eu.project.ttc.utils.TermIndexUtils.java Source code

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/*******************************************************************************
 * Copyright 2015-2016 - CNRS (Centre National de Recherche Scientifique)
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
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package eu.project.ttc.utils;

import java.util.Collection;
import java.util.Set;

import com.google.common.base.Objects;
import com.google.common.collect.Sets;

import eu.project.ttc.models.Term;
import eu.project.ttc.models.TermIndex;
import eu.project.ttc.models.TermVariation;
import eu.project.ttc.models.VariationType;

public class TermIndexUtils {

    public static Set<TermVariation> getVariations(TermIndex termIndex) {
        Set<TermVariation> variations = Sets.newHashSet();
        for (Term t : termIndex.getTerms()) {
            for (TermVariation tv : t.getVariations())
                variations.add(tv);
            for (TermVariation tv : t.getBases())
                variations.add(tv);
        }
        return variations;
    }

    public static Set<TermVariation> selectTermVariations(TermIndex termIndex, VariationType type,
            String ruleName) {
        Set<TermVariation> selected = Sets.newHashSet();
        for (TermVariation tv : selectTermVariations(termIndex, type))
            if (Objects.equal(ruleName, tv.getInfo()))
                selected.add(tv);
        return selected;
    }

    public static Set<TermVariation> selectTermVariations(TermIndex termIndex, VariationType... types) {
        Set<TermVariation> selected = Sets.newHashSet();
        for (TermVariation tv : getVariations(termIndex))
            for (VariationType type : types)
                if (tv.getVariationType() == type)
                    selected.add(tv);
        return selected;
    }

    public static Collection<Term> selectCompounds(TermIndex termIndex) {
        Set<Term> compounds = Sets.newHashSet();
        for (Term t : termIndex.getTerms())
            if (t.isSingleWord() && t.isCompound())
                compounds.add(t);
        return compounds;
    }

    public static Collection<TermVariation> selectTermVariationsByInfo(TermIndex termIndex, String ruleName) {
        Set<TermVariation> selected = Sets.newHashSet();
        for (TermVariation tv : getVariations(termIndex))
            if (Objects.equal(ruleName, tv.getInfo()))
                selected.add(tv);
        return selected;
    }
}