source: fedd/abac-src/atnvis/src/com/algomagic/atn/BatchUpdate.java @ 0b4e272

package com.algomagic.atn;

import java.util.*;

public class BatchUpdate {

    private List _updates;

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

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

    public void addElementAttribute( 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( );
            e.apply( );
        } 
    }


    public void undo( ) {
        for( Iterator i = _updates.iterator( ); i.hasNext( ); ) {
            ElementAttribute e = (ElementAttribute)i.next( );
            e.undo( );
        } 
    }


}