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/*
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* Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.jdi.request;
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import java.util.List;
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import com.sun.jdi.Field;
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import com.sun.jdi.Location;
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import com.sun.jdi.Mirror;
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import com.sun.jdi.NativeMethodException;
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import com.sun.jdi.ReferenceType;
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import com.sun.jdi.ThreadReference;
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import com.sun.jdi.VirtualMachine;
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import com.sun.jdi.event.BreakpointEvent;
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import com.sun.jdi.event.Event;
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import com.sun.jdi.event.EventSet;
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import com.sun.jdi.event.ExceptionEvent;
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import com.sun.jdi.event.VMDeathEvent;
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/**
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* Manages the creation and deletion of {@link EventRequest}s. A single
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* implementor of this interface exists in a particular VM and
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* is accessed through {@link VirtualMachine#eventRequestManager()}
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*
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* @see EventRequest
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* @see Event
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* @see BreakpointRequest
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* @see BreakpointEvent
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* @see VirtualMachine
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*
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* @author Robert Field
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* @since 1.3
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*/
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public interface EventRequestManager extends Mirror {
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/**
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* Creates a new disabled {@link ClassPrepareRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @return the created {@link ClassPrepareRequest}
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*/
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ClassPrepareRequest createClassPrepareRequest();
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/**
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* Creates a new disabled {@link ClassUnloadRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @return the created {@link ClassUnloadRequest}
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*/
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ClassUnloadRequest createClassUnloadRequest();
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/**
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* Creates a new disabled {@link ThreadStartRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @return the created {@link ThreadStartRequest}
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*/
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ThreadStartRequest createThreadStartRequest();
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/**
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* Creates a new disabled {@link ThreadDeathRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @return the created {@link ThreadDeathRequest}
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*/
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ThreadDeathRequest createThreadDeathRequest();
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/**
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* Creates a new disabled {@link ExceptionRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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* <P>
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* A specific exception type and its subclasses can be selected
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* for exception events. Caught exceptions, uncaught exceptions,
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* or both can be selected. Note, however, that
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* at the time an exception is thrown, it is not always
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* possible to determine whether it is truly caught. See
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* {@link ExceptionEvent#catchLocation} for
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* details.
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* @param refType If non-null, specifies that exceptions which are
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* instances of refType will be reported. Note: this
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* will include instances of sub-types. If null,
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* all instances will be reported
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* @param notifyCaught If true, caught exceptions will be reported.
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* @param notifyUncaught If true, uncaught exceptions will be reported.
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*
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* @return the created {@link ExceptionRequest}
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*/
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ExceptionRequest createExceptionRequest(ReferenceType refType,
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boolean notifyCaught,
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boolean notifyUncaught);
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/**
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* Creates a new disabled {@link MethodEntryRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @return the created {@link MethodEntryRequest}
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*/
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MethodEntryRequest createMethodEntryRequest();
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/**
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* Creates a new disabled {@link MethodExitRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @return the created {@link MethodExitRequest}
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*/
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MethodExitRequest createMethodExitRequest();
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/**
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* Creates a new disabled {@link MonitorContendedEnterRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canRequestMonitorEvents()}
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* to determine if the operation is supported.
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*
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* @return the created {@link MonitorContendedEnterRequest}
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* @throws java.lang.UnsupportedOperationException if
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* the target VM does not support this
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* operation.
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*
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* @since 1.6
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*/
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MonitorContendedEnterRequest createMonitorContendedEnterRequest();
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/**
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* Creates a new disabled {@link MonitorContendedEnteredRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canRequestMonitorEvents()}
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* to determine if the operation is supported.
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*
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* @return the created {@link MonitorContendedEnteredRequest}
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* @throws java.lang.UnsupportedOperationException if
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* the target VM does not support this
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* operation.
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*
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* @since 1.6
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*/
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MonitorContendedEnteredRequest createMonitorContendedEnteredRequest();
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/**
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* Creates a new disabled {@link MonitorWaitRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canRequestMonitorEvents()}
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* to determine if the operation is supported.
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*
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* @return the created {@link MonitorWaitRequest}
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* @throws java.lang.UnsupportedOperationException if
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* the target VM does not support this
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* operation.
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*
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* @since 1.6
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*/
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MonitorWaitRequest createMonitorWaitRequest();
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/**
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* Creates a new disabled {@link MonitorWaitedRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canRequestMonitorEvents()}
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* to determine if the operation is supported.
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*
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* @return the created {@link MonitorWaitedRequest}
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* @throws java.lang.UnsupportedOperationException if
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* the target VM does not support this
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* operation.
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*
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* @since 1.6
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*/
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MonitorWaitedRequest createMonitorWaitedRequest();
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/**
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* Creates a new disabled {@link StepRequest}.
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* The new event request is added to the list managed by this
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* EventRequestManager. Use {@link EventRequest#enable()} to
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* activate this event request.
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* <p>
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* The returned request will control stepping only in the specified
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* {@code thread}; all other threads will be unaffected.
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* A {@code size} value of {@link StepRequest#STEP_MIN} will generate a
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* step event each time the code index changes. It represents the
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* smallest step size available and often maps to the instruction
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* level.
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* A {@code size} value of {@link StepRequest#STEP_LINE} will generate a
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* step event each time the source line changes unless line number information is not available,
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* in which case a STEP_MIN will be done instead. For example, no line number information is
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* available during the execution of a method that has been rendered obsolete by
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* by a {@link VirtualMachine#redefineClasses} operation.
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* A {@code depth} value of {@link StepRequest#STEP_INTO} will generate
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* step events in any called methods. A {@code depth} value
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* of {@link StepRequest#STEP_OVER} restricts step events to the current frame
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* or caller frames. A {@code depth} value of {@link StepRequest#STEP_OUT}
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* restricts step events to caller frames only. All depth
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* restrictions are relative to the call stack immediately before the
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* step takes place.
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* <p>
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* Only one pending step request is allowed per thread.
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* <p>
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* Note that a typical debugger will want to cancel stepping
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* after the first step is detected. Thus a next line method
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* would do the following:
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* <pre>{@code
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* EventRequestManager mgr = myVM.{@link VirtualMachine#eventRequestManager eventRequestManager}();
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* StepRequest request = mgr.createStepRequest(myThread,
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* StepRequest.{@link StepRequest#STEP_LINE STEP_LINE},
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* StepRequest.{@link StepRequest#STEP_OVER STEP_OVER});
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* request.{@link EventRequest#addCountFilter addCountFilter}(1); // next step only
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* request.enable();
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* myVM.{@link VirtualMachine#resume resume}();
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* }</pre>
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*
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* @param thread the thread in which to step
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* @param depth the step depth
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* @param size the step size
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* @return the created {@link StepRequest}
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* @throws DuplicateRequestException if there is already a pending
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* step request for the specified thread.
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* @throws IllegalArgumentException if the size or depth arguments
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* contain illegal values.
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*/
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StepRequest createStepRequest(ThreadReference thread,
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int size,
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int depth);
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/**
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* Creates a new disabled {@link BreakpointRequest}.
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* The given {@link Location} must have a valid
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* (that is, non-negative) code index. The new
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* breakpoint is added to the list managed by this
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* EventRequestManager. Multiple breakpoints at the
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* same location are permitted. Use {@link EventRequest#enable()} to
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* activate this event request.
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*
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* @param location the location of the new breakpoint.
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* @return the created {@link BreakpointRequest}
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* @throws NativeMethodException if location is within a native method.
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*/
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BreakpointRequest createBreakpointRequest(Location location);
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/**
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* Creates a new disabled watchpoint which watches accesses to the
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* specified field. The new
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* watchpoint is added to the list managed by this
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* EventRequestManager. Multiple watchpoints on the
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* same field are permitted.
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* Use {@link EventRequest#enable()} to
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* activate this event request.
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* <P>
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canWatchFieldAccess()}
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* to determine if the operation is supported.
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*
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* @param field the field to watch
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* @return the created watchpoint
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* @throws java.lang.UnsupportedOperationException if
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* the target virtual machine does not support this
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* operation.
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*/
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AccessWatchpointRequest createAccessWatchpointRequest(Field field);
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/**
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* Creates a new disabled watchpoint which watches accesses to the
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* specified field. The new
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* watchpoint is added to the list managed by this
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* EventRequestManager. Multiple watchpoints on the
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* same field are permitted.
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* Use {@link EventRequest#enable()} to
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* activate this event request.
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* <P>
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canWatchFieldModification()}
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* to determine if the operation is supported.
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*
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* @param field the field to watch
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* @return the created watchpoint
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* @throws java.lang.UnsupportedOperationException if
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* the target virtual machine does not support this
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* operation.
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*/
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ModificationWatchpointRequest createModificationWatchpointRequest(Field field);
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/**
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* Creates a new disabled {@link VMDeathRequest}.
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* The new request is added to the list managed by this
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* EventRequestManager.
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* Use {@link EventRequest#enable()} to
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* activate this event request.
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* <P>
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* This request (if enabled) will cause a
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* {@link VMDeathEvent}
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* to be sent on termination of the target VM.
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* <P>
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* A VMDeathRequest with a suspend policy of
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* {@link EventRequest#SUSPEND_ALL SUSPEND_ALL}
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* can be used to assure processing of incoming
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* {@link EventRequest#SUSPEND_NONE SUSPEND_NONE} or
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* {@link EventRequest#SUSPEND_EVENT_THREAD SUSPEND_EVENT_THREAD}
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* events before VM death. If all event processing is being
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* done in the same thread as event sets are being read,
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* enabling the request is all that is needed since the VM
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* will be suspended until the {@link EventSet}
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* containing the {@link VMDeathEvent}
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* is resumed.
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* <P>
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* Not all target virtual machines support this operation.
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* Use {@link VirtualMachine#canRequestVMDeathEvent()}
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* to determine if the operation is supported.
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*
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* @return the created request
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* @throws java.lang.UnsupportedOperationException if
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* the target VM does not support this
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* operation.
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*
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* @since 1.4
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*/
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VMDeathRequest createVMDeathRequest();
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/**
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* Removes an eventRequest. The eventRequest is disabled and
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* the removed from the requests managed by this
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* EventRequestManager. Once the eventRequest is deleted, no
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* operations (for example, {@link EventRequest#setEnabled})
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* are permitted - attempts to do so will generally cause an
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* {@link InvalidRequestStateException}.
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* No other eventRequests are effected.
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* <P>
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* Because this method changes the underlying lists of event
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* requests, attempting to directly delete from a list returned
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* by a request accessor (e.g. below):
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* <PRE>
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* Iterator iter = requestManager.stepRequests().iterator();
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* while (iter.hasNext()) {
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* requestManager.deleteEventRequest(iter.next());
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* }
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* </PRE>
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* may cause a {@link java.util.ConcurrentModificationException}.
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* Instead use
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* {@link #deleteEventRequests(List) deleteEventRequests(List)}
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* or copy the list before iterating.
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*
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* @param eventRequest the eventRequest to remove
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*/
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394 |
void deleteEventRequest(EventRequest eventRequest);
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/**
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* Removes a list of {@link EventRequest}s.
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*
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* @see #deleteEventRequest(EventRequest)
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*
|
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401 |
* @param eventRequests the list of eventRequests to remove
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|
402 |
*/
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|
403 |
void deleteEventRequests(List<? extends EventRequest> eventRequests);
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|
404 |
|
|
405 |
/**
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|
406 |
* Remove all breakpoints managed by this EventRequestManager.
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|
407 |
*
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|
408 |
* @see #deleteEventRequest(EventRequest)
|
|
409 |
*/
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|
410 |
void deleteAllBreakpoints();
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|
411 |
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|
412 |
/**
|
|
413 |
* Return an unmodifiable list of the enabled and disabled step requests.
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|
414 |
* This list is a live view of these requests and thus changes as requests
|
|
415 |
* are added and deleted.
|
|
416 |
* @return the all {@link StepRequest} objects.
|
|
417 |
*/
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|
418 |
List<StepRequest> stepRequests();
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|
419 |
|
|
420 |
/**
|
|
421 |
* Return an unmodifiable list of the enabled and disabled class prepare requests.
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|
422 |
* This list is a live view of these requests and thus changes as requests
|
|
423 |
* are added and deleted.
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|
424 |
* @return the all {@link ClassPrepareRequest} objects.
|
|
425 |
*/
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|
426 |
List<ClassPrepareRequest> classPrepareRequests();
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|
427 |
|
|
428 |
/**
|
|
429 |
* Return an unmodifiable list of the enabled and disabled class unload requests.
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|
430 |
* This list is a live view of these requests and thus changes as requests
|
|
431 |
* are added and deleted.
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|
432 |
* @return the all {@link ClassUnloadRequest} objects.
|
|
433 |
*/
|
|
434 |
List<ClassUnloadRequest> classUnloadRequests();
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|
435 |
|
|
436 |
/**
|
|
437 |
* Return an unmodifiable list of the enabled and disabled thread start requests.
|
|
438 |
* This list is a live view of these requests and thus changes as requests
|
|
439 |
* are added and deleted.
|
|
440 |
* @return the all {@link ThreadStartRequest} objects.
|
|
441 |
*/
|
|
442 |
List<ThreadStartRequest> threadStartRequests();
|
|
443 |
|
|
444 |
/**
|
|
445 |
* Return an unmodifiable list of the enabled and disabled thread death requests.
|
|
446 |
* This list is a live view of these requests and thus changes as requests
|
|
447 |
* are added and deleted.
|
|
448 |
* @return the all {@link ThreadDeathRequest} objects.
|
|
449 |
*/
|
|
450 |
List<ThreadDeathRequest> threadDeathRequests();
|
|
451 |
|
|
452 |
/**
|
|
453 |
* Return an unmodifiable list of the enabled and disabled exception requests.
|
|
454 |
* This list is a live view of these requests and thus changes as requests
|
|
455 |
* are added and deleted.
|
|
456 |
* @return the all {@link ExceptionRequest} objects.
|
|
457 |
*/
|
|
458 |
List<ExceptionRequest> exceptionRequests();
|
|
459 |
|
|
460 |
/**
|
|
461 |
* Return an unmodifiable list of the enabled and disabled breakpoint requests.
|
|
462 |
* This list is a live view of these requests and thus changes as requests
|
|
463 |
* are added and deleted.
|
|
464 |
* @return the list of all {@link BreakpointRequest} objects.
|
|
465 |
*/
|
|
466 |
List<BreakpointRequest> breakpointRequests();
|
|
467 |
|
|
468 |
/**
|
|
469 |
* Return an unmodifiable list of the enabled and disabled access
|
|
470 |
* watchpoint requests.
|
|
471 |
* This list is a live view of these requests and thus changes as requests
|
|
472 |
* are added and deleted.
|
|
473 |
* @return the all {@link AccessWatchpointRequest} objects.
|
|
474 |
*/
|
|
475 |
List<AccessWatchpointRequest> accessWatchpointRequests();
|
|
476 |
|
|
477 |
/**
|
|
478 |
* Return an unmodifiable list of the enabled and disabled modification
|
|
479 |
* watchpoint requests.
|
|
480 |
* This list is a live view of these requests and thus changes as requests
|
|
481 |
* are added and deleted.
|
|
482 |
* @return the all {@link ModificationWatchpointRequest} objects.
|
|
483 |
*/
|
|
484 |
List<ModificationWatchpointRequest> modificationWatchpointRequests();
|
|
485 |
|
|
486 |
/**
|
|
487 |
* Return an unmodifiable list of the enabled and disabled method entry requests.
|
|
488 |
* This list is a live view of these requests and thus changes as requests
|
|
489 |
* are added and deleted.
|
|
490 |
* @return the list of all {@link MethodEntryRequest} objects.
|
|
491 |
*/
|
|
492 |
List<MethodEntryRequest> methodEntryRequests();
|
|
493 |
|
|
494 |
/**
|
|
495 |
* Return an unmodifiable list of the enabled and disabled method exit requests.
|
|
496 |
* This list is a live view of these requests and thus changes as requests
|
|
497 |
* are added and deleted.
|
|
498 |
* @return the list of all {@link MethodExitRequest} objects.
|
|
499 |
*/
|
|
500 |
List<MethodExitRequest> methodExitRequests();
|
|
501 |
|
|
502 |
/**
|
|
503 |
* Return an unmodifiable list of the enabled and disabled monitor contended enter requests.
|
|
504 |
* This list is a live view of these requests and thus changes as requests
|
|
505 |
* are added and deleted.
|
|
506 |
* @return the list of all {@link MonitorContendedEnterRequest} objects.
|
|
507 |
*
|
|
508 |
* @since 1.6
|
|
509 |
*/
|
|
510 |
List<MonitorContendedEnterRequest> monitorContendedEnterRequests();
|
|
511 |
|
|
512 |
/**
|
|
513 |
* Return an unmodifiable list of the enabled and disabled monitor contended entered requests.
|
|
514 |
* This list is a live view of these requests and thus changes as requests
|
|
515 |
* are added and deleted.
|
|
516 |
* @return the list of all {@link MonitorContendedEnteredRequest} objects.
|
|
517 |
*
|
|
518 |
* @since 1.6
|
|
519 |
*/
|
|
520 |
List<MonitorContendedEnteredRequest> monitorContendedEnteredRequests();
|
|
521 |
|
|
522 |
/**
|
|
523 |
* Return an unmodifiable list of the enabled and disabled monitor wait requests.
|
|
524 |
* This list is a live view of these requests and thus changes as requests
|
|
525 |
* are added and deleted.
|
|
526 |
* @return the list of all {@link MonitorWaitRequest} objects.
|
|
527 |
*
|
|
528 |
* @since 1.6
|
|
529 |
*/
|
|
530 |
List<MonitorWaitRequest> monitorWaitRequests();
|
|
531 |
|
|
532 |
/**
|
|
533 |
* Return an unmodifiable list of the enabled and disabled monitor waited requests.
|
|
534 |
* This list is a live view of these requests and thus changes as requests
|
|
535 |
* are added and deleted.
|
|
536 |
* @return the list of all {@link MonitorWaitedRequest} objects.
|
|
537 |
*
|
|
538 |
* @since 1.6
|
|
539 |
*/
|
|
540 |
List<MonitorWaitedRequest> monitorWaitedRequests();
|
|
541 |
|
|
542 |
/**
|
|
543 |
* Return an unmodifiable list of the enabled and disabled VM death requests.
|
|
544 |
* This list is a live view of these requests and thus changes as requests
|
|
545 |
* are added and deleted.
|
|
546 |
* Note: the unsolicited VMDeathEvent does not have a
|
|
547 |
* corresponding request.
|
|
548 |
* @return the list of all {@link VMDeathRequest} objects.
|
|
549 |
*
|
|
550 |
* @since 1.4
|
|
551 |
*/
|
|
552 |
List<VMDeathRequest> vmDeathRequests();
|
|
553 |
}
|