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package prerna.engine.impl.r;

import org.rosuda.REngine.Rserve.RConnection;
import org.rosuda.REngine.Rserve.RserveException;
import prerna.util.Constants;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;


public class RRemoteRserve {

	private static final Logger classLogger = LogManager.getLogger(RRemoteRserve.class);

	private RConnection rcon = null;

	public RConnection getConnection() {

		if(Boolean.parseBoolean(System.getenv("REMOTE_RSERVE"))){
			String server = System.getenv("REMOTE_RSERVE_IP");
			if(server.contains(":")){
				String[] hostInfo = server.split(":", 2);
				try {
					String host = hostInfo[0];
					int port = Integer.parseInt(hostInfo[1]);
					rcon = new RConnection(host, port);
				} catch (RserveException e) {
					// TODO Auto-generated catch block
					classLogger.error(Constants.STACKTRACE, e);
				}
			} else{
				try {
					rcon = new RConnection(server);
				} catch (RserveException e) {
					// TODO Auto-generated catch block
					classLogger.error(Constants.STACKTRACE, e);
				}
			}
		}
		return rcon;

	}
}