 | Report generated by Clover Code Coverage v3.1.10 Fri May 24 2013 13:47:32 UTC. |
Clover: Open Source License registered to qedeq.org . |
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| IdentityOperatorExistenceChecker | Line # 24 | 0 | 0 | - |
-1.0
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| 1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org | |
| 2 | * | |
| 3 | * Copyright 2000-2013, Michael Meyling <mime@qedeq.org>. | |
| 4 | * | |
| 5 | * "Hilbert II" is free software; you can redistribute | |
| 6 | * it and/or modify it under the terms of the GNU General Public | |
| 7 | * License as published by the Free Software Foundation; either | |
| 8 | * version 2 of the License, or (at your option) any later version. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | */ | |
| 15 | ||
| 16 | package org.qedeq.kernel.bo.logic.common; | |
| 17 | ||
| 18 | ||
| 19 | /** | |
| 20 | * Check if the predicate for identity is already defined. | |
| 21 | * | |
| 22 | * @author Michael Meyling | |
| 23 | */ | |
| 24 | public interface IdentityOperatorExistenceChecker { | |
| 25 | ||
| 26 | /** | |
| 27 | * Check if the identity operator is already defined. | |
| 28 | * | |
| 29 | * @return Identity operator is already defined. | |
| 30 | */ | |
| 31 | public boolean identityOperatorExists(); | |
| 32 | ||
| 33 | /** | |
| 34 | * Get identity operator. This is the operator string of a predicate. | |
| 35 | * | |
| 36 | * @return Identity operator. Should be <code>null</code> | |
| 37 | * if !{@link #identityOperatorExists()}. | |
| 38 | */ | |
| 39 | public String getIdentityOperator(); | |
| 40 | ||
| 41 | } | |
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