fr.ifremer.isisfish.simulator
Class SimulationVariable

java.lang.Object
  fr.ifremer.isisfish.simulator.SimulationVariable

public class SimulationVariable
extends Object

Object containing cached variable value for a specific entity.

Since:

4.1.0.0 Last update : $Date: 2012-04-03 15:31:36 +0200 (Tue, 03 Apr 2012) $ By : $Author: echatellier $

Version:

$Revision: 3671 $

Author:

chatellier

Field Summary

protected SimulationContext	simulationContext Simulation context (to get db).
protected org.nuiton.topia.persistence.TopiaEntity	topiaEntity Managed entity id.
protected Map<String,Variable>	variablesCache Variable name > variable entity.

Constructor Summary

SimulationVariable(SimulationContext simulationContext, org.nuiton.topia.persistence.TopiaEntity topiaEntity)

Method Summary

double	eval(String name) Eval current variable equation.
protected double	eval(Variable v) Eval current variable equation.
double	getAsDouble(String name) Return variable value as double.
org.nuiton.math.matrix.MatrixND	getAsMatrix(String name) Return variable value as matrix.
protected Variable	getVariableEntity(String name) Return variable entity from cache or database.
void	set(String name, Object value) Set variable value.

Methods inherited from class java.lang.Object

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

Field Detail

simulationContext

protected SimulationContext simulationContext

Simulation context (to get db).

topiaEntity

protected org.nuiton.topia.persistence.TopiaEntity topiaEntity

Managed entity id.

variablesCache

protected Map<String,Variable> variablesCache

Variable name > variable entity.

Constructor Detail

SimulationVariable

public SimulationVariable(SimulationContext simulationContext,
                          org.nuiton.topia.persistence.TopiaEntity topiaEntity)

Method Detail

getVariableEntity

protected Variable getVariableEntity(String name)
                              throws org.nuiton.topia.TopiaException

Return variable entity from cache or database.

Parameters:

name - variable name to get

Returns:

variable entity

Throws:

org.nuiton.topia.TopiaException - if can't restore variable from db

getAsDouble

public double getAsDouble(String name)
                   throws org.nuiton.topia.TopiaException

Return variable value as double.

Parameters:

name - variable name

Returns:

value as double

Throws:

org.nuiton.topia.TopiaException - if can't restore variable from db

getAsMatrix

public org.nuiton.math.matrix.MatrixND getAsMatrix(String name)
                                            throws org.nuiton.topia.TopiaException

Return variable value as matrix.

Parameters:

name - variable name

Returns:

value as matrix

Throws:

org.nuiton.topia.TopiaException - if can't restore variable from db

set

public void set(String name,
                Object value)
         throws org.nuiton.topia.TopiaException

Set variable value.

Parameters:

name - variable name

value - new value

Throws:

org.nuiton.topia.TopiaException - if can't restore variable from db

eval

public double eval(String name)
            throws org.nuiton.topia.TopiaException

Eval current variable equation.

Parameters:

name - variable name

Returns:

equation result

Throws:

org.nuiton.topia.TopiaException - if can't restore variable from db

eval

protected double eval(Variable v)

Eval current variable equation.

Parameters:

v - variable

Returns:

equation result