document the swap-on-free idiom usage

Effective C++, item 17

Change-Id: I5c6f20c9631f1ca86b481a56ef08d578a7addbad

7 files changed, 9 insertions, 9 deletions

diff --git a/framework/inc/classes/filtercachedata.hxx b/framework/inc/classes/filtercachedata.hxx
index 499e48f85f01..af9053a233f0 100644
--- a/framework/inc/classes/filtercachedata.hxx
+++ b/framework/inc/classes/filtercachedata.hxx
@@ -337,7 +337,7 @@ class SetNodeHash : public ::boost::unordered_map< OUString                    ,
 
         inline void free()
         {
-            SetNodeHash().swap( *this );
+            SetNodeHash().swap( *this ); // get rid of reserved capacity
             lAddedItems.free  ();
             lChangedItems.free();
             lRemovedItems.free();
@@ -372,7 +372,7 @@ class PerformanceHash   :   public  ::boost::unordered_map<    OUString
 
         inline void free()
         {
-            PerformanceHash().swap( *this );
+            PerformanceHash().swap( *this ); // get rid of reserved capacity
         }
 
         //  normaly a complete string must match our hash key values ...
diff --git a/framework/inc/stdtypes.h b/framework/inc/stdtypes.h
index d814a57eb875..3ff9e0d69170 100644
--- a/framework/inc/stdtypes.h
+++ b/framework/inc/stdtypes.h
@@ -108,7 +108,7 @@ class OUStringList : public ::comphelper::SequenceAsVector< OUString >
         // the only way to free used memory really!
         void free()
         {
-            OUStringList().swap( *this );
+            OUStringList().swap( *this );// get rid of reserved capacity
         }
 };
 
@@ -135,7 +135,7 @@ class BaseHash : public ::boost::unordered_map< OUString                    ,
         // the only way to free used memory really!
         void free()
         {
-            BaseHash().swap( *this );
+            BaseHash().swap( *this );// get rid of reserved capacity
         }
 };
 
diff --git a/framework/inc/uifactory/configurationaccessfactorymanager.hxx b/framework/inc/uifactory/configurationaccessfactorymanager.hxx
index 5d6ad0a76072..b4f9afe7c98b 100644
--- a/framework/inc/uifactory/configurationaccessfactorymanager.hxx
+++ b/framework/inc/uifactory/configurationaccessfactorymanager.hxx
@@ -63,7 +63,7 @@ namespace framework {
         {
             inline void free()
             {
-                FactoryManagerMap().swap( *this );
+                FactoryManagerMap().swap( *this );// get rid of reserved capacity
             }
         };
 
diff --git a/framework/inc/uifactory/factoryconfiguration.hxx b/framework/inc/uifactory/factoryconfiguration.hxx
index 8360f8b09a46..2df76a283503 100644
--- a/framework/inc/uifactory/factoryconfiguration.hxx
+++ b/framework/inc/uifactory/factoryconfiguration.hxx
@@ -80,7 +80,7 @@ private:
     {
         inline void free()
         {
-            MenuControllerMap().swap( *this );
+            MenuControllerMap().swap( *this );// get rid of reserved capacity
         }
     };
 
diff --git a/framework/inc/xml/imagesdocumenthandler.hxx b/framework/inc/xml/imagesdocumenthandler.hxx
index 7659d39cc17a..b984ced00801 100644
--- a/framework/inc/xml/imagesdocumenthandler.hxx
+++ b/framework/inc/xml/imagesdocumenthandler.hxx
@@ -116,7 +116,7 @@ class OReadImagesDocumentHandler : public ::cppu::WeakImplHelper1< ::com::sun::s
             public:
                 inline void free()
                 {
-                    ImageHashMap().swap( *this );
+                    ImageHashMap().swap( *this );// get rid of reserved capacity
                 }
         };
 
diff --git a/framework/inc/xml/statusbardocumenthandler.hxx b/framework/inc/xml/statusbardocumenthandler.hxx
index 88c094ef137b..8242874e1728 100644
--- a/framework/inc/xml/statusbardocumenthandler.hxx
+++ b/framework/inc/xml/statusbardocumenthandler.hxx
@@ -112,7 +112,7 @@ class FWE_DLLPUBLIC OReadStatusBarDocumentHandler :
             public:
                 inline void free()
                 {
-                    StatusBarHashMap().swap( *this );
+                    StatusBarHashMap().swap( *this );// get rid of reserved capacity
                 }
         };
 
diff --git a/framework/inc/xml/toolboxdocumenthandler.hxx b/framework/inc/xml/toolboxdocumenthandler.hxx
index 9eadc337ae01..f1bb2c32226e 100644
--- a/framework/inc/xml/toolboxdocumenthandler.hxx
+++ b/framework/inc/xml/toolboxdocumenthandler.hxx
@@ -117,7 +117,7 @@ class FWE_DLLPUBLIC OReadToolBoxDocumentHandler :
             public:
                 inline void free()
                 {
-                    ToolBoxHashMap().swap( *this );
+                    ToolBoxHashMap().swap( *this );// get rid of reserved capacity
                 }
         };