leveldb::WriteBatchInternal Class Reference

#include <write_batch_internal.h>

Static Public Member Functions
static int	Count (const WriteBatch *batch)
static void	SetCount (WriteBatch *batch, int n)
static SequenceNumber	Sequence (const WriteBatch *batch)
static void	SetSequence (WriteBatch *batch, SequenceNumber seq)
static Slice	Contents (const WriteBatch *batch)
static size_t	ByteSize (const WriteBatch *batch)
static void	SetContents (WriteBatch *batch, const Slice &contents)
static Status	InsertInto (const WriteBatch *batch, MemTable *memtable)
static void	Append (WriteBatch *dst, const WriteBatch *src)

Detailed Description

Definition at line 17 of file write_batch_internal.h.

Member Function Documentation

Append()

void leveldb::WriteBatchInternal::Append ( WriteBatch *  dst, const WriteBatch *  src  )

static

Definition at line 141 of file write_batch.cc.

                                                                      {
  SetCount(dst, Count(dst) + Count(src));
  assert(src->rep_.size() >= kHeader);
  dst->rep_.append(src->rep_.data() + kHeader, src->rep_.size() - kHeader);
}

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ByteSize()

static size_t leveldb::WriteBatchInternal::ByteSize ( const WriteBatch *  batch )

inlinestatic

Definition at line 36 of file write_batch_internal.h.

                                                  {
    return batch->rep_.size();
  }

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Contents()

static Slice leveldb::WriteBatchInternal::Contents ( const WriteBatch *  batch )

inlinestatic

Definition at line 32 of file write_batch_internal.h.

                                                 {
    return Slice(batch->rep_);
  }

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Count()

int leveldb::WriteBatchInternal::Count ( const WriteBatch *  batch )

static

Definition at line 82 of file write_batch.cc.

                                                 {
  return DecodeFixed32(b->rep_.data() + 8);
}

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InsertInto()

Status leveldb::WriteBatchInternal::InsertInto ( const WriteBatch *  batch, MemTable *  memtable  )

static

Definition at line 128 of file write_batch.cc.

                                                          {
  MemTableInserter inserter;
  inserter.sequence_ = WriteBatchInternal::Sequence(b);
  inserter.mem_ = memtable;
  return b->Iterate(&inserter);
}

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Sequence()

SequenceNumber leveldb::WriteBatchInternal::Sequence ( const WriteBatch *  batch )

static

Definition at line 90 of file write_batch.cc.

                                                               {
  return SequenceNumber(DecodeFixed64(b->rep_.data()));
}

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SetContents()

void leveldb::WriteBatchInternal::SetContents ( WriteBatch *  batch, const Slice &  contents  )

static

Definition at line 136 of file write_batch.cc.

                                                                         {
  assert(contents.size() >= kHeader);
  b->rep_.assign(contents.data(), contents.size());
}

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SetCount()

void leveldb::WriteBatchInternal::SetCount ( WriteBatch *  batch, int  n  )

static

Definition at line 86 of file write_batch.cc.

                                                      {
  EncodeFixed32(&b->rep_[8], n);
}

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SetSequence()

void leveldb::WriteBatchInternal::SetSequence ( WriteBatch *  batch, SequenceNumber  seq  )

static

Definition at line 94 of file write_batch.cc.

                                                                      {
  EncodeFixed64(&b->rep_[0], seq);
}

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The documentation for this class was generated from the following files:

• db/write_batch_internal.h
• db/write_batch.cc