Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".

Jackson Annotations Source Code files are provided in the source packge (jackson-annotations-2.14.0-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Annotations Source Code below:

⏎ com/fasterxml/jackson/annotation/JsonIdentityReference.java

package com.fasterxml.jackson.annotation;

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

/**
 * Optional annotation that can be used for customizing details of a reference
 * to Objects for which "Object Identity" is enabled (see {@link JsonIdentityInfo}).
 * The main use case is that of enforcing use of Object Id even for the first
 * time an Object is referenced, instead of first instance being serialized
 * as full POJO.
 *
 * @since 2.1
 */
@Target({ElementType.ANNOTATION_TYPE, ElementType.TYPE,
    ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
@JacksonAnnotation
public @interface JsonIdentityReference
{
    /**
     * Marker to indicate whether all referenced values are to
     * be serialized as ids (true); or by serializing the
     * first encountered reference as POJO and only then as id (false).
     *<p>
     * Note that if value of 'true' is used, deserialization may require
     * additional contextual information, and possibly using a custom
     * id resolver -- the default handling may not be sufficient.
     * 
     * @since 2.1
     */
    public boolean alwaysAsId() default false;
}

⏎ com/fasterxml/jackson/annotation/JsonIdentityReference.java

Or download all of them as a single archive file:

File name: jackson-annotations-2.14.0-sources.jar
File size: 80402 bytes
Release date: 2022-11-05
Download 

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