From 767b671d1a82c8050b862870af6cd0ab7a6470b9 Mon Sep 17 00:00:00 2001
From: Felipe Garay <fgaray@google.com>
Date: Thu, 22 Feb 2024 15:28:53 -0800
Subject: [PATCH] odb: making imposible for 2+ DFT objects to exist in a block

Signed-off-by: Felipe Garay <fgaray@google.com>
---
 src/odb/include/odb/db.h                |  5 -----
 src/odb/src/db/dbBlock.cpp              | 13 ++++---------
 src/odb/src/db/dbDft.cpp                |  7 +++++++
 src/odb/src/db/dbDft.h                  |  3 +++
 src/odb/test/cpp/scan/TestScanChain.cpp |  2 +-
 5 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/odb/include/odb/db.h b/src/odb/include/odb/db.h
index a421b30ee2b..b91dc140ec9 100644
--- a/src/odb/include/odb/db.h
+++ b/src/odb/include/odb/db.h
@@ -1361,11 +1361,6 @@ class dbBlock : public dbObject
   ///
   dbExtControl* getExtControl();
 
-  ///
-  /// Get the dbDft object for persistent dft structs
-  ///
-  dbDft* createDft();
-
   ///
   /// Get the dbDft object for persistent dft structs
   ///
diff --git a/src/odb/src/db/dbBlock.cpp b/src/odb/src/db/dbBlock.cpp
index acdca1bc2f5..78f72d55445 100644
--- a/src/odb/src/db/dbBlock.cpp
+++ b/src/odb/src/db/dbBlock.cpp
@@ -316,7 +316,10 @@ _dbBlock::_dbBlock(_dbDatabase* db)
   _extControl = new dbExtControl();
 
   _dft_tbl = new dbTable<_dbDft>(
-      db, this, (GetObjTbl_t) &_dbBlock::getObjectTable, dbDftObj);
+      db, this, (GetObjTbl_t) &_dbBlock::getObjectTable, dbDftObj, 4096, 12);
+  _dbDft* dft_ptr = _dft_tbl->create();
+  dft_ptr->initialize();
+  _dft = dft_ptr->getId();
 
   _net_hash.setTable(_net_tbl);
   _inst_hash.setTable(_inst_tbl);
@@ -2239,14 +2242,6 @@ dbExtControl* dbBlock::getExtControl()
   return (block->_extControl);
 }
 
-dbDft* dbBlock::createDft()
-{
-  _dbBlock* block = (_dbBlock*) this;
-  _dbDft* dft = block->_dft_tbl->create();
-  block->_dft = dft->getId();
-  return (dbDft*) dft;
-}
-
 dbDft* dbBlock::getDft() const
 {
   _dbBlock* block = (_dbBlock*) this;
diff --git a/src/odb/src/db/dbDft.cpp b/src/odb/src/db/dbDft.cpp
index e455e98b2b0..22888b929a6 100644
--- a/src/odb/src/db/dbDft.cpp
+++ b/src/odb/src/db/dbDft.cpp
@@ -135,6 +135,13 @@ _dbDft::~_dbDft()
   delete scan_chains_;
 }
 
+// User Code Begin PrivateMethods
+void _dbDft::initialize()
+{
+  scan_inserted_ = false;
+}
+// User Code End PrivateMethods
+
 ////////////////////////////////////////////////////////////////////
 //
 // dbDft - Methods
diff --git a/src/odb/src/db/dbDft.h b/src/odb/src/db/dbDft.h
index 5942a0186ea..8fb3d3481c3 100644
--- a/src/odb/src/db/dbDft.h
+++ b/src/odb/src/db/dbDft.h
@@ -61,6 +61,9 @@ class _dbDft : public _dbObject
   void differences(dbDiff& diff, const char* field, const _dbDft& rhs) const;
   void out(dbDiff& diff, char side, const char* field) const;
   dbObjectTable* getObjectTable(dbObjectType type);
+  // User Code Begin Methods
+  void initialize();
+  // User Code End Methods
 
   bool scan_inserted_;
 
diff --git a/src/odb/test/cpp/scan/TestScanChain.cpp b/src/odb/test/cpp/scan/TestScanChain.cpp
index f6455d67a00..67fee5b0443 100644
--- a/src/odb/test/cpp/scan/TestScanChain.cpp
+++ b/src/odb/test/cpp/scan/TestScanChain.cpp
@@ -71,7 +71,7 @@ class TestScanChain : public testing::Test
     db_ = create2LevetDbWithBTerms();
     block_ = db_->getChip()->getBlock();
     tmp_path_ = testTmpPath("results", "TestScanChain");
-    dft_ = block_->createDft();
+    dft_ = block_->getDft();
 
     std::vector<std::string> instances_names = {"i1", "i2", "i3"};