LbmEntryDump.cpp

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00001 /*
00002 // $Id: //open/dev/fennel/lucidera/bitmap/LbmEntryDump.cpp#5 $
00003 // Fennel is a library of data storage and processing components.
00004 // Copyright (C) 2005-2009 LucidEra, Inc.
00005 // Copyright (C) 2005-2009 The Eigenbase Project
00006 //
00007 // This program is free software; you can redistribute it and/or modify it
00008 // under the terms of the GNU General Public License as published by the Free
00009 // Software Foundation; either version 2 of the License, or (at your option)
00010 // any later version approved by The Eigenbase Project.
00011 //
00012 // This program is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 //
00017 // You should have received a copy of the GNU General Public License
00018 // along with this program; if not, write to the Free Software
00019 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020 */
00021 
00022 #include "fennel/common/CommonPreamble.h"
00023 #include "fennel/lucidera/bitmap/LbmEntryDump.h"
00024 
00025 FENNEL_BEGIN_CPPFILE("$Id: //open/dev/fennel/lucidera/bitmap/LbmEntryDump.cpp#5 $");
00026 
00027 LbmEntryDump::LbmEntryDump(
00028     TraceLevel traceLevelInit,
00029     SharedTraceTarget pTraceTargetInit,
00030     string nameInit) :
00031     TraceSource(pTraceTargetInit, nameInit)
00032 {
00033     traceLevel = traceLevelInit;
00034 }
00035 
00036 
00037 uint LbmEntryDump::dump(BTreeDescriptor const &treeDescriptor, bool printRID)
00038 {
00039     uint numTuples = 0;
00040     TupleData indexTuple;
00041     TupleDescriptor indexTupleDesc = treeDescriptor.tupleDescriptor;
00042     SharedBTreeReader pReader = SharedBTreeReader(
00043         new BTreeReader(treeDescriptor));
00044 
00045     TupleAccessor const& indexTupleAccessor
00046         = pReader->getTupleAccessorForRead();
00047 
00048     indexTuple.compute(indexTupleDesc);
00049 
00050     ostringstream treeRootPageId;
00051     treeRootPageId << "RootPageId " << opaqueToInt(treeDescriptor.rootPageId);
00052     FENNEL_TRACE(traceLevel, treeRootPageId.str());
00053 
00054     if (!pReader->searchFirst()) {
00055         pReader->endSearch();
00056     }
00057 
00058     while (pReader->isPositioned()) {
00059         indexTupleAccessor.unmarshal(indexTuple);
00060         FENNEL_TRACE(traceLevel, LbmEntry::toString(indexTuple, printRID));
00061         numTuples ++;
00062 
00063         if (!pReader->searchNext()) {
00064             pReader->endSearch();
00065             break;
00066         }
00067     }
00068 
00069     return numTuples;
00070 }
00071 
00072 
00073 FENNEL_END_CPPFILE("$Id: //open/dev/fennel/lucidera/bitmap/LbmEntryDump.cpp#5 $");
00074 
00075 // End LbmEntryDump.cpp

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