Uses of Class
jdk.jfr.MetadataDefinition
Package | Description |
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jdk.jfr |
This package provides classes to create events and control Flight Recorder.
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Uses of MetadataDefinition in jdk.jfr
Classes in jdk.jfr with annotations of type MetadataDefinition Modifier and Type Class Description interface
BooleanFlag
Event field annotation, specifies that the value is a boolean flag, atrue
orfalse
valueinterface
Category
Event annotation, to associate the event type with a category, in the format of a human-readable path.interface
ContentType
Meta annotation, specifies that an annotation represents a content type, such as a time span or a frequency.interface
DataAmount
Event field annotation, specifies that a value represents an amount of data (for example, bytes).interface
Description
Annotation that describes an element by using a sentence or two.interface
Enabled
Event annotation, determines if an event should be enabled by default.interface
Experimental
Annotation that specifies that an element is experimental and may change without notice.interface
Frequency
Event field annotation, specifies that the value is a frequency, measured in Hz.interface
Label
Annotation that sets a human-readable name for an element (for example,"Maximum Throughput"
).interface
MemoryAddress
Event field annotation, specifies that the value is a memory address.interface
Name
Annotation that overrides the default name for an element (for example, when the default package for an event is not appropriate).interface
Percentage
Event field annotation to use on fractions, typically between0.0
and1.0
, to specify that the value is a percentage.interface
Period
Event annotation, specifies the default setting value for a periodic event.interface
Relational
Meta annotation for relational annotations, to be used on an annotation.class
SettingControl
Base class to extend to create setting controls.interface
StackTrace
Event annotation, determines whether an event by default has a stack trace or not.interface
Threshold
Event annotation, specifies the default duration below which an event is not recorded (for example,"20 ms"
).interface
Timespan
Event field annotation, specifies that the value is a duration.interface
Timestamp
Event field annotation, specifies that the value is a point in time.interface
TransitionFrom
Event field annotation, specifies that the event transitioned from a thread.interface
TransitionTo
Event field annotation, specifies that the event will soon transition to a thread.interface
Unsigned
Event field annotation, specifies that the value is of an unsigned data type.