com.sun.jdi.request

## Interface MonitorContendedEnteredRequest

- All Superinterfaces:
    EventRequest, Mirror

      public interface MonitorContendedEnteredRequest
      extends EventRequest

  Request for notification of a thread in the target VM entering a monitor after waiting for it to be released by another thread. When an enabled MonitorContededEnteredRequest is satisfied, an `event set` containing a `MonitorContendedEnteredEvent` will be placed on the `EventQueue`. The collection of existing MonitorContendedEnteredEvents is managed by the `EventRequestManager`
  Since:
    1.6
  See Also:
    `MonitorContendedEnteredEvent`, `EventQueue`, `EventRequestManager`

- - ### Field Summary

    - ### Fields inherited from interface com.sun.jdi.request.EventRequest

      `SUSPEND_ALL, SUSPEND_EVENT_THREAD, SUSPEND_NONE`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addClassExclusionFilter(String classPattern)` Restricts the events generated by this request to those whose method is in a class whose name does not match this restricted regular expression, e.g.
    `void` | `addClassFilter(ReferenceType refType)` Restricts the events generated by this request to those whose method is in the given reference type or any of its subtypes.
    `void` | `addClassFilter(String classPattern)` Restricts the events generated by this request to those whose method is in a class whose name matches this restricted regular expression.
    `void` | `addInstanceFilter(ObjectReference instance)` Restricts the events generated by this request to those in which the currently executing instance ("this") is the object specified.
    `void` | `addThreadFilter(ThreadReference thread)` Restricts the events generated by this request to those in the given thread.

    - ### 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

    - #### addThreadFilter

          void addThreadFilter(ThreadReference thread)

      Restricts the events generated by this request to those in the given thread.
      Parameters:
        `thread` - the thread to filter on.
      Throws:
        `InvalidRequestStateException` - if this request is currently enabled or has been deleted. Filters may be added only to disabled requests.

    - #### addClassFilter

          void addClassFilter(ReferenceType refType)

      Restricts the events generated by this request to those whose method is in the given reference type or any of its subtypes. An event will be generated for any location in a reference type that can be safely cast to the given reference type.
      Parameters:
        `refType` - the reference type to filter on.
      Throws:
        `InvalidRequestStateException` - if this request is currently enabled or has been deleted. Filters may be added only to disabled requests.

    - #### addClassFilter

          void addClassFilter(String classPattern)

      Restricts the events generated by this request to those whose method is in a class whose name matches this 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 those whose method is in a class whose name does not match this restricted regular expression, e.g. "java.*" or "*.Foo".
      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.

    - #### addInstanceFilter

          void addInstanceFilter(ObjectReference instance)

      Restricts the events generated by this request to those in which the currently executing instance ("this") is the object specified.

      Not all targets support this operation. Use `VirtualMachine.canUseInstanceFilters()` to determine if the operation is supported.

      Parameters:
        `instance` - the object which must be the current instance in order to pass this filter.
      Throws:
        `UnsupportedOperationException` - if the target virtual machine does not support this operation.
        `InvalidRequestStateException` - if this request is currently enabled or has been deleted. Filters may be added only to disabled requests.

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