WaitCommand.java

public class WaitCommand extends Node
{
    public Parser parser;
    
    public WaitCommand() {}
    
    public WaitCommand(Parser parser)
    {
        this.parser = parser;
    }
           
    public Object eval()
    {
        Integer waitAmount = (Integer) parser.getVariable("interval");
        try
        {
            Thread.sleep(waitAmount.intValue());
        }
        catch (Exception e)
        {
            Util.Writeln("Error in WaitNode.eval() method" + e);
        }
        return waitAmount;
    }        
}