org.apache.hadoop.hbase.hbtop.screen

Class AbstractScreenView

java.lang.Object

org.apache.hadoop.hbase.hbtop.screen.AbstractScreenView

All Implemented Interfaces:

ScreenView

Direct Known Subclasses:

FieldScreenView, FilterDisplayModeScreenView, HelpScreenView, InputModeScreenView, MessageModeScreenView, ModeScreenView, TopScreenView

@InterfaceAudience.Private
public abstract class AbstractScreenView
extends Object
implements ScreenView

An abstract class for ScreenView that has the common useful methods and the default implementations for the abstract methods.

Field Summary

Fields

Modifier and Type	Field and Description
private Screen	screen
private Terminal	terminal

Constructor Summary

Constructors

Constructor and Description
AbstractScreenView(Screen screen, Terminal terminal)

Method Summary

Modifier and Type	Method and Description
protected void	cancelTimer()
void	clearTerminal()
protected TerminalSize	doResizeIfNecessary()
protected Screen	getScreen()
protected Terminal	getTerminal()
protected TerminalPrinter	getTerminalPrinter(int startRow)
protected TerminalSize	getTerminalSize()
ScreenView	handleKeyPress(KeyPress keyPress)
ScreenView	handleTimer()
void	hideCursor()
void	init()
void	refreshTerminal()
void	setCursorPosition(int column, int row)
protected void	setTimer(long delay)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

screen

private final Screen screen

terminal

private final Terminal terminal

Constructor Detail

AbstractScreenView

public AbstractScreenView(Screen screen,
                          Terminal terminal)

Method Detail

init

public void init()

Specified by:

init in interface ScreenView

handleKeyPress

public ScreenView handleKeyPress(KeyPress keyPress)

Specified by:

handleKeyPress in interface ScreenView

handleTimer

public ScreenView handleTimer()

Specified by:

handleTimer in interface ScreenView

getScreen

protected Screen getScreen()

getTerminal

protected Terminal getTerminal()

setTimer

protected void setTimer(long delay)

cancelTimer

protected void cancelTimer()

getTerminalPrinter

protected TerminalPrinter getTerminalPrinter(int startRow)

getTerminalSize

protected TerminalSize getTerminalSize()

doResizeIfNecessary

@Nullable
protected TerminalSize doResizeIfNecessary()

clearTerminal

public void clearTerminal()

refreshTerminal

public void refreshTerminal()

hideCursor

public void hideCursor()

setCursorPosition

public void setCursorPosition(int column,
                              int row)