| /* |
| * 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. |
| */ |
| package org.apache.stanbol.enhancer.engines.lucenefstlinking; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.stanbol.enhancer.engines.entitylinking.config.EntityLinkerConfig; |
| import org.apache.stanbol.enhancer.nlp.model.AnalysedText; |
| import org.apache.stanbol.enhancer.nlp.model.Span; |
| |
| /** |
| * minimal helper class to represent a Tag.<p> |
| * TODO: This will need to collect additional values from the suggested |
| * SolrDocuments:<ul> |
| * <li> the type information - {@link EntityLinkerConfig#TYPE_FIELD} values |
| * <li> |
| * <li> |
| * <li> |
| * </ul> |
| * @author Rupert Westenthaler |
| * |
| */ |
| class Tag { |
| |
| /** |
| * the start index within the {@link AnalysedText} |
| */ |
| final int[] span; |
| /** |
| * Matching documents |
| */ |
| private Set<Match> ids; |
| |
| private List<Match> suggestions; |
| private String anchor; |
| |
| Tag(int start, int end) { |
| span = new int[]{start,end}; |
| } |
| Tag(int[] span) { |
| this.span = span; |
| } |
| |
| public void addIds(Set<Match> ids){ |
| if(this.ids == null){ |
| this.ids = ids; |
| } else { |
| this.ids.addAll(ids); |
| } |
| } |
| @SuppressWarnings("unchecked") |
| public Set<Match> getMatches(){ |
| return ids == null ? Collections.EMPTY_SET : ids; |
| } |
| public int getStart() { |
| return span[0]; |
| } |
| |
| public int getEnd() { |
| return span[1]; |
| } |
| /** |
| * Setter for the Anchor text |
| * @param anchor |
| */ |
| public void setAnchor(String anchor) { |
| this.anchor = anchor; |
| } |
| /** |
| * Getter for the Anchor text |
| * @return the fise:selected-text value |
| */ |
| public String getAnchor() { |
| return anchor; |
| } |
| |
| public void setSuggestions(List<Match> suggestions) { |
| this.suggestions = suggestions; |
| } |
| |
| public List<Match> getSuggestions() { |
| return suggestions; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(span); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return o instanceof Tag && Arrays.equals(span, ((Tag)o).span); |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder("Tag").append(Arrays.toString(span)).toString(); |
| } |
| |
| static final Comparator<int[]> SPAN_COMPARATOR = new Comparator<int[]>() { |
| |
| @Override |
| public int compare(int[] a, int[] b) { |
| int c = a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0; |
| if(c == 0){ |
| c = a[1] > b[1] ? -1 : a[1] < b[1] ? 1 : 0; |
| } |
| return c; |
| } |
| |
| }; |
| |
| /** |
| * Returns the score of the best {@link #getSuggestions() suggestion} |
| * @return |
| */ |
| public double getScore() { |
| return suggestions == null || suggestions.isEmpty() ? 0 : |
| suggestions.get(0).getScore(); |
| } |
| |
| } |