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63 lines
1.7 KiB
63 lines
1.7 KiB
/**
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* MetadataVocabulary
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* Copyright 2012 by Michael Peter Christen
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* First released 12.4.2012 at http://yacy.net
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*
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* This file is part of YaCy Content Integration
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*
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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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*
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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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*
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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 in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.kelondro.data.meta;
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import java.util.Set;
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import net.yacy.cora.lod.Literal;
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import net.yacy.cora.lod.Vocabulary;
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public enum MetadataVocabulary implements Vocabulary {
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moddate, url;
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public final static String IDENTIFIER = "http://yacy.net/metadata";
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public final static String PREFIX = "ym";
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private final String predicate;
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private MetadataVocabulary() {
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this.predicate = PREFIX + ":" + this.name().toLowerCase();
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}
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@Override
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public String getIdentifier() {
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return IDENTIFIER;
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}
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@Override
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public String getPrefix() {
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return PREFIX;
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}
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@Override
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public String getPredicate() {
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return this.predicate;
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}
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@Override
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public Set<Literal> getLiterals() {
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return null;
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}
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}
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