001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.ml.annotation;
031
032import org.openimaj.experiment.evaluation.classification.BasicClassificationResult;
033import org.openimaj.experiment.evaluation.classification.ClassificationResult;
034
035/**
036 * Abstract base class for objects capable of annotating things. Implementors
037 * should consider extending {@link BatchAnnotator} or
038 * {@link IncrementalAnnotator} instead of subclassing {@link AbstractAnnotator}
039 * directly.
040 * 
041 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
042 * 
043 * @param <OBJECT>
044 *            Type of object being annotated
045 * @param <ANNOTATION>
046 *            Type of annotation
047 */
048public abstract class AbstractAnnotator<OBJECT, ANNOTATION>
049                implements
050                Annotator<OBJECT, ANNOTATION>
051{
052        protected AbstractAnnotator() {
053        }
054
055        @Override
056        public ClassificationResult<ANNOTATION> classify(OBJECT object) {
057                final BasicClassificationResult<ANNOTATION> res = new BasicClassificationResult<ANNOTATION>();
058
059                for (final ScoredAnnotation<ANNOTATION> anno : this.annotate(object)) {
060                        res.put(anno.annotation, anno.confidence);
061                }
062
063                return res;
064        }
065}