the begginning

versioning/BRM/resourcenode.cpp

@@ -0,0 +1,93 @@
+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; version 2 of
+   the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+/*****************************************************************************
+ * $Id: resourcenode.cpp 1823 2013-01-21 14:13:09Z rdempsey $
+ *
+ ****************************************************************************/
+
+#include "transactionnode.h"
+#define RESOURCENODE_DLLEXPORT
+#include "resourcenode.h"
+#undef RESOURCENODE_DLLEXPORT
+
+using namespace std;
+
+namespace BRM
+{
+
+ResourceNode::ResourceNode() : _lbid(0)
+{
+}
+
+ResourceNode::ResourceNode(const ResourceNode &n) : _lbid(n._lbid)
+{
+}
+
+ResourceNode::ResourceNode(LBID_t s) : _lbid(s)
+{
+}
+
+ResourceNode::~ResourceNode()
+{
+}
+
+ResourceNode & ResourceNode::operator=(const ResourceNode &n)
+{
+	static_cast<RGNode &>(*this) = static_cast<const RGNode &>(n);
+	_lbid = n._lbid;
+	return *this;
+}
+
+bool ResourceNode::operator==(const ResourceNode &n) const
+{
+	return (_lbid == n._lbid);
+}
+
+bool ResourceNode::operator==(LBID_t l) const
+{
+	return (_lbid == l);
+}
+
+bool ResourceNode::operator<(const ResourceNode &n) const
+{
+	return (_lbid < n._lbid);
+}
+
+LBID_t ResourceNode::lbid() const
+{
+	return _lbid;
+}
+
+void ResourceNode::wakeAndDetach()
+{
+	TransactionNode *txn;
+	set<RGNode *>::iterator sit;
+	set<RGNode *>::iterator dummy_sit;
+
+	for (sit = in.begin(); sit != in.end(); ) {
+		txn = dynamic_cast<TransactionNode *>(*sit);
+		txn->wake();
+		dummy_sit = ++sit;
+		removeInEdge(txn);
+		sit = dummy_sit;
+	}
+	in.clear();
+}
+
+}
+