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+/*
+* 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>.
+*/
+#ifndef _QTATOMICDATA_HH_
+#define _QTATOMICDATA_HH_
+
+#include "qlparser/qtscalardata.hh"
+#include "raslib/odmgtypes.hh"
+
+/*************************************************************
+ *
+ *
+ * COMMENTS:
+ *
+ ************************************************************/
+
+//@ManMemo: Module: {\bf qlparser}
+
+/*@Doc:
+
+ The class represents an atomic value handled by the query tree.
+
+*/
+
+class QtAtomicData : public QtScalarData
+{
+  public:
+    /// default constructor
+    QtAtomicData();
+
+    /// constructor getting signed integer data
+    QtAtomicData( r_Long value, unsigned short byteLength );
+    /**
+      The value for {\tt byteLength} specifies the type of the constant. 
+
+      \begin{tabular}{lll}
+      1 && OCTET\\
+      2 && SHORT\\
+      4 && LONG\\
+      \end{tabular}
+    */
+    
+    /// constructor getting unsigned integer data
+    QtAtomicData( r_ULong value, unsigned short byteLength );
+    /**
+      The value for {\tt byteLength} specifies the type of the constant. 
+
+      \begin{tabular}{lll}
+      1 && CHAR\\
+      2 && USHORT\\
+      4 && ULONG\\
+      \end{tabular}
+    */
+
+    /// constructor getting boolean data
+    QtAtomicData( bool value );
+
+    /// constructor getting float data
+    QtAtomicData( double value, unsigned short byteLength );
+    /**
+      The value for {\tt byteLength} specifies the type of the constant. 
+
+      \begin{tabular}{lll}
+      4 && FLOAT\\
+      8 && DOUBLE\\
+      \end{tabular}
+    */
+
+    /// constructor getting complex data
+    QtAtomicData(double valRe, double valIm, unsigned short size);
+
+    /// copy constructor
+    QtAtomicData( const QtAtomicData& obj );
+
+    /// destructor
+    virtual ~QtAtomicData();
+ 
+    /// returning unsigned value of an unsigned atomic type if it is one, 0 otherwise
+    r_ULong getUnsignedValue() const;
+
+    /// returning signed value of a signed atomic type if it is one, 0 otherwise
+    r_Long getSignedValue() const;
+
+    /// returning double value if it is one, 0 otherwise
+    double getDoubleValue() const;
+
+    /// print status of the object to the specified stream
+    virtual void printStatus( std::ostream& stream = std::cout ) const;
+};
+
+#include "qlparser/qtatomicdata.icc"
+
+#endif
+
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