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--- a/src/DIF/FA/FAITable.h
+++ b/src/DIF/FA/FAITable.h
@@ -25,6 +25,9 @@
 typedef TFAITable::iterator TFTIter;
 typedef TFAITable::const_iterator TFTConstIter;
 
+//Statistic collextion
+extern const char* SIG_STAT_FT_SIZE;
+
 class FAITable : public cSimpleModule
 {
   public:
@@ -38,13 +41,19 @@
     FAITableEntry* findEntryByDstNeighborAndFwd(const APN& apname);
     FAITableEntry* findEntryBySrcAddressAndFwd(const APN& apname);
     FAITableEntry* findEntryByFai(FAIBase* fai);
+    FAITableEntry* findEntryByInvokeId(long invId);
     void setFaiToFlow(FAIBase* fai, Flow* flow);
-    void changeAllocStatus(Flow* flow, FAITableEntry::AllocateStatus status);
-    void changeAllocStatus(FAIBase* fai, FAITableEntry::AllocateStatus status);
+    void changeAllocStatus(Flow* flow, FAITableEntry::EAllocateStatus status);
+    void changeAllocStatus(FAIBase* fai, FAITableEntry::EAllocateStatus status);
+
+    void updateDisplayString();
 
   protected:
     virtual void initialize();
+    void initSignalsAndListeners();
     virtual void handleMessage(cMessage *msg);
+
+    simsignal_t sigStatFTSize;
 
   private:
     TFAITable FaiTable;