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* Spin - transparent threading solution for non-freezing Swing applications.
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* Copyright (C) 2002 Sven Meier
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import javax.swing.SwingUtilities;
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* Utility class to assert correct thread handling.
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* Must be executed on the EDT.
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public static void isEDT() {
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if (!SwingUtilities.isEventDispatchThread()) {
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throw new Error("assertion failed: not on EDT");
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* Must not be executed on the EDT.
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public static void isNotEDT() {
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if (SwingUtilities.isEventDispatchThread()) {
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throw new Error("assertion failed: on EDT");