public override bool MergeOperation(ref IndexOperation postOperation)
{
if (this._rowId != postOperation.RowId)
{
return(false);
}
switch (postOperation.OperationType)
{
case Type.Add:
if (this._value == postOperation.Value)
{
postOperation = this;
return(true);
}
return(false);
case Type.Remove:
if (this._value == postOperation.Value)
{
postOperation = new RemoveOperation(this._rowId, this._oldValue);
return(true);
}
else if (this._oldValue == postOperation.Value)
{
postOperation = this;
return(true);
}
return(false);
case Type.Update:
UpdateOperation update = postOperation as UpdateOperation;
if (this._oldValue == update.OldValue && this._value == update.Value)
{
return(true);
}
else if (this._value == update.OldValue)
{
update._oldValue = this._oldValue;
return(true);
}
else if (this._value == update.Value)
{
postOperation = new RemoveOperation(update._rowId, update._oldValue);
}
else if (this._oldValue == update.Value)
{
postOperation = new AddOperation(update._rowId, update._value);
}
return(false);
case Type.NoOp:
postOperation = this;
return(true);
default:
return(false);
}
}
public abstract bool MergeOperation(ref IndexOperation postOperation);
public override bool MergeOperation(ref IndexOperation postOperation)
{
return(true);
}
