1 files changed, 111 insertions, 0 deletions
diff --git a/qlparser/qtunaryoperation.hh b/qlparser/qtunaryoperation.hh
new file mode 100644
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+++ b/qlparser/qtunaryoperation.hh
@@ -0,0 +1,111 @@
+#ifndef _QTUNARYOPERATION_
+#define _QTUNARYOPERATION_
+
+#ifndef CPPSTDLIB
+#include <ospace/string.h> // STL<ToolKit>
+#else
+#include <string>
+#endif
+
+#include <stdio.h>
+
+#include "qlparser/qtoperation.hh"
+
+/*
+* 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:
+
+The class serves as superclass for all operation classes taking one
+argument.
+
+*/
+
+class QtUnaryOperation : public QtOperation
+{
+  public:
+    /// default constructor
+    QtUnaryOperation();
+
+    /// constructor getting the node to its operand
+    QtUnaryOperation( QtOperation* input );
+
+    /// virtual destructor
+    virtual ~QtUnaryOperation();
+
+    /// creates a unique name for a common subexpression
+    virtual std::string getSpelling();
+
+    /// simplifies the tree 
+    virtual void simplify();
+
+    /// return childs of the node
+    virtual QtNodeList* getChilds( QtChildType flag );
+
+    /// test if the edge to the parent node is of type mdd or atomic
+    virtual QtAreaType getAreaType();
+
+    /// tests if the two nodes have an equal meaning in the query tree
+    virtual bool equalMeaning( QtNode* node );
+
+    /// method for query rewrite
+    inline virtual void setInput( QtOperation* inputOld, QtOperation* inputNew );
+
+    /// optimizing load access
+    virtual void optimizeLoad( QtTrimList* trimList );
+
+    /**
+      The method passes the given {\tt trimList} list to its input tree.
+    */
+
+    /// debugging method
+    virtual void printTree( int tab, std::ostream& s = std::cout, QtChildType mode = QT_ALL_NODES );
+
+    //@Man: Read/Write methods for the operand
+    //@{
+    ///
+
+      ///
+      inline virtual void setInput( QtOperation* input );
+      ///
+      inline QtOperation* getInput();
+
+    //@}
+
+  protected:
+    /// operation operand
+    QtOperation* input;
+};
+
+#include "qlparser/qtunaryoperation.icc"
+
+#endif
+