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.

    {  
        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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    public final void setMixInAnnotations(Map<Class<?>, Class<?>> sourceMixins)
    {
        _mixInAnnotations.clear();
        if (sourceMixins != null && sourceMixins.size() > 0) {
            for (Map.Entry<Class<?>,Class<?>> en : sourceMixins.entrySet()) {
                _mixInAnnotations.put(new ClassKey(en.getKey()), en.getValue());
            }
        }
    }

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     * @param mixinSource Class (or interface) whose annotations are to
     *   be "added" to target's annotations, overriding as necessary
     */
    public final void addMixInAnnotations(Class<?> target, Class<?> mixinSource)
    {
        _mixInAnnotations.put(new ClassKey(target), mixinSource);
    }

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    {
        _mixInAnnotations.put(new ClassKey(target), mixinSource);
    }


    public final Class<?> findMixInClassFor(Class<?> cls) {
        return (_mixInAnnotations == null) ? null : _mixInAnnotations.get(new ClassKey(cls));
    }

View Full Code Here

    {  
        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;
    }

View Full Code Here

    {  
        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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    public SimpleKeyDeserializers addDeserializer(Class<?> forClass, KeyDeserializer deser)
    {
        if (_classMappings == null) {
            _classMappings = new HashMap<ClassKey,KeyDeserializer>();
        }
        _classMappings.put(new ClassKey(forClass), deser);
        return this;
    }

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            DeserializationConfig config, BeanDescription beanDesc)
    {
        if (_classMappings == null) {
            return null;
        }
        return _classMappings.get(new ClassKey(type.getRawClass()));
    }

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


    public QName findRootName(Class<?> rootType, MapperConfig<?> config)
    {
        ClassKey key = new ClassKey(rootType);
        QName name;
        synchronized (_rootNames) {
            name = _rootNames.get(key);
        }
        if (name != null) {

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    public final void setMixInAnnotations(Map<Class<?>, Class<?>> sourceMixins)
    {
        _mixInAnnotations.clear();
        if (sourceMixins != null && sourceMixins.size() > 0) {
            for (Map.Entry<Class<?>,Class<?>> en : sourceMixins.entrySet()) {
                _mixInAnnotations.put(new ClassKey(en.getKey()), en.getValue());
            }
        }
    }

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