Examples of com.fasterxml.jackson.databind.type.ClassKey

Package com.fasterxml.jackson.databind.type

Examples of com.fasterxml.jackson.databind.type.ClassKey

com.fasterxml.jackson.databind.type.ClassKey
Key class, used as an efficient and accurate key for locating per-class values, such as {@link com.fasterxml.jackson.databind.JsonSerializer}s.
The reason for having a separate key class instead of directly using {@link Class} as key is mostlyto allow for redefining hashCode method -- for some strange reason, {@link Class} does notredefine {@link Object#hashCode} and thus uses identityhash, which is pretty slow. This makes key access using {@link Class} unnecessarily slow.
Note: since class is not strictly immutable, caller must know what it is doing, if changing field values.

    
    @Override
    public ValueInstantiator findValueInstantiator(DeserializationConfig config,
            BeanDescription beanDesc, ValueInstantiator defaultInstantiator)
    {
        ValueInstantiator inst = _classMappings.get(new ClassKey(beanDesc.getBeanClass()));
        return (inst == null) ? defaultInstantiator : inst;
    }

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        return findRootName(rootType.getRawClass(), config);
    }


    public synchronized SerializedString findRootName(Class<?> rootType, MapperConfig<?> config)
    {
        ClassKey key = new ClassKey(rootType);


        if (_rootNames == null) {
            _rootNames = new LRUMap<ClassKey,SerializedString>(20, 200);
        } else {
            SerializedString name = _rootNames.get(key);

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     * Method that will check if there are "mix-in" classes (with mix-in
     * annotations) for given class
     */
    @Override
    public final Class<?> findMixInClassFor(Class<?> cls) {
        return (_mixInAnnotations == null) ? null : _mixInAnnotations.get(new ClassKey(cls));
    }

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        return findRootName(rootType.getRawClass(), config);
    }


    public SerializedString findRootName(Class<?> rootType, MapperConfig<?> config)
    {
        ClassKey key = new ClassKey(rootType);


        synchronized (this) {
            if (_rootNames == null) {
                _rootNames = new LRUMap<ClassKey,SerializedString>(20, 200);
            } else {

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    {  
        JsonDeserializer<Object> subDeser;


        // First: maybe we have already created sub-type deserializer?
        synchronized (this) {
            subDeser = (_subDeserializers == null) ? null : _subDeserializers.get(new ClassKey(bean.getClass()));
        }
        if (subDeser != null) {
            return subDeser;
        }
        // If not, maybe we can locate one. First, need provider
        JavaType type = ctxt.constructType(bean.getClass());
        /* 30-Jan-2012, tatu: Ideally we would be passing referring
         *   property; which in theory we could keep track of via
         *   ResolvableDeserializer (if we absolutely must...).
         *   But for now, let's not bother.
         */
//        subDeser = ctxt.findValueDeserializer(type, _property);
        subDeser = ctxt.findRootValueDeserializer(type);
        // Also, need to cache it
        if (subDeser != null) {
            synchronized (this) {
                if (_subDeserializers == null) {
                    _subDeserializers = new HashMap<ClassKey,JsonDeserializer<Object>>();;
                }
                _subDeserializers.put(new ClassKey(bean.getClass()), subDeser);
            }            
        }
        return subDeser;
    }

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     * Method that will check if there are "mix-in" classes (with mix-in
     * annotations) for given class
     */
//  @Override
    public final Class<?> findMixInClassFor(Class<?> cls) {
        return (_mixInAnnotations == null) ? null : _mixInAnnotations.get(new ClassKey(cls));
    }

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            JavaType type)
        throws JsonMappingException
    {
        Class<?> cls = type.getRawClass();
        // note: we do NOT check for custom deserializers here; that's for sub-class to do
        JsonDeserializer<Object> deser = _simpleDeserializers.get(new ClassKey(cls));
        if (deser != null) {
            return deser;
        }
        
        // [JACKSON-283]: AtomicReference is a rather special type...

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    {  
        JsonDeserializer<Object> subDeser;


        // First: maybe we have already created sub-type deserializer?
        synchronized (this) {
            subDeser = (_subDeserializers == null) ? null : _subDeserializers.get(new ClassKey(bean.getClass()));
        }
        if (subDeser != null) {
            return subDeser;
        }
        // If not, maybe we can locate one. First, need provider
        JavaType type = ctxt.constructType(bean.getClass());
        /* 30-Jan-2012, tatu: Ideally we would be passing referring
         *   property; which in theory we could keep track of via
         *   ResolvableDeserializer (if we absolutely must...).
         *   But for now, let's not bother.
         */
//        subDeser = ctxt.findValueDeserializer(type, _property);
        subDeser = ctxt.findRootValueDeserializer(type);
        // Also, need to cache it
        if (subDeser != null) {
            synchronized (this) {
                if (_subDeserializers == null) {
                    _subDeserializers = new HashMap<ClassKey,JsonDeserializer<Object>>();;
                }
                _subDeserializers.put(new ClassKey(bean.getClass()), subDeser);
            }            
        }
        return subDeser;
    }

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        return findRootName(rootType.getRawClass(), config);
    }


    public synchronized SerializedString findRootName(Class<?> rootType, MapperConfig<?> config)
    {
        ClassKey key = new ClassKey(rootType);


        if (_rootNames == null) {
            _rootNames = new LRUMap<ClassKey,SerializedString>(20, 200);
        } else {
            SerializedString name = _rootNames.get(key);

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        }
    }


    private void _addSerializer(Class<?> cls, JsonSerializer<?> ser)
    {
        ClassKey key = new ClassKey(cls);
        // Interface or class type?
        if (cls.isInterface()) {
            if (_interfaceMappings == null) {
                _interfaceMappings = new HashMap<ClassKey,JsonSerializer<?>>();
            }

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