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package org.rosuda.REngine ;
/**
* Exception thrown when an error occurs during eval.
*
* <p>
* This class is a placeholder and should be extended when more information
* can be extracted from R (call stack, etc ... )
* </p>
*/
public class REngineEvalException extends REngineException {
/**
* Value returned by the rniEval native method when the input passed to eval
* is invalid
*/
public static final int INVALID_INPUT = -1 ;
/**
* Value returned by the rniEval native method when an error occured during
* eval (stop, ...)
*/
public static final int ERROR = -2 ;
/**
* Type of eval error
*/
protected int type ;
/**
* Constructor
*
* @param eng associated REngine
* @param message error message
* @param type type of error (ERROR or INVALID_INPUT)
*/
public REngineEvalException( REngine eng, String message, int type ){
super( eng, message );
this.type = type ;
}
/**
* Constructor using ERROR type
*
* @param eng associated REngine
* @param message error message
*/
public REngineEvalException( REngine eng, String message){
this( eng, message, ERROR );
}
/**
* @return the type of error (ERROR or INVALID_INPUT)
*/
public int getType(){
return type ;
}
}
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