java.lang.Object
jdk.management.jfr.EventTypeInfo
Management representation of an
EventType.- Since:
- 9
- See Also:
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Method Summary
Modifier and TypeMethodDescriptionstatic EventTypeInfofrom(CompositeData cd) Returns anEventTyperepresented by the specifiedCompositeDataReturns the list of human-readable names that makes up the category for thisEventTypeInfo(for example,"Java Virtual Machine"or"Garbage Collector").Returns a short sentence or two describing the event type associated with thisEventTypeInfo, for example"Garbage collection performed by the JVM"".longgetId()Returns the unique ID for the event type associated with thisEventTypeInfo, not guaranteed to be the same for different Java Virtual Machines (JVMs) instances.getLabel()Returns the label, a human-readable name, associated with the event type for thisEventTypeInfo(for example,"Garbage Collection").getName()Returns the name for the event type associated with thisEventTypeInfo(for example,"jdk.GarbageCollection").Returns settings for the event type associated with thisEventTypeInfo.toString()Returns a description of thisEventTypeInfo.
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Method Details
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getLabel
Returns the label, a human-readable name, associated with the event type for thisEventTypeInfo(for example,"Garbage Collection").- Returns:
- the label, or
nullif a label is not set - See Also:
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getCategoryNames
Returns the list of human-readable names that makes up the category for thisEventTypeInfo(for example,"Java Virtual Machine"or"Garbage Collector").- Returns:
- an immutable list of category names, or a list with the name
"Uncategorized"if no category has been set - See Also:
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getId
public long getId()Returns the unique ID for the event type associated with thisEventTypeInfo, not guaranteed to be the same for different Java Virtual Machines (JVMs) instances.- Returns:
- the ID
- See Also:
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getName
Returns the name for the event type associated with thisEventTypeInfo(for example,"jdk.GarbageCollection").- Returns:
- the name, not
null - See Also:
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getDescription
Returns a short sentence or two describing the event type associated with thisEventTypeInfo, for example"Garbage collection performed by the JVM"".- Returns:
- the description, or
nullif no description exists - See Also:
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getSettingDescriptors
Returns settings for the event type associated with thisEventTypeInfo.- Returns:
- the settings, not
null - See Also:
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toString
Returns a description of thisEventTypeInfo. -
from
Returns anEventTyperepresented by the specifiedCompositeDataThe supplied
CompositeDatamust have the following item names and item types to be valid.The name and type the specified CompositeData must contain Name Type id Longname Stringlabel Stringdescription StringcategoryNames ArrayType(1, SimpleType.STRING)settingDescriptors javax.management.openmbean.CompositeData[]whose element type is the mapped type forSettingDescriptorInfoas specified in theSettingDescriptorInfo.from(javax.management.openmbean.CompositeData)method.- Parameters:
cd-CompositeDatarepresenting theEventTypeInfoto return- Returns:
- an
EventTypeInfo, ornullifcdisnull - Throws:
IllegalArgumentException- ifcddoes not represent a validEventTypeInfo
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