org.apache.bval.model.MetaAnnotated Maven / Gradle / Ivy

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/*
 *  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.bval.model;

import java.lang.annotation.Annotation;
import java.util.HashSet;
import java.util.Set;

import org.apache.bval.util.ObjectUtils;

public abstract class MetaAnnotated extends Meta {
    private static final long serialVersionUID = 1L;

    private Set annotations = new HashSet();
    private Annotation[] annArray = null;

    public Annotation[] getAnnotations() {
        if (annArray == null) {
            annArray = annotations.isEmpty() ? ObjectUtils.EMPTY_ANNOTATION_ARRAY
                : annotations.toArray(new Annotation[annotations.size()]);
        }
        return annArray;
    }

    public void addAnnotation(final Annotation annotation) {
        this.annotations.add(annotation);
        annArray = null;
    }

}