Interface ClassUnloadRequest

All Superinterfaces:: EventRequest, Mirror

public interface ClassUnloadRequest extends EventRequest

Request for notification when a class is unloaded in the target VM. When an enabled ClassUnloadRequest is satisfied, a event set containing an ClassUnloadEvent will be placed on the EventQueue. The collection of existing ClassUnloadRequests is managed by the EventRequestManager

Refer to the Java Virtual Machine Specification for more information on class unloading.

Since:

1.3

See Also:

Field Summary

Fields declared in interface EventRequest

SUSPEND_ALL, SUSPEND_EVENT_THREAD, SUSPEND_NONE

Method Summary

Modifier and Type	Method	Description
`void`	`addClassExclusionFilter(String classPattern)`	Restricts the events generated by this request to the unloading of reference types whose name does not match a restricted regular expression.
`void`	`addClassFilter(String classPattern)`	Restricts the events generated by this request to the unloading of reference types whose name matches a restricted regular expression.

Methods declared in interface EventRequest

addCountFilter, disable, enable, getProperty, isEnabled, putProperty, setEnabled, setSuspendPolicy, suspendPolicy

Methods declared in interface Mirror

toString, virtualMachine

Method Details

addClassFilter

void addClassFilter(String classPattern)

Restricts the events generated by this request to the unloading of reference types whose name matches a restricted regular expression. Regular expressions are limited to exact matches and patterns that begin with '*' or end with '*'; for example, "*.Foo" or "java.*".

Parameters:: classPattern - the pattern String to filter for.
Throws:: InvalidRequestStateException - if this request is currently enabled or has been deleted. Filters may be added only to disabled requests.

addClassExclusionFilter

void addClassExclusionFilter(String classPattern)

Restricts the events generated by this request to the unloading of reference types whose name does not match a restricted regular expression. Regular expressions are limited to exact matches and patterns that begin with '*' or end with '*'; for example, "*.Foo" or "java.*".

Parameters:: classPattern - the pattern String to filter against.
Throws:: InvalidRequestStateException - if this request is currently enabled or has been deleted. Filters may be added only to disabled requests.

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https://docs.oracle.com/en/java/javase/25/docs/api/jdk.jdi/com/sun/jdi/request/ClassUnloadRequest.html