| // -*- c-basic-offset: 2 -*- |
| /* |
| * 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.lucene.analysis.morfologik; |
| |
| import java.util.*; |
| |
| import org.apache.lucene.util.AttributeImpl; |
| import org.apache.lucene.util.AttributeReflector; |
| |
| /** |
| * Morphosyntactic annotations for surface forms. |
| * @see MorphosyntacticTagsAttribute |
| */ |
| public class MorphosyntacticTagsAttributeImpl extends AttributeImpl |
| implements MorphosyntacticTagsAttribute, Cloneable { |
| |
| /** Initializes this attribute with no tags */ |
| public MorphosyntacticTagsAttributeImpl() {} |
| |
| /** |
| * A list of potential tag variants for the current token. |
| */ |
| private List<StringBuilder> tags; |
| |
| /** |
| * Returns the POS tag of the term. If you need a copy of this char sequence, copy |
| * its contents (and clone {@link StringBuilder}s) because it changes with |
| * each new term to avoid unnecessary memory allocations. |
| */ |
| @Override |
| public List<StringBuilder> getTags() { |
| return tags; |
| } |
| |
| @Override |
| public void clear() { |
| tags = null; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other instanceof MorphosyntacticTagsAttribute) { |
| return equal(this.getTags(), ((MorphosyntacticTagsAttribute) other).getTags()); |
| } |
| return false; |
| } |
| |
| private boolean equal(Object l1, Object l2) { |
| return l1 == null ? (l2 == null) : (l1.equals(l2)); |
| } |
| |
| @Override |
| public int hashCode() { |
| return this.tags == null ? 0 : tags.hashCode(); |
| } |
| |
| /** |
| * Sets the internal tags reference to the given list. The contents |
| * is not copied. |
| */ |
| @Override |
| public void setTags(List<StringBuilder> tags) { |
| this.tags = tags; |
| } |
| |
| @Override |
| public void copyTo(AttributeImpl target) { |
| List<StringBuilder> cloned = null; |
| if (tags != null) { |
| cloned = new ArrayList<>(tags.size()); |
| for (StringBuilder b : tags) { |
| cloned.add(new StringBuilder(b)); |
| } |
| } |
| ((MorphosyntacticTagsAttribute) target).setTags(cloned); |
| } |
| |
| @Override |
| public MorphosyntacticTagsAttributeImpl clone() { |
| MorphosyntacticTagsAttributeImpl cloned = new MorphosyntacticTagsAttributeImpl(); |
| this.copyTo(cloned); |
| return cloned; |
| } |
| |
| @Override |
| public void reflectWith(AttributeReflector reflector) { |
| reflector.reflect(MorphosyntacticTagsAttribute.class, "tags", tags); |
| } |
| } |