1 files changed, 119 insertions, 0 deletions
diff --git a/qlparser/qtupdate.hh b/qlparser/qtupdate.hh
new file mode 100644
index 0000000..429a6e2
--- /dev/null
+++ b/qlparser/qtupdate.hh
@@ -0,0 +1,119 @@
+#ifndef __QTUPDATE_HH__
+#define __QTUPDATE_HH___
+
+#include "qlparser/qtexecute.hh"
+#include "qlparser/qtoncstream.hh"
+#include "qlparser/qtoperation.hh"
+
+#include <iostream>
+
+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community 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, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Rasdaman community 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 rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+*/
+/*************************************************************
+ *
+ *
+ * COMMENTS:
+ *
+ ************************************************************/
+
+//@ManMemo: Module: {\bf qlparser}
+
+/*@Doc:
+
+*/
+
+class QtUpdate : public QtExecute
+{
+  public:
+    /// constructor getting target, domain, and source expressions of the update
+    QtUpdate( QtOperation* initUpdateTarget, QtOperation* initUpdateDomain, QtOperation* initUpdateSource );
+
+    /// virtual destructor
+    virtual ~QtUpdate();
+
+    /// method for evaluating the node
+    virtual int evaluate();
+
+    /// return childs of the node
+    virtual QtNodeList* getChilds( QtChildType flag );
+
+    /// prints the tree 
+    virtual void printTree( int tab, std::ostream& s = std::cout, QtChildType mode = QT_ALL_NODES );
+
+    /// prints the algebraic expression
+    virtual void printAlgebraicExpression( std::ostream& s = std::cout );
+
+    //@Man: Read/Write methods:
+    //@{
+    ///
+    ///
+    void setStreamInput( QtONCStream* newInput );
+    ///
+ 	/// returns updateTarget
+	QtOperation* getUpdateTarget();
+	/// returns updateDomain
+	QtOperation* getUpdateDomain();
+	///returns updateSource
+	QtOperation* getUpdateSource();
+	///returns input
+	QtONCStream* getInput();
+   	//@}
+
+    /// method for identification of nodes
+    inline virtual const QtNodeType getNodeType() const;
+
+    /// method for query rewrite
+    inline virtual void setInput( QtOperation* child, QtOperation* input);
+
+    /// pre optimization
+    //virtual void preOptimize();
+    /**
+       Pre-Optimization step is passed to the input streams.
+    */
+
+    /// type checking
+    virtual void checkType();
+
+  private:
+    /// one input stream
+    QtONCStream* input;
+
+    /// target expression
+    QtOperation* updateTarget;
+
+    /// target domain expression
+    QtOperation* updateDomain;
+
+    /// target expression
+    QtOperation* updateSource;
+
+    /// attribute for identification of nodes
+    static const QtNodeType nodeType;
+};
+
+#include "qlparser/qtupdate.icc"
+
+#endif
+
+
+