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package org.rosuda.REngine;
/** interface defining delegate methods used by {@link REngine} to forward output callbacks from R. */
public interface REngineOutputInterface {
/** called when R prints output to the console.
* @param eng calling engine
* @param text text to display in the console
* @param oType output type (0=regular, 1=error/warning)
*/
public void RWriteConsole(REngine eng, String text, int oType);
/** called when R wants to show a warning/error message box (not console-related).
* @param eng calling engine
* @param text text to display in the message
*/
public void RShowMessage(REngine eng, String text);
/** called by R to flush (display) any pending console output.
* @param eng calling engine */
public void RFlushConsole(REngine eng);
}
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