Class ViewManager

java.lang.Object

io.opencensus.stats.ViewManager

Direct Known Subclasses:

NoopStats.NoopViewManager, ViewManagerImpl

public abstract class ViewManager
extends Object

Provides facilities to register Views for collecting stats and retrieving stats data as a ViewData.

Since:

0.8

Constructor Summary

Constructors

Constructor	Description
ViewManager()

Method Summary

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

Methods inherited from class Object

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

Constructor Details

ViewManager

public ViewManager()

Method Details

registerView

public abstract void registerView(View view)

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

Parameters:

view - the View to be registered.

Since:

0.8

getView

@Nullable
public abstract ViewData getView(View.Name view)

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

Returns null if the View is not registered.

Parameters:

view - the name of View for the current stats.

Returns:

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

Since:

0.8

getAllExportedViews

public abstract Set<View> getAllExportedViews()

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.

Returns:

all registered views that should be exported.

Since:

0.9