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git-svn-id: https://wala.svn.sourceforge.net/svnroot/wala/trunk@2069 f5eafffb-2e1d-0410-98e4-8ec43c5233c4
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/*******************************************************************************
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* Copyright (c) 2007 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.logic;
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import java.util.Collection;
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import java.util.Collections;
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public class EmptyTheory extends AbstractTheory {
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private final static EmptyTheory INSTANCE = new EmptyTheory();
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public static EmptyTheory singleton() {
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return INSTANCE;
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}
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private EmptyTheory() {}
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@Override
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public Collection<? extends IFormula> getSentences() {
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return Collections.emptySet();
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}
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@Override
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public IVocabulary getVocabulary() {
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return BasicVocabulary.make(Collections.emptySet());
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}
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}
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