Externalize.java example

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jboss-marshalling-master
/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 org.jboss.marshalling;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Documented;

/**
 * Indicate that this class should be externalized by an instance of the given externalizer class.  Any externalizer
 * provided by a {@link org.jboss.marshalling.ClassExternalizerFactory ClassExternalizerFactory} will typically take
 * precedence over the externalizer specified by this annotation.
 *
 * @apiviz.exclude
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Inherited
@Documented
public @interface Externalize {

    /**
     * Specify the externalizer class to be used by the annotated class.
     *
     * @return the externalizer type
     */
    Class<? extends Externalizer> value();
}