MetricProducerManager

java.lang.Object
- io.opencensus.metrics.export.MetricProducerManager

Direct Known Subclasses:

MetricProducerManager.NoopMetricProducerManager, MetricProducerManagerImpl
```
@ExperimentalApi
@ThreadSafe
public abstract class MetricProducerManager
extends java.lang.Object
```
Keeps a set of MetricProducer that is used by exporters to determine the metrics that need to be exported.

Since:

0.17

Nested Class Summary

Nested Classes
Modifier and Type Class Description

private static class MetricProducerManager.NoopMetricProducerManager

Constructor Summary

Constructors
Constructor Description

MetricProducerManager()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract void`	`add(MetricProducer metricProducer)`	Adds the `MetricProducer` to the manager if it is not already present.
`abstract java.util.Set<MetricProducer>`	`getAllMetricProducer()`	Returns all registered `MetricProducer`s that should be exported.
`(package private) static MetricProducerManager`	`newNoopMetricProducerManager()`	Returns a no-op implementation for `MetricProducerManager`.
`abstract void`	`remove(MetricProducer metricProducer)`	Removes the `MetricProducer` to the manager if it is present.

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

- Constructor Detail
  - MetricProducerManager
```
public MetricProducerManager()
```
- Method Detail
  - add
```
public abstract void add(MetricProducer metricProducer)
```
    Adds the MetricProducer to the manager if it is not already present.
    
    Parameters:
    
    metricProducer - the MetricProducer to be added to the manager.
    
    Since:
    
    0.17
  - remove
```
public abstract void remove(MetricProducer metricProducer)
```
    Removes the MetricProducer to the manager if it is present.
    
    Parameters:
    
    metricProducer - the MetricProducer to be removed from the manager.
    
    Since:
    
    0.17
  - getAllMetricProducer
```
public abstract java.util.Set<MetricProducer> getAllMetricProducer()
```
    Returns all registered MetricProducers that should be exported.
    This method should be used by any metrics exporter that automatically exports data for MetricProducer registered with the MetricProducerManager.
    
    Returns:
    
    all registered MetricProducers that should be exported.
    
    Since:
    
    0.17
  - newNoopMetricProducerManager
```
static MetricProducerManager newNoopMetricProducerManager()
```
    Returns a no-op implementation for MetricProducerManager.
    
    Returns:
    
    a no-op implementation for MetricProducerManager.