hep.aida.ref.sql
Class SQLEvaluator

java.lang.Object
  hep.aida.ref.tuple.Evaluator
      hep.aida.ref.sql.SQLEvaluator

All Implemented Interfaces:

IEvaluator

public class SQLEvaluator
extends Evaluator

SQLEvaluator extends Evaluator with SQL backend. Only intersection of SQL and math queries are supported now.

 $Log: SQLEvaluator.java,v $
 Revision 1.9  2007/05/23 16:38:44  hrivnac
 logical connections for Plotter; better UML

 Revision 1.8  2004/05/22 15:12:59  hrivnac
 class id reformated

 Revision 1.7  2004/05/03 19:22:30  hrivnac
 basic support for JAS3

 Revision 1.6  2004/04/14 13:39:46  hrivnac
 1.5 warnings fixed

 Revision 1.5  2004/02/10 14:50:58  hrivnac
 JavaDoc tags completed

 Revision 1.4  2003/11/05 19:46:22  hrivnac
 - FreeHEP 1.2.1
 - JAIDA 3.2.1

 Revision 1.2  2003/10/02 10:00:40  hrivnac
 Cleaning.

 Revision 1.1  2003/09/30 16:46:02  hrivnac
 - Writing test in TestWrite
 - SQLTuple projections supported

 

Version:

$Id: SQLEvaluator.java,v 1.9 2007/05/23 16:38:44 hrivnac Exp $

Author:

J.Hrivnac

Field Summary

Fields inherited from class hep.aida.ref.tuple.Evaluator

tuple

Constructor Summary

SQLEvaluator(String expression)
Create an evaluator from an expression.

Method Summary

Methods inherited from class hep.aida.ref.tuple.Evaluator

evaluateDouble, expression, initialize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SQLEvaluator

public SQLEvaluator(String expression)

Create an evaluator from an expression. Currently, SQL expresion should be used within SQLTuple.

Parameters:

expression - The algebraic (or SQL in case of SQLTuple) expression.