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com.sun.jdi.request
ExceptionRequest (Java Debug Interface) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档
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com.sun.jdi.request
Interface ExceptionRequest
- All Superinterfaces:
- EventRequest, Mirror
- public interface ExceptionRequest
- extends EventRequest
Request for notification when an exception occurs in the target VM.
When an enabled ExceptionRequest is satisfied, an
event set containing an
ExceptionEvent will be placed
on the EventQueue.
The collection of existing ExceptionRequests is
managed by the EventRequestManager
- Since:
- 1.3
- See Also:
ExceptionEvent,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 location is in a class whose name does not match a restricted regular expression. |
void |
addClassFilter(ReferenceType refType)
Restricts the events generated by this request to those whose location 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 location is in a class whose name matches a 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. |
ReferenceType |
exception()
Returns exception type for which exception events are requested. |
boolean |
notifyCaught()
Returns whether caught exceptions of the requested type will generate events when they are thrown. |
boolean |
notifyUncaught()
Returns whether uncaught exceptions of the requested type will generate events when they are thrown. |
| 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 |
exception
public ReferenceType exception()
- Returns exception type for which exception events are requested.
- Returns:
- The exception (and its subclasses) requested
with
EventRequestManager.createExceptionRequest(com.sun.jdi.ReferenceType, boolean, boolean), or null if, as by default, all exceptions are requested.
notifyCaught
public boolean notifyCaught()
- Returns whether caught exceptions of the requested type
will generate events when they are thrown.
Note that at the time an exception is thrown, it is not always possible to determine whether it is truly caught. See
ExceptionEvent.catchLocation()for details.- Returns:
- boolean true if caught exceptions will be reported, false otherwise.
notifyUncaught
public boolean notifyUncaught()
- Returns whether uncaught exceptions of the requested type
will generate events when they are thrown.
Note that at the time an exception is thrown, it is not always possible to determine whether it is truly uncaught. See
ExceptionEvent.catchLocation()for details.- Returns:
- boolean true if caught exceptions will be reported, false otherwise.
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
location 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 location is in a class 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
public void addClassExclusionFilter(String classPattern)
- Restricts the events generated by this request to those
whose location is in a class 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.
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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