fr.cnes.sirius.patrius.propagation

Class SimpleAdditionalStateProvider

java.lang.Object

fr.cnes.sirius.patrius.propagation.SimpleAdditionalStateProvider

All Implemented Interfaces:

AdditionalStateProvider, Serializable

public final class SimpleAdditionalStateProvider
extends Object
implements AdditionalStateProvider

This class is a simple implementation of additionalStateProvider. It is composed of a name, a dates table, and an additional states table associated to the dates. An ISearch index provides a way to find the nearest index table for a given date. It provides an additional state at a date through linear interpolation of the given additional states table.

Since:

3.1

Version:

$Id$

Author:

chabaudp

See Also:

Serialized Form

Concurrency :

immutable

Constructor Summary

Constructors

Constructor and Description
SimpleAdditionalStateProvider(String name, AbsoluteDate[] dateTab, double[][] additionalStatesTab, ISearchIndex algo) Creates an instance of SimpleAdditionalStateProvider from a name describing the additional state double table, a table of dates, and a table of additional states associated to these dates.

Method Summary

Modifier and Type	Method and Description
double[]	getAdditionalState(AbsoluteDate date) Get the additional state.
String	getName() Get the name of the additional state.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleAdditionalStateProvider

public SimpleAdditionalStateProvider(String name,
                                     AbsoluteDate[] dateTab,
                                     double[][] additionalStatesTab,
                                     ISearchIndex algo)

Creates an instance of SimpleAdditionalStateProvider from a name describing the additional state double table, a table of dates, and a table of additional states associated to these dates.

Parameters:

name - describes the additional state double table

dateTab - table of dates

additionalStatesTab - additional states associated to these dates

algo - class to find the nearest date index from a given date in the date table (If null, algo will be, by default, a BinarySearchIndexOpenClosed based on a table of duration since the first date of the dates table)

Method Detail

getName

public String getName()

Get the name of the additional state.

Specified by:

getName in interface AdditionalStateProvider

Returns:

name of the additional state

getAdditionalState

public double[] getAdditionalState(AbsoluteDate date)

Get the additional state.

Specified by:

getAdditionalState in interface AdditionalStateProvider

Parameters:

date - date to which additional state is computed

Returns:

additional state at this date