it.cnr.isti.hpc.dexter.entity.EntityMatchList.java Source code

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Here is the source code for it.cnr.isti.hpc.dexter.entity.EntityMatchList.java

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/**
 *  Copyright 2012 Diego Ceccarelli
 *
 *  Licensed 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.
 */
package it.cnr.isti.hpc.dexter.entity;

import java.util.ArrayList;
import java.util.Collections;

import org.apache.commons.lang3.StringUtils;

/**
 * EntityMatchList represents a list of {@link EntityMatch}
 * 
 * @author Diego Ceccarelli, diego.ceccarelli@isti.cnr.it created on 06/ago/2012
 */

public class EntityMatchList extends ArrayList<EntityMatch> {

    private static final long serialVersionUID = 1L;

    @Override
    public boolean add(EntityMatch e) {
        return super.add(e);
    }

    public void sort() {
        Collections.sort(this);
    }

    public int entityIndex(String e) {
        int pos = 0;
        for (EntityMatch em : this) {
            if (em.getId().equals(e)) {
                return pos;
            }
            pos++;
        }
        return -1;
    }

    /**
     * Normalizes the scores of the entity match, such that at the end of the
     * method the sum of all the scores equals to 1
     */
    public void normalizeScores() {
        double totalScore = 0;
        for (EntityMatch e : this)
            totalScore += e.getScore();
        for (EntityMatch e : this) {
            e.setScore(e.getScore() / totalScore);
        }
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        int i = 1;
        for (EntityMatch match : this) {
            sb.append(i++).append(" ").append(match.toString());
            // .append("\n");
            // sb.append(match.getExplanation());
        }
        return sb.toString();
    }

    public String toEntityString() {
        StringBuilder sb = new StringBuilder();
        int i = 1;
        for (EntityMatch match : this) {
            sb.append(i++).append(" ").append(match.toEntityString());
            // .append("\n");
            // sb.append(match.getExplanation());
        }
        return sb.toString();
    }

    /**
     * Removes the entities whose spots overlaps, if some entity spots overlaps,
     * only the entity with the greatest score is keep while the others are
     * removed from the list.
     * 
     * @return a list of entity matches with no overlaps
     */
    public EntityMatchList removeOverlappings() {

        EntityMatchList eml = new EntityMatchList();
        for (EntityMatch e : this) {
            boolean overlaps = false;
            for (EntityMatch e1 : this) {
                // check if e overlaps with some entity yet in the result list
                if (e1.getId() != e.getId()) {
                    overlaps = StringUtils.containsIgnoreCase(e1.getSpot().getMention(), e.getSpot().getMention());
                    // overlaps = e.overlaps(e1);
                    if (overlaps) {
                        e.setEntity(e1.getEntity());
                        break;
                    }
                }

            }
            // if (!overlaps)
            eml.add(e);
        }
        return eml;
    }

    public EntityMatchList removeMultiMeanings() {

        EntityMatchList eml = new EntityMatchList();
        for (EntityMatch e : this) {
            for (EntityMatch e1 : this) {
                // check if e overlaps with some entity yet in the result list
                if (e1.getMention().equals(e.getMention()) && e1.getId() != e.getId()) {

                    if (e1.getScore() > e.getScore()) {
                        e.setEntity(e1.getEntity());

                    } else {
                        e1.setEntity(e.getEntity());

                    }
                }

            }
            eml.add(e);
        }
        return eml;
    }

}