/* *Copyright 2014 Rodrigo Agerri 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 eus.ixa.ixa.pipe.pos.dict; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import opennlp.tools.util.Span; /** * Class for holding multiwords for a sentence. * * @author ragerri * @version 2014-11-30 */ public class MultiWordSample { private final String id; private final List<String> tokens; private final List<Span> names; public static final String DEFAULT_TYPE = "UNK"; public MultiWordSample(final String id, final String[] sentence, Span[] multiwords) { this.id = id; if (sentence == null) { throw new IllegalArgumentException("sentence must not be null!"); } if (multiwords == null) { multiwords = new Span[0]; } this.tokens = Collections.unmodifiableList(new ArrayList<String>(Arrays .asList(sentence))); this.names = Collections.unmodifiableList(new ArrayList<Span>(Arrays .asList(multiwords))); // TODO: Check that multiword spans are not overlapping, otherwise throw // exception } public MultiWordSample(final String[] sentence, final Span[] names) { this(null, sentence, names); } public String getId() { return this.id; } public String[] getSentence() { return this.tokens.toArray(new String[this.tokens.size()]); } public Span[] getNames() { return this.names.toArray(new Span[this.names.size()]); } @Override public int hashCode() { assert false : "hashCode not designed"; return 42; // any arbitrary constant will do } @Override public boolean equals(final Object obj) { if (this == obj) { return true; } else if (obj instanceof MultiWordSample) { final MultiWordSample a = (MultiWordSample) obj; return Arrays.equals(getSentence(), a.getSentence()) && Arrays.equals(getNames(), a.getNames()); } else { return false; } } @Override public String toString() { final StringBuilder sb = new StringBuilder(); for (int tokenIndex = 0; tokenIndex < this.tokens.size(); tokenIndex++) { for (final Span name : this.names) { if (name.getStart() == tokenIndex) { sb.append("<START:").append(name.getType()).append("> "); } if (name.getEnd() == tokenIndex) { sb.append("<END>").append(' '); } } sb.append(this.tokens.get(tokenIndex)).append(' '); } if (this.tokens.size() > 1) { sb.setLength(sb.length() - 1); } for (final Span name : this.names) { if (name.getEnd() == this.tokens.size()) { sb.append(' ').append("<END>"); } } final String multiWordSample = sb.toString(); return multiWordSample; } }