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/* |
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* |
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* Copyright (C) 2009-2017 Julian Mendez |
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* |
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* |
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* This file is part of jcel. |
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* |
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* |
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* The contents of this file are subject to the GNU Lesser General Public License |
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* version 3 |
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* |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program 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 |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* |
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* Alternatively, the contents of this file may be used under the terms |
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* of the Apache License, Version 2.0, in which case the |
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* provisions of the Apache License, Version 2.0 are applicable instead of those |
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* above. |
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* |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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package de.tudresden.inf.lat.jcel.core.completion.ext; |
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import java.util.Objects; |
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import java.util.Optional; |
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import de.tudresden.inf.lat.jcel.core.completion.common.ClassifierStatus; |
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import de.tudresden.inf.lat.jcel.core.completion.common.CompletionRuleMonitor; |
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import de.tudresden.inf.lat.jcel.core.completion.common.RObserverRule; |
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import de.tudresden.inf.lat.jcel.core.graph.VNode; |
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import de.tudresden.inf.lat.jcel.core.graph.VNodeImpl; |
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/** |
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* |
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* <ul> |
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* <li>CR-7 : <b>if</b> ∃ s<sup>-</sup> <i>.</i> A \u2291 B ∈ |
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* <i>T</i> , <u>(r<sub>2</sub>, x, y) ∈ R</u>, x = (A', φ) , y = (B', |
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* ψ), <br> |
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* r \u2218 r \u2291 r ∈ <i>T</i>, r<sub>1</sub> \u2291<sub><i>T</i></sub> |
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* r, r<sub>2</sub> \u2291<sub><i>T</i></sub> r, ∃ r<sub>1</sub> |
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* <sup>-</sup> <i>.</i> A ∈ φ, r \u2291<sub><i>T</i></sub> s <br> |
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* <b>then</b> v := (B', ψ ∪ {∃ r<sup>-</sup> <i>.</i> A}) <br> |
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* <b>if</b> v ∉ V <b>then</b> V := V ∪ {v} , |
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* S := S ∪ {(v, k) | (y, k) ∈ S} <br> |
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* S := S ∪ {(v, B)} <br> |
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* R := R ∪ {(r<sub>2</sub>, x, v)}</li> |
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* </ul> |
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* <br> |
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* |
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* @author Julian Mendez |
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*/ |
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public class CR7RExtRule implements RObserverRule { |
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/** |
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* Constructs a new completion rule CR-7. |
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*/ |
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public CR7RExtRule() { |
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} |
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@Override |
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public boolean apply(ClassifierStatus status, int property, int leftClass, int rightClass) { |
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Objects.requireNonNull(status); |
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return applyRule(status, property, leftClass, rightClass); |
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} |
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private boolean applyRule(ClassifierStatus status, int r2, int x, int y) { |
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CompletionRuleMonitor ret = new CompletionRuleMonitor(); |
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Optional<VNode> optPhiNode = status.getNode(x); |
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if (!optPhiNode.isPresent()) { |
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throw new IllegalStateException("Node not found in internal structure '" + x + "'."); |
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} |
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Optional<VNode> optPsiNode = status.getNode(y); |
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if (!optPsiNode.isPresent()) { |
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throw new IllegalStateException("Node not found in internal structure '" + y + "'."); |
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} |
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status.getSuperObjectProperties(r2).forEach(r -> { |
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if (status.getExtendedOntology().getTransitiveObjectProperties().contains(r)) { |
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int rMinus = status.getInverseObjectPropertyOf(r); |
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status.getSuperObjectProperties(r).forEach(s -> { |
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int sMinus = status.getInverseObjectPropertyOf(s); |
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status.getExtendedOntology().getGCI3rAxioms(sMinus).forEach(axiom -> { |
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int a = axiom.getClassInSubClass(); |
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int b = axiom.getSuperClass(); |
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status.getSubObjectProperties(r).forEach(r1 -> { |
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int r1Minus = status.getInverseObjectPropertyOf(r1); |
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if (optPhiNode.get().containsExistential(r1Minus, a)) { |
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VNodeImpl newNode = new VNodeImpl(optPsiNode.get().getClassId()); |
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newNode.addExistentialsOf(optPsiNode.get()); |
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newNode.addExistential(rMinus, a); |
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boolean inV = status.contains(newNode); |
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int v = status.createOrGetNodeId(newNode); |
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if (!inV) { |
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status.getSubsumers(y).forEach(p -> { |
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ret.or(status.addNewSEntry(v, p)); |
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}); |
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} |
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ret.or(status.addNewSEntry(v, b)); |
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ret.or(status.addNewREntry(r2, x, v)); |
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} |
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}); |
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}); |
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}); |
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} |
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}); |
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return ret.get(); |
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} |
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@Override |
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public boolean equals(Object o) { |
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return (Objects.nonNull(o)) && getClass().equals(o.getClass()); |
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} |
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@Override |
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public int hashCode() { |
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return getClass().hashCode(); |
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} |
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@Override |
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public String toString() { |
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return getClass().getSimpleName(); |
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} |
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} |
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julianmendez /
jcel
