/// <summary>
/// Try to gap fill the current term at a given offset if the gap contains no data.
///
/// Note: the gap offset plus gap length must end on a <seealso cref="FrameDescriptor.FRAME_ALIGNMENT"/> boundary.
/// </summary>
/// <param name="logMetaDataBuffer"> containing the default headers </param>
/// <param name="termBuffer"> to gap fill </param>
/// <param name="termId"> for the current term. </param>
/// <param name="gapOffset"> to fill from </param>
/// <param name="gapLength"> to length of the gap. </param>
/// <returns> true if the gap has been filled with a padding record or false if data found. </returns>
public static bool TryFillGap(UnsafeBuffer logMetaDataBuffer, UnsafeBuffer termBuffer, int termId, int gapOffset, int gapLength)
{
int offset = gapOffset + gapLength - FrameDescriptor.FRAME_ALIGNMENT;
while (offset >= gapOffset)
{
if (0 != termBuffer.GetInt(offset))
{
return(false);
}
offset -= FrameDescriptor.FRAME_ALIGNMENT;
}
LogBufferDescriptor.ApplyDefaultHeader(logMetaDataBuffer, termBuffer, gapOffset);
FrameDescriptor.FrameType(termBuffer, gapOffset, HeaderFlyweight.HDR_TYPE_PAD);
FrameDescriptor.FrameTermOffset(termBuffer, gapOffset);
FrameDescriptor.FrameTermId(termBuffer, gapOffset, termId);
FrameDescriptor.FrameLengthOrdered(termBuffer, gapOffset, gapLength);
return(true);
}