QueueMetricProducer

java.lang.Object
- io.opencensus.metrics.export.MetricProducer
- - io.opencensus.exporter.metrics.util.QueueMetricProducer

```
public final class QueueMetricProducer
extends MetricProducer
```
Wrapper of MetricProducer which allows metrics to be pushed and buffered.

Since:

0.20

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class QueueMetricProducer.Options
Options for QueueMetricProducer.

Field Summary

Fields
Modifier and Type Field Description

private java.util.Queue<Metric> bufferedMetrics

private static int DEFAULT_BUFFER_SIZE

private static java.lang.Object monitor

Constructor Summary

Constructors
Modifier Constructor Description

private QueueMetricProducer(int bufferSize)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static QueueMetricProducer`	`create(QueueMetricProducer.Options options)`	Creates a new `QueueMetricProducer`.
`java.util.Collection<Metric>`	`getMetrics()`	Returns a collection of produced `Metric`s to be exported.
`void`	`pushMetrics(java.util.Collection<Metric> metrics)`	Pushes `Metric`s to this `QueueMetricProducer`.

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

- Field Detail
  - monitor
```
private static final java.lang.Object monitor
```
  - DEFAULT_BUFFER_SIZE
```
private static final int DEFAULT_BUFFER_SIZE
```
    See Also:
    
    Constant Field Values
  - bufferedMetrics
```
private final java.util.Queue<Metric> bufferedMetrics
```
- Constructor Detail
  - QueueMetricProducer
```
private QueueMetricProducer(int bufferSize)
```
- Method Detail
  - create
```
public static QueueMetricProducer create(QueueMetricProducer.Options options)
```
    Creates a new QueueMetricProducer.
    
    Parameters:
    
    options - the options for QueueMetricProducer.
    
    Returns:
    
    a QueueMetricProducer.
    
    Since:
    
    0.20
  - pushMetrics
```
public void pushMetrics(java.util.Collection<Metric> metrics)
```
    Pushes Metrics to this QueueMetricProducer.
    When buffer of this QueueMetricProducer is full, the oldest Metrics will be dropped.
    
    Parameters:
    
    metrics - Metrics to be added to this QueueMetricProducer.
    
    Since:
    
    0.20
  - getMetrics
```
public java.util.Collection<Metric> getMetrics()
```
    Description copied from class: MetricProducer
    
    Returns a collection of produced Metrics to be exported.
    
    Specified by:
    
    getMetrics in class MetricProducer
    
    Returns:
    
    a collection of produced Metrics to be exported.