.AddOperationAsync(
atomicRedoOperation,
metaData,
redo,
operationContext,
stateProviderId));
}
