| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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 |