TopScreenPresenter (Apache HBase 2.5.0 API)

java.lang.Object
- org.apache.hadoop.hbase.hbtop.screen.top.TopScreenPresenter

@InterfaceAudience.Private
public class TopScreenPresenter
extends Object

The presentation logic for the top screen.

Field Summary

Fields
Modifier and Type	Field and Description
`private AtomicBoolean`	`adjustFieldLength`
`private EnumMap<Field,Boolean>`	`fieldDisplayMap`
`private EnumMap<Field,Integer>`	`fieldLengthMap`
`private int`	`horizontalScroll`
`private long`	`iterations`
`private long`	`lastRefreshTimestamp`
`private long`	`numberOfIterations`
`private Paging`	`paging`
`private AtomicLong`	`refreshDelay`
`private int`	`terminalLength`
`private TopScreenModel`	`topScreenModel`
`private TopScreenView`	`topScreenView`

Constructor Summary

Constructors
Constructor and Description
`TopScreenPresenter(TopScreenView topScreenView, long initialRefreshDelay, TopScreenModel topScreenModel, List<Field> initialFields, long numberOfIterations)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`adjustFieldLength()`
`private void`	`adjustFieldLengthIfNeeded()`
`void`	`arrowDown()`
`void`	`arrowLeft()`
`void`	`arrowRight()`
`void`	`arrowUp()`
`void`	`clearFilters()`
`void`	`drillDown()`
`void`	`end()`
`private List<Header>`	`getDisplayedHeaders()`
`private List<Record>`	`getDisplayedRecords()`
`private int`	`getHeaderSize()`
`private Record`	`getSelectedRecord()`
`ScreenView`	`goToFilterDisplayMode(Screen screen, Terminal terminal, int row)`
`ScreenView`	`goToInputModeForFilter(Screen screen, Terminal terminal, int row, boolean ignoreCase)`
`ScreenView`	`goToInputModeForRefreshDelay(Screen screen, Terminal terminal, int row)`
`ScreenView`	`goToMessageMode(Screen screen, Terminal terminal, int row, String message)`
`void`	`home()`
`void`	`init()`
`private void`	`initFieldDisplayMapAndFieldLengthMap(List<Field> initialFields)`
`boolean`	`isIterationFinished()`
`void`	`pageDown()`
`void`	`pageUp()`
`long`	`refresh(boolean force)`
`private void`	`reset()`
`private void`	`switchMode(Mode nextMode)`
`void`	`switchSortOrder()`
`ScreenView`	`transitionToFieldScreen(Screen screen, Terminal terminal)`
`ScreenView`	`transitionToHelpScreen(Screen screen, Terminal terminal)`
`ScreenView`	`transitionToModeScreen(Screen screen, Terminal terminal)`
`private void`	`updateTerminalLengthAndPageSize(TerminalSize terminalSize, Integer pageSize)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

topScreenView

private final TopScreenView topScreenView

refreshDelay
```
private final AtomicLong refreshDelay
```

lastRefreshTimestamp
```
private long lastRefreshTimestamp
```

adjustFieldLength

private final AtomicBoolean adjustFieldLength

topScreenModel

private final TopScreenModel topScreenModel

terminalLength
```
private int terminalLength
```

horizontalScroll
```
private int horizontalScroll
```

paging
```
private final Paging paging
```

fieldDisplayMap

private final EnumMap<Field,Boolean> fieldDisplayMap

fieldLengthMap

private final EnumMap<Field,Integer> fieldLengthMap

numberOfIterations
```
private final long numberOfIterations
```

iterations
```
private long iterations
```

Constructor Detail

TopScreenPresenter

public TopScreenPresenter(TopScreenView topScreenView,
                          long initialRefreshDelay,
                          TopScreenModel topScreenModel,
                          @Nullable
                          List<Field> initialFields,
                          long numberOfIterations)

Method Detail

init
```
public void init()
```

updateTerminalLengthAndPageSize

private void updateTerminalLengthAndPageSize(@Nullable
                                             TerminalSize terminalSize,
                                             @Nullable
                                             Integer pageSize)

refresh
```
public long refresh(boolean force)
```

adjustFieldLength
```
public void adjustFieldLength()
```

adjustFieldLengthIfNeeded

private void adjustFieldLengthIfNeeded()

getDisplayedHeaders

private List<Header> getDisplayedHeaders()

getDisplayedRecords

private List<Record> getDisplayedRecords()

getSelectedRecord
```
private Record getSelectedRecord()
```

arrowUp
```
public void arrowUp()
```

arrowDown
```
public void arrowDown()
```

pageUp
```
public void pageUp()
```

pageDown
```
public void pageDown()
```

arrowLeft
```
public void arrowLeft()
```

arrowRight
```
public void arrowRight()
```

home
```
public void home()
```

end
```
public void end()
```

getHeaderSize
```
private int getHeaderSize()
```

switchSortOrder
```
public void switchSortOrder()
```

transitionToHelpScreen

public ScreenView transitionToHelpScreen(Screen screen,
                                         Terminal terminal)

transitionToModeScreen

public ScreenView transitionToModeScreen(Screen screen,
                                         Terminal terminal)

transitionToFieldScreen

public ScreenView transitionToFieldScreen(Screen screen,
                                          Terminal terminal)

switchMode

private void switchMode(Mode nextMode)

drillDown
```
public void drillDown()
```

reset
```
private void reset()
```

initFieldDisplayMapAndFieldLengthMap

private void initFieldDisplayMapAndFieldLengthMap(@Nullable
                                                  List<Field> initialFields)

goToMessageMode

public ScreenView goToMessageMode(Screen screen,
                                  Terminal terminal,
                                  int row,
                                  String message)

goToInputModeForRefreshDelay

public ScreenView goToInputModeForRefreshDelay(Screen screen,
                                               Terminal terminal,
                                               int row)

goToInputModeForFilter

public ScreenView goToInputModeForFilter(Screen screen,
                                         Terminal terminal,
                                         int row,
                                         boolean ignoreCase)

clearFilters
```
public void clearFilters()
```

goToFilterDisplayMode

public ScreenView goToFilterDisplayMode(Screen screen,
                                        Terminal terminal,
                                        int row)

isIterationFinished
```
public boolean isIterationFinished()
```

Class TopScreenPresenter

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

topScreenView

refreshDelay

lastRefreshTimestamp

adjustFieldLength

topScreenModel

terminalLength

horizontalScroll

paging

fieldDisplayMap

fieldLengthMap

numberOfIterations

iterations

Constructor Detail

TopScreenPresenter

Method Detail

init

updateTerminalLengthAndPageSize

refresh

adjustFieldLength

adjustFieldLengthIfNeeded

getDisplayedHeaders

getDisplayedRecords

getSelectedRecord

arrowUp

arrowDown

pageUp

pageDown

arrowLeft

arrowRight

home

end

getHeaderSize

switchSortOrder

transitionToHelpScreen

transitionToModeScreen

transitionToFieldScreen

switchMode

drillDown

reset

initFieldDisplayMapAndFieldLengthMap

goToMessageMode

goToInputModeForRefreshDelay

goToInputModeForFilter

clearFilters

goToFilterDisplayMode

isIterationFinished