140 lines
4.9 KiB
C++
140 lines
4.9 KiB
C++
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
#ifndef CONNECTIVITY_TSORTINDEX_HXX
|
|
#define CONNECTIVITY_TSORTINDEX_HXX
|
|
|
|
#include "connectivity/dbtoolsdllapi.hxx"
|
|
#include "TKeyValue.hxx"
|
|
|
|
namespace connectivity
|
|
{
|
|
typedef enum
|
|
{
|
|
SQL_ORDERBYKEY_NONE, // do not sort
|
|
SQL_ORDERBYKEY_DOUBLE, // numeric key
|
|
SQL_ORDERBYKEY_STRING // String Key
|
|
} OKeyType;
|
|
|
|
typedef enum
|
|
{
|
|
SQL_ASC = 1, // ascending
|
|
SQL_DESC = -1 // otherwise
|
|
} TAscendingOrder;
|
|
|
|
class OKeySet;
|
|
class OKeyValue; // simple class which holds a sal_Int32 and a ::std::vector<ORowSetValueDecoratorRef>
|
|
|
|
/**
|
|
The class OSortIndex can be used to implement a sorted index.
|
|
This can depend on the fields which should be sorted.
|
|
*/
|
|
class OOO_DLLPUBLIC_DBTOOLS OSortIndex
|
|
{
|
|
public:
|
|
typedef ::std::vector< ::std::pair<sal_Int32,OKeyValue*> > TIntValuePairVector;
|
|
typedef ::std::vector<OKeyType> TKeyTypeVector;
|
|
|
|
private:
|
|
TIntValuePairVector m_aKeyValues;
|
|
TKeyTypeVector m_aKeyType;
|
|
::std::vector<TAscendingOrder> m_aAscending;
|
|
sal_Bool m_bFrozen;
|
|
|
|
public:
|
|
|
|
OSortIndex( const ::std::vector<OKeyType>& _aKeyType,
|
|
const ::std::vector<TAscendingOrder>& _aAscending);
|
|
|
|
~OSortIndex();
|
|
|
|
inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
|
|
{ return ::rtl_allocateMemory( nSize ); }
|
|
inline static void * SAL_CALL operator new( size_t,void* _pHint ) SAL_THROW( () )
|
|
{ return _pHint; }
|
|
inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () )
|
|
{ ::rtl_freeMemory( pMem ); }
|
|
inline static void SAL_CALL operator delete( void *,void* ) SAL_THROW( () )
|
|
{ }
|
|
|
|
|
|
/**
|
|
AddKeyValue appends a new value.
|
|
@param
|
|
pKeyValue the keyvalue to be appended
|
|
ATTENTION: when the sortindex is already frozen the parameter will be deleted
|
|
*/
|
|
void AddKeyValue(OKeyValue * pKeyValue);
|
|
|
|
/**
|
|
Freeze freezes the sortindex so that new values could only be appended by their value
|
|
*/
|
|
void Freeze();
|
|
|
|
/**
|
|
CreateKeySet creates the keyset which vaalues could be used to travel in your table/result
|
|
The returned keyset is frozen.
|
|
*/
|
|
::vos::ORef<OKeySet> CreateKeySet();
|
|
|
|
|
|
|
|
// look at the name
|
|
sal_Bool IsFrozen() const { return m_bFrozen; }
|
|
// returns the current size of the keyvalues
|
|
sal_Int32 Count() const { return m_aKeyValues.size(); }
|
|
/** GetValue returns the value at position nPos (1..n) [sorted access].
|
|
It only allowed to call this method after the sortindex has been frozen.
|
|
*/
|
|
|
|
sal_Int32 GetValue(sal_Int32 nPos) const;
|
|
|
|
inline const ::std::vector<OKeyType>& getKeyType() const { return m_aKeyType; }
|
|
inline TAscendingOrder getAscending(::std::vector<TAscendingOrder>::size_type _nPos) const { return m_aAscending[_nPos]; }
|
|
|
|
};
|
|
|
|
/**
|
|
The class OKeySet is a refcountable vector which also has a state.
|
|
This state gives information about if the keyset is fixed.
|
|
*/
|
|
class OOO_DLLPUBLIC_DBTOOLS OKeySet : public ORefVector<sal_Int32>
|
|
{
|
|
sal_Bool m_bFrozen;
|
|
public:
|
|
OKeySet()
|
|
: ORefVector<sal_Int32>()
|
|
, m_bFrozen(sal_False){}
|
|
OKeySet(Vector::size_type _nSize)
|
|
: ORefVector<sal_Int32>(_nSize)
|
|
, m_bFrozen(sal_False){}
|
|
|
|
sal_Bool isFrozen() const { return m_bFrozen; }
|
|
void setFrozen(sal_Bool _bFrozen=sal_True) { m_bFrozen = _bFrozen; }
|
|
};
|
|
}
|
|
#endif // CONNECTIVITY_TSORTINDEX_HXX
|