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   package junit.quilt.cover.generic;
   
   import org.apache.commons.graph.*;
   import org.apache.bcel.generic.*;
   import junit.quilt.exception.InvalidTransitionException;
   
   public class FlowControlEdge
     implements Edge
   {
    private BlockVertex source = null;
    private BlockVertex target = null;
    private int weight = 1;
    
    public FlowControlEdge() {
    }
    
      public FlowControlEdge(BlockVertex source,
  			   BlockVertex target) {
        this.source = source;
        this.target = target;
      }
    
    public FlowControlEdge(int weight,
  			 BlockVertex source,
  			 BlockVertex target) {
      this.weight = weight;
      this.source = source;
      this.target = target;
    }
    
    public void setSource( BlockVertex source ) {
      this.source = source;
    }
    
    public void setTarget( BlockVertex target ) {
      this.target = target;
    }
  
    public BlockVertex getSource() {
      return source;
    }
    
    public BlockVertex getTarget() {
      return target;
    }
    
    public void connect( MethodGen method,
  		       InstructionList il,
  		       InstructionHandle source,
  		       InstructionHandle target )
      throws InvalidTransitionException
    {
      throw new InvalidTransitionException("Connect not implemented.");
    }
  }