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jaroslav@601
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/*
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jaroslav@601
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* Copyright (c) 1996, 1997, Oracle and/or its affiliates. All rights reserved.
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jaroslav@601
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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jaroslav@601
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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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jaroslav@601
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* under the terms of the GNU General Public License version 2 only, as
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jaroslav@601
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* published by the Free Software Foundation. Oracle designates this
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jaroslav@601
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* particular file as subject to the "Classpath" exception as provided
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jaroslav@601
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* by Oracle in the LICENSE file that accompanied this code.
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jaroslav@601
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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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jaroslav@601
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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jaroslav@601
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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jaroslav@601
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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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jaroslav@601
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*
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jaroslav@601
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* You should have received a copy of the GNU General Public License version
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jaroslav@601
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* 2 along with this work; if not, write to the Free Software Foundation,
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jaroslav@601
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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jaroslav@601
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*
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jaroslav@601
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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jaroslav@601
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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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jaroslav@601
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package java.beans;
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/**
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* A VetoableChange event gets fired whenever a bean changes a "constrained"
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* property. You can register a VetoableChangeListener with a source bean
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* so as to be notified of any constrained property updates.
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*/
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public interface VetoableChangeListener extends java.util.EventListener {
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/**
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* This method gets called when a constrained property is changed.
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*
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* @param evt a <code>PropertyChangeEvent</code> object describing the
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* event source and the property that has changed.
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* @exception PropertyVetoException if the recipient wishes the property
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* change to be rolled back.
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*/
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void vetoableChange(PropertyChangeEvent evt)
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throws PropertyVetoException;
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}
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