Java Module jdk.jfr Package jdk.jfr Annotation Type Period（JDK11）

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```
@Retention(RUNTIME)
@Inherited
@Target(TYPE)
public @interface Period
```
Event annotation, specifies the default setting value for a periodic event.
Since:
9

- Field Summary
  Fields
  Modifier and Type Fields Description
  static String NAME
  Settings name "period" for configuring periodic events
- Optional Element Summary
  Optional Elements
  Modifier and Type Optional Element Description
  String value
  Returns the default setting value for a periodic setting.

- Field Detail
  - NAME
```
static final String NAME
```
    Settings name "period" for configuring periodic events
- Element Detail
  - value
```
String value
```
    Returns the default setting value for a periodic setting.
    String representation of a positive Long value followed by an empty space and one of the following units:
    
    "ns" (nanoseconds)
    "us" (microseconds)
    "ms" (milliseconds)
    "s" (seconds)
    "m" (minutes)
    "h" (hours)
    "d" (days)
    Example values: "0 ns", "10 ms", and "1 s".
    A period may also be "everyChunk" to specify that it occurs at least once for every recording file. The number of events that are emitted depends on how many times the file rotations occur when data is recorded.
    Returns:
    the default setting value, not null
    Default:
    "everyChunk"

本文分类：JavaAPI
本文标签：JavaAPI JDK11 Java11
浏览次数：146 次浏览
本文链接：/javaapi/39938.html

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