Slice::Slice(Shard& shard)
: m_shard(shard),
m_capacity(shard.GetSliceCapacity()),
m_refCount(1),
m_buffer(shard.AllocateSliceBuffer()),
m_unallocatedCount(shard.GetSliceCapacity()),
m_commitPendingCount(0),
m_expiredCount(0)
{
Initialize();
// Perform start up initialization of the DocTable and RowTables after
// the buffer has been allocated.
GetDocTable().Initialize(m_buffer);
for (Rank r = 0; r <= c_maxRankValue; ++r)
{
GetRowTable(r).Initialize(m_buffer, m_shard.GetTermTable());
}
}
Slice::Slice(Shard& shard, std::istream& input)
: m_shard(shard),
m_capacity(shard.GetSliceCapacity()),
m_refCount(1),
m_buffer(shard.LoadSliceBuffer(input)),
m_unallocatedCount(StreamUtilities::ReadField<DocIndex>(input)),
m_commitPendingCount(StreamUtilities::ReadField<DocIndex>(input)),
m_expiredCount(StreamUtilities::ReadField<DocIndex>(input))
{
// Initializes the slice buffer, place pointer to a Slice at the
// specific offset as indicated by Shard.
Initialize();
// Perform loading of the DocTable contents which is not part of the
// SliceBuffer.
GetDocTable().LoadVariableSizeBlobs(m_buffer, input);
// No need to initialize RowTable buffers since they are simply part of
// the SliceBuffer which has been already loaded by the call to ReadBytes
// above.
}