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/*
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* Copyright 1998-2001 Sun Microsystems, Inc. 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. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package com.sun.jdi.request;
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import com.sun.jdi.*;
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/**
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* Identifies a {@link Location} in the target VM at which
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* execution should be stopped. When an enabled BreakpointRequest is
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* satisfied, an
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* {@link com.sun.jdi.event.EventSet event set} containing an
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* {@link com.sun.jdi.event.BreakpointEvent BreakpointEvent}
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* will be placed on the
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* {@link com.sun.jdi.event.EventQueue EventQueue} and
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* the application is interrupted. The collection of existing breakpoints is
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* managed by the {@link EventRequestManager}
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*
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* @see Location
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* @see com.sun.jdi.event.BreakpointEvent
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* @see com.sun.jdi.event.EventQueue
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* @see EventRequestManager
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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 BreakpointRequest extends EventRequest, Locatable {
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/**
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* Returns the location of the requested breakpoint.
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*
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* @return the {@link Location} where this breakpoint has been set.
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*/
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Location location();
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/**
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* Restricts the events generated by this request to those in
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* the given thread.
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* @param thread the thread to filter on.
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* @throws InvalidRequestStateException if this request is currently
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* enabled or has been deleted.
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* Filters may be added only to disabled requests.
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*/
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void addThreadFilter(ThreadReference thread);
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/**
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* Restricts the events generated by this request to those in
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* which the currently executing instance is the object
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* specified.
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* <P>
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* Not all targets support this operation.
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* Use {@link VirtualMachine#canUseInstanceFilters()}
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* to determine if the operation is supported.
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* @since 1.4
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* @param instance the object which must be the current instance
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* in order to pass this filter.
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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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* @throws InvalidRequestStateException if this request is currently
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* enabled or has been deleted.
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* Filters may be added only to disabled requests.
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*/
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void addInstanceFilter(ObjectReference instance);
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}
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