dbaccess/source/core/api/RowSetCacheIterator.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "RowSetCacheIterator.hxx"
  21 #include "RowSetCache.hxx"
  22 #include "RowSetBase.hxx"
  23 #include <rtl/logfile.hxx>
  24
  25 using namespace dbaccess;
  26 ORowSetCacheIterator::ORowSetCacheIterator(const ORowSetCacheIterator& _rRH)
  27 : m_aIter(_rRH.m_aIter)
  28 , m_pCache(_rRH.m_pCache)
  29 ,m_pRowSet(_rRH.m_pRowSet)
  30 {
  31     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbaccess", "Ocke.Janssen@sun.com", "ORowSetCacheIterator::ORowSetCacheIterator" );
  32 }
  33
  34 ORowSetCacheIterator::operator ORowSetMatrix::iterator()
  35 {
  36     return m_aIter->second.aIterator;
  37 }
  38
  39 ORowSetCacheIterator& ORowSetCacheIterator::operator =(const ORowSetCacheIterator& _rRH)
  40 {
  41     if(this == &_rRH)
  42         return *this;
  43
  44     m_pCache = _rRH.m_pCache;
  45     m_aIter  = _rRH.m_aIter;
  46     m_pRowSet = _rRH.m_pRowSet;
  47
  48     return *this;
  49 }
  50
  51 ORowSetCacheIterator& ORowSetCacheIterator::operator =(const ORowSetMatrix::iterator& _rIter)
  52 {
  53     m_aIter->second.aIterator = _rIter;
  54     return *this;
  55 }
  56
  57 ORowSetRow& ORowSetCacheIterator::operator *()
  58 {
  59     return *m_aIter->second.aIterator;
  60 }
  61
  62 const ORowSetRow& ORowSetCacheIterator::operator *() const
  63 {
  64     if ( !m_pRowSet->isInsertRow() && m_aIter->second.aIterator == m_pCache->m_pMatrix->end() )
  65     {
  66         OSL_ENSURE(m_aIter->second.aBookmark.hasValue(),"bookmark has no value!");
  67         OSL_VERIFY(m_pCache->moveToBookmark(m_aIter->second.aBookmark));
  68         m_aIter->second.aIterator = m_pCache->m_aMatrixIter;
  69     }
  70     return *m_aIter->second.aIterator;
  71 }
  72
  73 ORowSetMatrix::iterator& ORowSetCacheIterator::operator ->()
  74 {
  75     return m_aIter->second.aIterator;
  76 }
  77
  78 const ORowSetMatrix::iterator& ORowSetCacheIterator::operator ->() const
  79 {
  80     if ( !m_pRowSet->isInsertRow() && m_aIter->second.aIterator == m_pCache->m_pMatrix->end() )
  81     {
  82         OSL_ENSURE(m_aIter->second.aBookmark.hasValue(),"bookmark has no value!");
  83         OSL_VERIFY(m_pCache->moveToBookmark(m_aIter->second.aBookmark));
  84         m_aIter->second.aIterator = m_pCache->m_aMatrixIter;
  85     }
  86     return m_aIter->second.aIterator;
  87 }
  88
  89 bool ORowSetCacheIterator::operator <=(const ORowSetMatrix::iterator& _rRH) const
  90 {
  91     return m_aIter->second.aIterator <= _rRH;
  92 }
  93
  94 bool ORowSetCacheIterator::operator <(const ORowSetMatrix::iterator& _rRH) const
  95 {
  96     return m_aIter->second.aIterator < _rRH;
  97 }
  98
  99 bool ORowSetCacheIterator::operator !=(const ORowSetMatrix::iterator& _rRH) const
 100 {
 101     return m_aIter->second.aIterator != _rRH;
 102 }
 103
 104 bool ORowSetCacheIterator::operator ==(const ORowSetMatrix::iterator& _rRH) const
 105 {
 106     return m_aIter->second.aIterator == _rRH;
 107 }
 108
 109 void ORowSetCacheIterator::setBookmark(const ::com::sun::star::uno::Any&    _rBookmark)
 110 {
 111     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbaccess", "Ocke.Janssen@sun.com", "ORowSetCacheIterator::setBookmark" );
 112     m_aIter->second.aBookmark = _rBookmark;
 113 }
 114
 115 sal_Bool ORowSetCacheIterator::isNull() const
 116 {
 117     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbaccess", "Ocke.Janssen@sun.com", "ORowSetCacheIterator::isNull" );
 118     sal_Bool bRet = !m_pCache || !m_pRowSet || m_aIter == m_pCache->m_aCacheIterators.end();
 119     if ( !bRet )
 120     {
 121         ORowSetCacheIterator_Helper aHelper = m_aIter->second;
 122         bRet = ( m_pRowSet->isInsertRow()
 123             ?
 124             m_aIter->second.aIterator == m_pCache->m_pInsertMatrix->end()
 125             :
 126             m_aIter->second.aIterator == m_pCache->m_pMatrix->end()
 127         );
 128     }
 129     return  bRet;
 130 }
 131
 132 ::osl::Mutex* ORowSetCacheIterator::getMutex() const
 133 {
 134     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbaccess", "Ocke.Janssen@sun.com", "ORowSetCacheIterator::getMutex" );
 135     return m_pRowSet ? m_pRowSet->getMutex() : NULL;
 136 }
 137
 138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */