EngineCallBacksDefault.callBackCallBack - Maple Programming Help

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EngineCallBacksDefault.callBackCallBack

default implementation of callBackCallBack

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

String callBackCallBack( Object data, String args ) throws MapleException

Parameters

data

-

arbitrary data that was passed into the Engine constructor

args

-

arguments given to callback

Description

• 

callBackCallBack is a member function of the com.maplesoft.openmaple.EngineCallBacksDefault class.  This class implements the EngineCallBacks interface.

• 

This default implementation raises a MapleException stating that callBackCallBack is not implemented.

Examples

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

    public static void main( String notused[] ) throws MapleException

    {

    String mapleArgs[];

    Engine engine;

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

    engine = new Engine( mapleArgs, new EngineCallBacksDefault(),

        null, null );

    try

    {

        engine.evaluate( "callback( 1,2,3,4 ):" );

    }

    catch ( MapleException me )

    {

        System.out.println( me.getMessage() );

    }

    }

}

Executing this code produces the following output.

Error, callback was not implemented by the application

See Also

ExternalCalling/Java/MapleException

OpenMaple

OpenMaple/Java/Engine

OpenMaple/Java/Engine/Engine

OpenMaple/Java/EngineCallBacks

OpenMaple/Java/EngineCallBacks/callBackCallBack

OpenMaple/Java/EngineCallBacksDefault

 


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