1 files changed, 38 insertions, 0 deletions

diff --git a/src/cache.h b/src/cache.h
index ccc4966..036ceb4 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -100,6 +100,13 @@ namespace Bu
                                 return kId;
                         }
 
+                        void unbind()
+                        {
+                                if( pCache && pData )
+                                        pCache->decRef( kId );
+                                pData = NULL;
+                        }
+
                         Ptr &operator=( const Ptr &rRhs )
                         {
                                 if( pCache && pData )
@@ -186,6 +193,11 @@ namespace Bu
                         return Ptr( this, pData, k );
                 }
 
+                bool has( const keytype &cId )
+                {
+                        return hEnt.has( cId ) || pStore->has( cId );
+                }
+
                 Ptr get( const keytype &cId )
                 {
                         TRACE( cId );
@@ -260,6 +272,32 @@ namespace Bu
                         return pStore->getKeys();
                 }
 
+                /**
+                 * Make sure all currently loaded but not-in-use objects are synced to
+                 * the store.
+                 */
+                void sync()
+                {
+                        TRACE();
+                        int iSynced = 0;
+                        for( typename CidHash::iterator i = hEnt.begin();
+                                 i != hEnt.end(); i++ )
+                        {
+                                if( i.getValue().iRefs == 0 )
+                                {
+                                        pStore->sync(
+                                                i.getValue().pData,
+                                                i.getKey()
+                                                );
+                                        iSynced++;
+                                }
+                        }
+                        if( iSynced > 0 )
+                        {
+                                pStore->sync();
+                        }
+                }
+
         private:
                 void incRef( const keytype &cId )
                 {