remove some manual ref-counting

triggered when I noticed a class doing acquire() in the constructor and
then release() in the destructor.

found mostly by
   git grep -n -B5 -e '->release()'

Change-Id: Ie1abeaed75c1f861df185e3bde680272dbadc97f
Reviewed-on: https://gerrit.libreoffice.org/25363
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

5 files changed, 18 insertions, 27 deletions

diff --git a/connectivity/source/drivers/dbase/DIndexIter.cxx b/connectivity/source/drivers/dbase/DIndexIter.cxx
index 3c0318b4c36f..3f072f8172d1 100644
--- a/connectivity/source/drivers/dbase/DIndexIter.cxx
+++ b/connectivity/source/drivers/dbase/DIndexIter.cxx
@@ -30,7 +30,6 @@ using namespace connectivity::file;
 
 OIndexIterator::~OIndexIterator()
 {
-    m_pIndex->release();
 }
 
 
@@ -51,7 +50,7 @@ sal_uInt32 OIndexIterator::Find(bool bFirst)
 
     if (bFirst)
     {
-        m_aRoot = m_pIndex->getRoot();
+        m_aRoot = m_xIndex->getRoot();
         m_aCurLeaf.Clear();
     }
 
@@ -62,7 +61,7 @@ sal_uInt32 OIndexIterator::Find(bool bFirst)
         {
             ONDXPage* pPage = m_aRoot;
             while (pPage && !pPage->IsLeaf())
-                pPage = pPage->GetChild(m_pIndex);
+                pPage = pPage->GetChild(m_xIndex.get());
 
             m_aCurLeaf = pPage;
             m_nCurNode = NODE_NOTFOUND;
@@ -108,8 +107,8 @@ ONDXKey* OIndexIterator::GetFirstKey(ONDXPage* pPage, const OOperand& rKey)
     if (!pPage->IsLeaf())
     {
         // descend further
-        ONDXPagePtr aPage = (i==0) ? pPage->GetChild(m_pIndex)
-                                     : ((*pPage)[i-1]).GetChild(m_pIndex, pPage);
+        ONDXPagePtr aPage = (i==0) ? pPage->GetChild(m_xIndex.get())
+                                     : ((*pPage)[i-1]).GetChild(m_xIndex.get(), pPage);
         pFoundKey = aPage.Is() ? GetFirstKey(aPage, rKey) : nullptr;
     }
     else if (i == pPage->Count())
@@ -144,7 +143,7 @@ sal_uInt32 OIndexIterator::GetCompare(bool bFirst)
             case SQLFilterOperator::LESS:
             case SQLFilterOperator::LESS_EQUAL:
                 while (pPage && !pPage->IsLeaf())
-                    pPage = pPage->GetChild(m_pIndex);
+                    pPage = pPage->GetChild(m_xIndex.get());
 
                 m_aCurLeaf = pPage;
                 m_nCurNode = NODE_NOTFOUND;
@@ -206,7 +205,7 @@ sal_uInt32 OIndexIterator::GetLike(bool bFirst)
         ONDXPage* pPage = m_aRoot;
 
         while (pPage && !pPage->IsLeaf())
-            pPage = pPage->GetChild(m_pIndex);
+            pPage = pPage->GetChild(m_xIndex.get());
 
         m_aCurLeaf = pPage;
         m_nCurNode = NODE_NOTFOUND;
@@ -225,7 +224,7 @@ sal_uInt32 OIndexIterator::GetNull(bool bFirst)
     {
         ONDXPage* pPage = m_aRoot;
         while (pPage && !pPage->IsLeaf())
-            pPage = pPage->GetChild(m_pIndex);
+            pPage = pPage->GetChild(m_xIndex.get());
 
         m_aCurLeaf = pPage;
         m_nCurNode = NODE_NOTFOUND;
@@ -274,7 +273,7 @@ ONDXKey* OIndexIterator::GetNextKey()
                 sal_uInt16 nPos = pParentPage->Search(pPage);
                 if (nPos != pParentPage->Count() - 1)
                 {   // page found
-                    pPage = (*pParentPage)[nPos+1].GetChild(m_pIndex,pParentPage);
+                    pPage = (*pParentPage)[nPos+1].GetChild(m_xIndex.get(),pParentPage);
                     break;
                 }
             }
@@ -283,7 +282,7 @@ ONDXKey* OIndexIterator::GetNextKey()
 
         // now go on with leaf
         while (pPage && !pPage->IsLeaf())
-            pPage = pPage->GetChild(m_pIndex);
+            pPage = pPage->GetChild(m_xIndex.get());
 
         m_aCurLeaf = pPage;
         m_nCurNode = 0;
diff --git a/connectivity/source/drivers/mork/MConnection.cxx b/connectivity/source/drivers/mork/MConnection.cxx
index 633f84e3011f..84722b594564 100644
--- a/connectivity/source/drivers/mork/MConnection.cxx
+++ b/connectivity/source/drivers/mork/MConnection.cxx
@@ -40,10 +40,9 @@ static const int defaultScope = 0x80;
 
 OConnection::OConnection(MorkDriver* _pDriver)
     :OSubComponent<OConnection, OConnection_BASE>(static_cast<cppu::OWeakObject*>(_pDriver), this)
-    ,m_pDriver(_pDriver)
+    ,m_xDriver(_pDriver)
     ,m_aColumnAlias( _pDriver->getFactory() )
 {
-    m_pDriver->acquire();
     m_pBook = new MorkParser();
     m_pHistory = new MorkParser();
 }
@@ -52,8 +51,6 @@ OConnection::~OConnection()
 {
     if(!isClosed())
         close();
-    m_pDriver->release();
-    m_pDriver = nullptr;
     delete m_pBook;
     delete m_pHistory;
 }
@@ -112,7 +109,7 @@ void OConnection::construct(const OUString& url,const Sequence< PropertyValue >&
     // production?
     if (unittestIndex == -1)
     {
-        OUString path = m_pDriver->getProfilePath();
+        OUString path = m_xDriver->getProfilePath();
         SAL_INFO("connectivity.mork", "ProfilePath: " << path);
         abook = path + "/abook.mab";
         history = path + "/history.mab";
diff --git a/connectivity/source/drivers/mork/MConnection.hxx b/connectivity/source/drivers/mork/MConnection.hxx
index 3654b6926085..e573d057aafd 100644
--- a/connectivity/source/drivers/mork/MConnection.hxx
+++ b/connectivity/source/drivers/mork/MConnection.hxx
@@ -37,7 +37,7 @@ namespace connectivity
 
             // Data attributes
 
-            MorkDriver*                             m_pDriver;      //  Pointer to the owning
+            css::uno::Reference<MorkDriver> m_xDriver;              //  Pointer to the owning
                                                                     //  driver object
             OColumnAlias    m_aColumnAlias;
             // Mork Parser (abook)
@@ -52,7 +52,7 @@ namespace connectivity
             explicit OConnection(MorkDriver* const driver);
             virtual ~OConnection();
 
-            MorkDriver* getDriver() {return m_pDriver;};
+            const css::uno::Reference<MorkDriver>& getDriver() {return m_xDriver;};
             MorkParser* getMorkParser(const OString& t) {return t == "CollectedAddressBook" ? m_pHistory : m_pBook;};
 
             // OComponentHelper
diff --git a/connectivity/source/drivers/postgresql/pq_connection.cxx b/connectivity/source/drivers/postgresql/pq_connection.cxx
index ebe1aaac52f2..214f08c47b7d 100644
--- a/connectivity/source/drivers/postgresql/pq_connection.cxx
+++ b/connectivity/source/drivers/postgresql/pq_connection.cxx
@@ -96,28 +96,24 @@ namespace pq_sdbc_driver
 // Helper class for statement lifetime management
 class ClosableReference : public cppu::WeakImplHelper< com::sun::star::uno::XReference >
 {
-    Connection *m_conn;
+    css::uno::Reference<Connection> m_conn;
     ::rtl::ByteSequence m_id;
 public:
     ClosableReference( const ::rtl::ByteSequence & id , Connection *that )
       :  m_conn( that ), m_id( id )
     {
-        that->acquire();
     }
 
     virtual ~ClosableReference()
     {
-        if( m_conn )
-            m_conn->release();
     }
 
     virtual void SAL_CALL dispose() throw (std::exception) override
     {
-        if( m_conn )
+        if( m_conn.is() )
         {
             m_conn->removeFromWeakMap(m_id);
-            m_conn->release();
-            m_conn = nullptr;
+            m_conn.clear();
         }
     }
 };
diff --git a/connectivity/source/inc/dbase/DIndexIter.hxx b/connectivity/source/inc/dbase/DIndexIter.hxx
index 0b70f96e0c25..7b950fdd0923 100644
--- a/connectivity/source/inc/dbase/DIndexIter.hxx
+++ b/connectivity/source/inc/dbase/DIndexIter.hxx
@@ -36,7 +36,7 @@ namespace connectivity
         protected:
             file::OBoolOperator*    m_pOperator;
             const file::OOperand*   m_pOperand;
-            ODbaseIndex*            m_pIndex;
+            css::uno::Reference<ODbaseIndex> m_xIndex;
             ONDXPagePtr             m_aRoot,
                                     m_aCurLeaf;
             sal_uInt16              m_nCurNode;
@@ -57,10 +57,9 @@ namespace connectivity
                             const file::OOperand* pOper)
                 :m_pOperator(pOp)
                 ,m_pOperand(pOper)
-                ,m_pIndex(pInd)
+                ,m_xIndex(pInd)
                 ,m_nCurNode(NODE_NOTFOUND)
             {
-                pInd->acquire();
             }
 
             virtual ~OIndexIterator();