RuntimeStats (presto-common 0.272 API)

```
public class RuntimeStats
extends Object
```
Metrics exposed by presto operators or connectors. These will be aggregated at the query level.

Constructors
Constructor and Description
`RuntimeStats()`
`RuntimeStats(Map<String,RuntimeMetric> metrics)`

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addMetricValue(String name, long value)`
`void`	`addMetricValueIgnoreZero(String name, long value)`
`static RuntimeStats`	`copyOf(RuntimeStats stats)`
`RuntimeMetric`	`getMetric(String name)`
`Map<String,RuntimeMetric>`	`getMetrics()`
`static RuntimeStats`	`merge(RuntimeStats stats1, RuntimeStats stats2)` Merges `stats1` and `stats2` and returns the result.
`void`	`mergeMetric(String name, RuntimeMetric metric)` Merges `metric` into this object with name `name`.
`void`	`mergeWith(RuntimeStats stats)` Merges `stats` into this object.
`<V> V`	`profileNanos(String tag, Supplier<V> supplier)`
`void`	`reset()`
`void`	`update(RuntimeStats stats)` Updates the metrics according to their values in `stats`.

public RuntimeStats(Map<String,RuntimeMetric> metrics)

public static RuntimeStats copyOf(RuntimeStats stats)

public static RuntimeStats merge(RuntimeStats stats1,
                                 RuntimeStats stats2)

Merges stats1 and stats2 and returns the result. The input parameters are not updated.

public RuntimeMetric getMetric(String name)

public Map<String,RuntimeMetric> getMetrics()

public void addMetricValue(String name,
                           long value)

public void addMetricValueIgnoreZero(String name,
                                     long value)

public void mergeMetric(String name,
                        RuntimeMetric metric)

Merges metric into this object with name name.

public void mergeWith(RuntimeStats stats)

Merges stats into this object.

update
```
public void update(RuntimeStats stats)
```
Updates the metrics according to their values in stats. Metrics not included in stats will not be changed.

public <V> V profileNanos(String tag,
                          Supplier<V> supplier)

Class RuntimeStats