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## com.sun.jdi.request
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:
  `ClassUnloadEvent`, `EventQueue`, `EventRequestManager`

Fields inherited from interface com.sun.jdi.request.EventRequest
`SUSPEND_ALL, SUSPEND_EVENT_THREAD, SUSPEND_NONE`

Method Summary
`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 inherited from interface com.sun.jdi.request.EventRequest
`addCountFilter, disable, enable, getProperty, isEnabled, putProperty, setEnabled, setSuspendPolicy, suspendPolicy`

Methods inherited from interface com.sun.jdi.Mirror
`toString, virtualMachine`

Method Detail

### addClassFilter

    public 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. Filters may be added only to disabled requests.

### addClassExclusionFilter

    public 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. Filters may be added only to disabled requests.

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