Package io.opencensus.implcore.stats

Class StatsComponentImplBase

java.lang.Object

io.opencensus.stats.StatsComponent

io.opencensus.implcore.stats.StatsComponentImplBase

Direct Known Subclasses:

StatsComponentImpl, StatsComponentImplLite

public class StatsComponentImplBase
extends StatsComponent

Base implementation of StatsComponent.

Field Summary

Fields

Modifier and Type	Field	Description
private CurrentState	currentState
private static CurrentState.State	DEFAULT_STATE
private StatsRecorderImpl	statsRecorder
private ViewManagerImpl	viewManager

Constructor Summary

Constructors

Constructor	Description
StatsComponentImplBase(EventQueue queue, Clock clock)	Creates a new StatsComponentImplBase.

Method Summary

Modifier and Type	Method	Description
StatsCollectionState	getState()	Returns the current StatsCollectionState.
StatsRecorderImpl	getStatsRecorder()	Returns the default StatsRecorder.
ViewManagerImpl	getViewManager()	Returns the default ViewManager.
void	setState(StatsCollectionState newState)	Sets the current StatsCollectionState.
private static StatsCollectionState	stateToStatsState(CurrentState.State state)
private static CurrentState.State	statsStateToState(StatsCollectionState statsCollectionState)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_STATE

private static final CurrentState.State DEFAULT_STATE

currentState

private final CurrentState currentState

viewManager

private final ViewManagerImpl viewManager

statsRecorder

private final StatsRecorderImpl statsRecorder

Constructor Detail

StatsComponentImplBase

public StatsComponentImplBase(EventQueue queue,
                              Clock clock)

Creates a new StatsComponentImplBase.

Parameters:

queue - the queue implementation.

clock - the clock to use when recording stats.

Method Detail

getViewManager

public ViewManagerImpl getViewManager()

Description copied from class: StatsComponent

Returns the default ViewManager.

Specified by:

getViewManager in class StatsComponent

getStatsRecorder

public StatsRecorderImpl getStatsRecorder()

Description copied from class: StatsComponent

Returns the default StatsRecorder.

Specified by:

getStatsRecorder in class StatsComponent

getState

public StatsCollectionState getState()

Description copied from class: StatsComponent

Returns the current StatsCollectionState.

When no implementation is available, getState always returns StatsCollectionState.DISABLED.

Once StatsComponent.getState() is called, subsequent calls to StatsComponent.setState(StatsCollectionState) will throw an IllegalStateException.

Specified by:

getState in class StatsComponent

Returns:

the current StatsCollectionState.

setState

public void setState(StatsCollectionState newState)

Description copied from class: StatsComponent

Sets the current StatsCollectionState.

When no implementation is available, setState does not change the state.

If state is set to StatsCollectionState.DISABLED, all stats that are previously recorded will be cleared.

Specified by:

setState in class StatsComponent

Parameters:

newState - the new StatsCollectionState.

statsStateToState

private static CurrentState.State statsStateToState(StatsCollectionState statsCollectionState)

stateToStatsState

private static StatsCollectionState stateToStatsState(CurrentState.State state)