Algebraic.isDisposed
checks to see if the Algebraic object has been disposed
Calling Sequence
Description
Examples
boolean isDisposed() throws MapleException
The isDisposed function returns true if the current Algebraic object had its dispose method called, otherwise it returns false.
If the isDisposed function returns true, it is an error to attempt to call any member function of the Algebraic object except for isDisposed.
import com.maplesoft.openmaple.*;
import com.maplesoft.externalcall.MapleException;
class Example
{
public static void main( String notused[] ) throws MapleException
String[] mapleArgs = { "java" };
Engine engine = new Engine( mapleArgs, new EngineCallBacksDefault(), null, null );
Algebraic a1 = engine.evaluate( "Array( 1..10^6 ):" );
if ( a1.isDisposed() )
System.out.println( "Disposed" );
}
else
System.out.println( "Not Disposed" );
a1.dispose();
Executing this code should produce the following output.
Not Disposed
Disposed
See Also
ExternalCalling/Java/MapleException
OpenMaple
OpenMaple/Java/Algebraic
OpenMaple/Java/Algebraic/dispose
OpenMaple/Java/API
OpenMaple/Java/Engine/evaluate
OpenMaple/Java/memory
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