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Algebraic.isStop - check if the current Algebraic represents a Maple stop expression
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Calling Sequence
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boolean isStop() throws MapleException
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Description
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The isStop function returns true if the current Algebraic object represents a Maple stop expression.
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A stop expression is generated when quit, stop or done is executed by the Maple session. Usually it is used to indicate that the Maple session should be terminated.
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Examples
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import com.maplesoft.openmaple.*;
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import com.maplesoft.externalcall.MapleException;
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class Example
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{
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public static void main( String notused[] ) throws MapleException
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{
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String mapleArgs[];
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Engine engine;
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Algebraic a1, a2;
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mapleArgs = new String[1];
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mapleArgs[0] = "java";
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engine = new Engine( mapleArgs, new EngineCallBacksDefault(),
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null, null );
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a1 = engine.evaluate( "1:" );
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if ( a1.isStop() )
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{
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System.out.println( "Stop" );
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}
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else
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{
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System.out.println( "Not Stop" );
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}
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a1 = engine.evaluate( "quit:" );
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if ( a1.isStop() )
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{
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System.out.println( "Stop" );
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}
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else
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{
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System.out.println( "Not Stop" );
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}
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}
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}
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Executing this code should produce the following output.
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