| /* |
| * 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.nlp.model.tag; |
| |
| import org.apache.stanbol.enhancer.nlp.pos.PosTag; |
| |
| |
| public abstract class Tag<T extends Tag<T>> { //lol ??!! is that how to define T |
| |
| |
| protected final String tag; |
| private TagSet<T> annotationModel; |
| |
| /** |
| * Creates a PosTag for the given String |
| * @param tag the tag |
| * @throws IllegalArgumentException if the parsed tag is <code>null</code> |
| * or empty. |
| */ |
| public Tag(String tag){ |
| if(tag == null || tag.isEmpty()){ |
| throw new IllegalArgumentException("The tag MUST NOT be NULL!"); |
| } |
| this.tag = tag; |
| } |
| |
| public final String getTag() { |
| return tag; |
| } |
| /** |
| * @return the annotationModel |
| */ |
| public final TagSet<T> getAnnotationModel() { |
| return annotationModel; |
| } |
| /** |
| * Used by the {@link TagSet} class to assign itself to an PosTag |
| * that is {@link TagSet#addTag(PosTag) added}. |
| * @param annotationModel the annotationModel to set |
| */ |
| protected final void setAnnotationModel(TagSet<T> annotationModel) { |
| this.annotationModel = annotationModel; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("%s %s ", getClass().getSimpleName(), tag); |
| } |
| |
| @Override |
| public int hashCode() { |
| return tag.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if(obj instanceof Tag && tag.equals(((Tag<?>)obj).tag)){ |
| return (annotationModel == null && ((Tag<?>)obj).annotationModel == null) || |
| (annotationModel != null && annotationModel.equals(((Tag<?>)obj).annotationModel)); |
| } else { |
| return false; |
| } |
| } |
| } |