org.bson.codecs.pojo.annotations.BsonDiscriminator Maven / Gradle / Ivy
/*
* Copyright 2017 MongoDB, Inc.
*
* 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.bson.codecs.pojo.annotations;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* An annotation that configures the discriminator key and value for a class.
*
* Note: Requires the {@link org.bson.codecs.pojo.Conventions#ANNOTATION_CONVENTION}
*
* @since 3.5
* @see org.bson.codecs.pojo.Conventions#ANNOTATION_CONVENTION
*/
@Inherited
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface BsonDiscriminator {
/**
* @return the discriminator value to use for this type.
*/
String value() default "";
/**
* @return the discriminator key to use for this type.
*/
String key() default "_t";
}