Jackson Data Binding Source Code

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

  • Jackson Data Binding module allows you to converts JSON to and from POJO (Plain Old Java Object) using property accessor or using annotations.
  • Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.12.4-sources.jar). You can download it at Jackson Maven Website.

    You can also browse Jackson Databind Source Code below:

    ✍: FYIcenter.com

    com/fasterxml/jackson/databind/util/LookupCache.java

    package com.fasterxml.jackson.databind.util;
    
    /**
     * An interface describing the required API for the Jackson-databind Type cache.
     *<p>
     * Note that while interface itself does not specify synchronization requirements for
     * implementations, specific use cases do. Typically implementations are
     * expected to be thread-safe, that is, to handle synchronization.
     *
     * @since 2.12 (for forwards-compatiblity with 3.0)
     */
    public interface LookupCache <K,V>
    {
        /**
         * @return Number of entries currently in cache: may be approximate, only
         *    to be used for diagnostics, metrics reporting
         */
        int size();
    
        /**
         * NOTE: key is of type Object only to retain binary backwards-compatibility
         *
         * @param key
         * @return value associated with key (can return null)
         */
        V get(Object key);
    
        V put(K key, V value);
    
        V putIfAbsent(K key, V value);
    
        /**
         * Method for removing all contents this cache has.
         */
        void clear();
    }
    

    com/fasterxml/jackson/databind/util/LookupCache.java

     

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    2022-03-29, 32032👍, 0💬