Java EventRequest.setSuspendPolicy方法代码示例

import com.sun.jdi.request.EventRequest; //导入方法依赖的package包/类
@Override
protected void createRequest()
{
  final EventRequestManager manager = getEventRequestManager();
  if (manager != null)
  {
    try
    {
      final EventRequest request = manager.createThreadDeathRequest();
      request.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
      request.enable();
      addJDIEventListener(this, request);
    }
    catch (final RuntimeException e)
    {
      logError(e);
    }
  }
}
 

import com.sun.jdi.request.EventRequest; //导入方法依赖的package包/类
/**
 * The 'refType' is known to match, return the EventRequest.
 */
@Override
EventRequest resolveEventRequest(ReferenceType refType)
                                  throws NoSuchFieldException {
    Field field = refType.fieldByName(fieldId);
    EventRequestManager em = refType.virtualMachine().eventRequestManager();
    EventRequest wp = em.createModificationWatchpointRequest(field);
    wp.setSuspendPolicy(suspendPolicy);
    wp.enable();
    return wp;
}
 

import com.sun.jdi.request.EventRequest; //导入方法依赖的package包/类
@Override
public void start() {
    // request thread events by default
    EventRequest threadStartRequest = vm.eventRequestManager().createThreadStartRequest();
    threadStartRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE);
    threadStartRequest.enable();

    EventRequest threadDeathRequest = vm.eventRequestManager().createThreadDeathRequest();
    threadDeathRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE);
    threadDeathRequest.enable();

    eventHub.start(vm);
}
 

import com.sun.jdi.request.EventRequest; //导入方法依赖的package包/类
/**
 * The 'refType' is known to match, return the EventRequest.
 */
EventRequest resolveEventRequest(ReferenceType refType)
                                  throws NoSuchFieldException {
    Field field = refType.fieldByName(fieldId);
    EventRequestManager em = refType.virtualMachine().eventRequestManager();
    EventRequest wp = em.createModificationWatchpointRequest(field);
    wp.setSuspendPolicy(suspendPolicy);
    wp.enable();
    return wp;
}
 

import com.sun.jdi.request.EventRequest; //导入方法依赖的package包/类
VirtualMachineImpl(VirtualMachineManager manager,
                   Connection connection, Process process,
                   int sequenceNumber) {
    super(null);  // Can't use super(this)
    vm = this;

    this.vmManager = (VirtualMachineManagerImpl)manager;
    this.process = process;
    this.sequenceNumber = sequenceNumber;

    /* Create ThreadGroup to be used by all threads servicing
     * this VM.
     */
    threadGroupForJDI = new ThreadGroup(vmManager.mainGroupForJDI(),
                                        "JDI [" +
                                        this.hashCode() + "]");

    /*
     * Set up a thread to communicate with the target VM over
     * the specified transport.
     */
    target = new TargetVM(this, connection);

    /*
     * Set up a thread to handle events processed internally
     * the JDI implementation.
     */
    EventQueueImpl internalEventQueue = new EventQueueImpl(this, target);
    new InternalEventHandler(this, internalEventQueue);
    /*
     * Initialize client access to event setting and handling
     */
    eventQueue = new EventQueueImpl(this, target);
    eventRequestManager = new EventRequestManagerImpl(this);

    target.start();

    /*
     * Many ids are variably sized, depending on target VM.
     * Find out the sizes right away.
     */
    JDWP.VirtualMachine.IDSizes idSizes;
    try {
        idSizes = JDWP.VirtualMachine.IDSizes.process(vm);
    } catch (JDWPException exc) {
        throw exc.toJDIException();
    }
    sizeofFieldRef  = idSizes.fieldIDSize;
    sizeofMethodRef = idSizes.methodIDSize;
    sizeofObjectRef = idSizes.objectIDSize;
    sizeofClassRef = idSizes.referenceTypeIDSize;
    sizeofFrameRef  = idSizes.frameIDSize;

    /**
     * Set up requests needed by internal event handler.
     * Make sure they are distinguished by creating them with
     * an internal event request manager.
     *
     * Warning: create events only with SUSPEND_NONE policy.
     * In the current implementation other policies will not
     * be handled correctly when the event comes in. (notfiySuspend()
     * will not be properly called, and if the event is combined
     * with external events in the same set, suspend policy is not
     * correctly determined for the internal vs. external event sets)
     */
    internalEventRequestManager = new EventRequestManagerImpl(this);
    EventRequest er = internalEventRequestManager.createClassPrepareRequest();
    er.setSuspendPolicy(EventRequest.SUSPEND_NONE);
    er.enable();
    er = internalEventRequestManager.createClassUnloadRequest();
    er.setSuspendPolicy(EventRequest.SUSPEND_NONE);
    er.enable();

    /*
     * Tell other threads, notably TargetVM, that initialization
     * is complete.
     */
    notifyInitCompletion();
}
 

import com.sun.jdi.request.EventRequest; //导入方法依赖的package包/类
VirtualMachineImpl(VirtualMachineManager manager,
                   Connection connection, Process process,
                   int sequenceNumber) {
    super(null);  // Can't use super(this)
    vm = this;

    this.vmManager = (VirtualMachineManagerImpl)manager;
    this.process = process;
    this.sequenceNumber = sequenceNumber;

    /* Create ThreadGroup to be used by all threads servicing
     * this VM.
     */
    threadGroupForJDI = new ThreadGroup(vmManager.mainGroupForJDI(),
                                        "JDI [" +
                                        this.hashCode() + "]");

    /*
     * Set up a thread to communicate with the target VM over
     * the specified transport.
     */
    target = new TargetVM(this, connection);

    /*
     * Set up a thread to handle events processed internally
     * the JDI implementation.
     */
    EventQueueImpl internalEventQueue = new EventQueueImpl(this, target);
    new InternalEventHandler(this, internalEventQueue);
    /*
     * Initialize client access to event setting and handling
     */
    eventQueue = new EventQueueImpl(this, target);
    eventRequestManager = new EventRequestManagerImpl(this);

    target.start();

    /*
     * Many ids are variably sized, depending on target VM.
     * Find out the sizes right away.
     */
    JDWP.VirtualMachine.IDSizes idSizes;
    try {
        idSizes = JDWP.VirtualMachine.IDSizes.process(vm);
    } catch (JDWPException exc) {
        throw exc.toJDIException();
    }
    sizeofFieldRef  = idSizes.fieldIDSize;
    sizeofMethodRef = idSizes.methodIDSize;
    sizeofObjectRef = idSizes.objectIDSize;
    sizeofClassRef = idSizes.referenceTypeIDSize;
    sizeofFrameRef  = idSizes.frameIDSize;
    sizeofModuleRef = idSizes.objectIDSize;

    /**
     * Set up requests needed by internal event handler.
     * Make sure they are distinguished by creating them with
     * an internal event request manager.
     *
     * Warning: create events only with SUSPEND_NONE policy.
     * In the current implementation other policies will not
     * be handled correctly when the event comes in. (notfiySuspend()
     * will not be properly called, and if the event is combined
     * with external events in the same set, suspend policy is not
     * correctly determined for the internal vs. external event sets)
     */
    internalEventRequestManager = new EventRequestManagerImpl(this);
    EventRequest er = internalEventRequestManager.createClassPrepareRequest();
    er.setSuspendPolicy(EventRequest.SUSPEND_NONE);
    er.enable();
    er = internalEventRequestManager.createClassUnloadRequest();
    er.setSuspendPolicy(EventRequest.SUSPEND_NONE);
    er.enable();

    /*
     * Tell other threads, notably TargetVM, that initialization
     * is complete.
     */
    notifyInitCompletion();
}