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## com.sun.jdi.request
Interface MethodEntryRequest

All Superinterfaces:
  EventRequest, Mirror

public interface MethodEntryRequest
extends EventRequest

Request for notification when a method is invoked in the target VM. When an enabled MethodEntryRequest is satisfied, an `event set` containing a `MethodEntryEvent` will be placed on the `EventQueue`. The collection of existing MethodEntryRequests is managed by the `EventRequestManager`

Since:
  1.3
See Also:
  `MethodEntryEvent`, `EventQueue`, `EventRequestManager`

Field Summary

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 those whose method is in a class whose name does not match this restricted regular expression.
`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

    public 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

    public 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

    public 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

    public 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

    public 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.
  Since:
    1.4

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