Impala Documentation

virtual void Impala::Util::IOBufferChannel::SetPosition ( PositionType position ) [inline, virtual]

Definition at line 295 of file IOBufferChannel.h.

References Impala::Util::Channel::Buffer(), Impala::Util::IOBuffer::GetPosition(), ILOG_ERROR, Impala::Util::Channel::LastSendHadError(), mId, mMyChannel, Impala::Util::Channel::SendRequest(), and Impala::Util::IOBuffer::SetPosition().

Referenced by DoNativeTypeRead(), Gets(), Read(), ReadLine(), and Write().

00296     {
00297         if (GetPosition() == position)
00298             return;
00299 
00300         char* buf = mMyChannel->Buffer();
00301         sprintf(buf, "seekfilebuffer %d %lld %d\0", mId, position, SEEK_SET);
00302         mMyChannel->SendRequest(strlen(buf)+1);
00303         if (mMyChannel->LastSendHadError())
00304         {
00305             ILOG_ERROR("Failed to seek");
00306             return;
00307         }
00308         PositionType newPos;
00309         sscanf(buf, "%lld", &newPos);
00310         IOBuffer::SetPosition(newPos);
00311     }

Here is the call graph for this function: