aud.example.BTreeExample Class Reference

example: insert entries More...

Inheritance diagram for aud.example.BTreeExample:

Collaboration diagram for aud.example.BTreeExample:

Classes
class	MyTree

Public Member Functions
	BTreeExample (int m)
	create application instance More...
MyTree	getTree ()
Public Member Functions inherited from aud.util.SingleStepper
	SingleStepper (JFrame parent)
	create new instance More...
	SingleStepper (String caption)
	create new instance More...
JFrame	parent ()
	get parent widget More...
void	halt (String text, int timeout)
	display text and wait for user or timeout More...
void	setTimeout (int timeout)
	Set global timeout. More...
SingleStepper	whereAmI ()
	print location of calling code More...
SingleStepper	showSource ()
	jmp to caller's location in editor (emacs only) More...
void	halt (String text)
	display text and wait for user (or global timeout) More...
void	halt ()
	wait for user More...

Static Public Member Functions
static void	main (String[] args)
	start interactive example More...
static void	main (String[] args)

Protected Member Functions
void	onHalt ()
Protected Member Functions inherited from aud.util.SingleStepper
JComponent	createComponents ()
void	onNext ()
	call on button pressed More...
void	println (String text)
	print to both, text area and stdout More...
void	onHalt ()

Protected Attributes
MyTree	tree_ = null
DotViewer	viewer_
Protected Attributes inherited from aud.util.SingleStepper
JFrame	frame
JTextArea	history
JButton	next
Object	monitor = new Object()
int	timeout = 0

Detailed Description

example: insert entries

See also

aud.BTree

Definition at line 12 of file BTreeExample.java.

Constructor & Destructor Documentation

BTreeExample()

aud.example.BTreeExample.BTreeExample

(

int

m

)

create application instance

Definition at line 30 of file BTreeExample.java.

                             {
    super("aud.example.BTreeExample");
    tree_=new MyTree(m,this);
  }

References aud.example.BTreeExample.tree_.

Member Function Documentation

getTree()

MyTree aud.example.BTreeExample.getTree

(

)

Definition at line 35 of file BTreeExample.java.

{ return tree_; }

References aud.example.BTreeExample.tree_.

Referenced by aud.example.BTreeExample.main().

Here is the caller graph for this function:

main()

static void aud.example.BTreeExample.main ( String[]  args )

static

start interactive example

Reimplemented from aud.util.SingleStepper.

Definition at line 43 of file BTreeExample.java.

                                         {
 
    final String HELP=
      "usage: java aud.example.BTreeExample [M] [pause]\n"+
      "       Reads and insert words from standard input.\n"+
      "       'quit' quits.\n"+
      "\tpause [milliseconds] set pause between animation steps\n"+
      "\t      A value of 0 requires to explicitly push the 'continue'\n"+
      "\t      button. The default value is 0 (or the value of then\n"+
      "\t      environment variable 'AUD_TIMEOUT')!\n";
 
    int m=args.length>0 ? Integer.parseInt(args[0]) : 1;
 
    BTreeExample app=new BTreeExample(m);
 
    if (args.length>1) {
      try {
        app.setTimeout(Integer.parseInt(args[1]));
      } catch (NumberFormatException e) {
        System.err.println(HELP);
        System.exit(-1);
      }
    }
 
    app.halt("EMPTY TREE");
 
    Scanner s=new Scanner(System.in);
    s.useDelimiter("\\s+");
 
    while (s.hasNext()) {
      String key=s.next();
      if (key.compareTo("quit")==0)
        break;
      else {
        app.getTree().insert(key);
        app.halt("inserted '"+key);
      }
    }
    app.halt("QUIT");
    System.exit(0);
  }

References aud.example.BTreeExample.getTree(), aud.util.SingleStepper.halt(), and aud.util.SingleStepper.setTimeout().

Here is the call graph for this function:

onHalt()

void aud.example.BTreeExample.onHalt ( )

protected

Reimplemented from aud.util.SingleStepper.

Definition at line 37 of file BTreeExample.java.

                                    {
    if (tree_!=null)
      viewer_.display(tree_);
  }

References aud.util.DotViewer.display(), aud.example.BTreeExample.tree_, and aud.example.BTreeExample.viewer_.

Here is the call graph for this function:

Member Data Documentation

tree_

MyTree aud.example.BTreeExample.tree_ = null

protected

Definition at line 25 of file BTreeExample.java.

Referenced by aud.example.BTreeExample.BTreeExample(), aud.example.BTreeExample.getTree(), and aud.example.BTreeExample.onHalt().

viewer_

DotViewer aud.example.BTreeExample.viewer_

protected

Initial value:

= DotViewer.displayWindow
    ((String) null,"aud.example.BTreeExample")

Definition at line 26 of file BTreeExample.java.

Referenced by aud.example.BTreeExample.onHalt().

---

The documentation for this class was generated from the following file:

• BTreeExample.java