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• JsonEnumDefaultValue.java

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com.facebook.presto.jdbc.internal.jackson.annotation.JsonEnumDefaultValue Maven / Gradle / Ivy

package com.facebook.presto.jdbc.internal.jackson.annotation;

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

/**
 * Marker annotation that can be used to define a default value
 * used when trying to deserialize unknown Enum values.
 * 

 * This annotation is only applicable when the @READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE
 * deserialization feature is enabled.
 * 

 * If the more than one enum value is marked with this annotation,
 * the first one to be detected will be used. Which one exactly is undetermined.
 */
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@JacksonAnnotation
public @interface JsonEnumDefaultValue
{

}