Package io.opencensus.stats

Class NoopStats.NoopViewManager

java.lang.Object

io.opencensus.stats.ViewManager

io.opencensus.stats.NoopStats.NoopViewManager

Enclosing class:

NoopStats

@ThreadSafe
private static final class NoopStats.NoopViewManager
extends ViewManager

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Set<View>	exportedViews
private java.util.Map<View.Name,View>	registeredViews
private static Timestamp	ZERO_TIMESTAMP

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NoopViewManager()

Method Summary

Modifier and Type	Method	Description
private static java.util.Set<View>	filterExportedViews(java.util.Collection<View> allViews)
java.util.Set<View>	getAllExportedViews()	Returns all registered views that should be exported.
ViewData	getView(View.Name name)	Returns the current stats data, ViewData, associated with the given view name.
void	registerView(View newView)	Pull model for stats.

Methods inherited from class java.lang.Object

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

Field Detail

ZERO_TIMESTAMP

private static final Timestamp ZERO_TIMESTAMP

registeredViews

private final java.util.Map<View.Name,View> registeredViews

exportedViews

@Nullable
private volatile java.util.Set<View> exportedViews

Constructor Detail

NoopViewManager

private NoopViewManager()

Method Detail

registerView

public void registerView(View newView)

Description copied from class: ViewManager

Pull model for stats. Registers a View that will collect data to be accessed via ViewManager.getView(View.Name).

Specified by:

registerView in class ViewManager

Parameters:

newView - the View to be registered.

getView

@Nullable
public ViewData getView(View.Name name)

Description copied from class: ViewManager

Returns the current stats data, ViewData, associated with the given view name.

Returns null if the View is not registered.

Specified by:

getView in class ViewManager

Parameters:

name - the name of View for the current stats.

Returns:

ViewData for the View, or null if the View is not registered.

getAllExportedViews

public java.util.Set<View> getAllExportedViews()

Description copied from class: ViewManager

Returns all registered views that should be exported.

This method should be used by any stats exporter that automatically exports data for views registered with the ViewManager.

Specified by:

getAllExportedViews in class ViewManager

Returns:

all registered views that should be exported.

filterExportedViews

private static java.util.Set<View> filterExportedViews(java.util.Collection<View> allViews)