code: package gr.uom.java.ast.decomposition.cfg;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import gr.uom.java.ast.decomposition.AbstractStatement;
  
  public class CFGExitNode extends CFGNode {
  	private PlainVariable returnedVariable;
  	
  	public CFGExitNode(AbstractStatement statement) {
  		super(statement);
  		List<PlainVariable> usedVariables = new ArrayList<PlainVariable>(statement.getUsedLocalVariables());
  		List<PlainVariable> usedFields = new ArrayList<PlainVariable>(statement.getUsedFieldsThroughThisReference());
  		if(usedVariables.size() == 1 && usedFields.size() == 0) {
  			returnedVariable = usedVariables.get(0);
  		}
  		if(usedVariables.size() == 0 && usedFields.size() == 1) {
  			returnedVariable = usedFields.get(0);
  		}
  	}
  
  	public PlainVariable getReturnedVariable() {
  		return returnedVariable;
  	}
  }
  