the begginning

dbcon/execplan/treenodeimpl.cpp

@@ -0,0 +1,100 @@
+/* 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: treenodeimpl.cpp 9210 2013-01-21 14:10:42Z rdempsey $
+*
+*
+***********************************************************************/
+#include <string>
+using namespace std;
+
+#include "bytestream.h"
+#include "treenodeimpl.h"
+#include "objectreader.h"
+
+namespace execplan {
+/**
+ * Constructors/Destructors
+ */
+TreeNodeImpl::TreeNodeImpl()
+{}
+
+TreeNodeImpl::TreeNodeImpl(const string& sql) :
+    fData(sql)
+{}
+
+TreeNodeImpl::~TreeNodeImpl()
+{}
+
+/**
+ * The serialization interface
+ */
+void TreeNodeImpl::serialize(messageqcpp::ByteStream& b) const
+{
+	b << (ObjectReader::id_t) ObjectReader::TREENODEIMPL;
+	b << fData;
+}
+
+void TreeNodeImpl::unserialize(messageqcpp::ByteStream& b)
+{
+	ObjectReader::checkType(b, ObjectReader::TREENODEIMPL);
+	b >> fData;
+}
+	
+const string TreeNodeImpl::toString() const
+{
+	return string(">TreeNodeImpl<");
+}
+
+bool TreeNodeImpl::operator==(const TreeNodeImpl& t) const
+{
+	if (fData == t.fData)
+		return true;
+	return false;
+}
+
+bool TreeNodeImpl::operator==(const TreeNode* t) const
+{
+	const TreeNodeImpl *tni;
+	
+	tni = dynamic_cast<const TreeNodeImpl*>(t);
+	if (tni == NULL)
+		return false;
+	return *this == *tni;
+}
+
+bool TreeNodeImpl::operator!=(const TreeNodeImpl& t) const
+{
+	return !(*this == t);
+}
+
+bool TreeNodeImpl::operator!=(const TreeNode* t) const
+{
+	return !(*this == t);
+}
+
+/**
+ * Friend function
+ */
+ostream& operator<<(ostream& output, const TreeNodeImpl& rhs)
+{
+	output << rhs.toString();
+	return output;
+} 
+
+} // namespace execplan