source: fedd/abac-src/atnvis/src/com/algomagic/atn/BatchGraphUpdate.java @ 7c9a0a4

package com.algomagic.atn;

import java.util.*;

public class BatchGraphUpdate {

    private List _updates;

    public BatchGraphUpdate( List updates ) {
        _updates = updates;
    }

    public BatchGraphUpdate( ) {
        _updates = new ArrayList( );
    }

    public void add( ElementAttribute e ) {
        _updates.add( e );
    }

    public boolean isEmpty( ) {
        return _updates.isEmpty( );
    }


    public void apply( ) {
        for( Iterator i = _updates.iterator( ); i.hasNext( ); ) {
            ElementAttribute e = (ElementAttribute)i.next( );
//          System.out.println( e );

            e.apply( );
        } 

//      System.out.println(  );
//      System.out.println(  );


    }


    public void undo( ) {
        for( int i = _updates.size( )-1; i>=0; i-- ) {
            ElementAttribute e = (ElementAttribute)_updates.get(i);
//          System.out.println( e );

            e.undo( );
        } 

//      System.out.println(  );
//      System.out.println(  );

    }


}