# Uses of Package
com.fasterxml.jackson.databind.deser.impl

Packages that use com.fasterxml.jackson.databind.deser.impl
Package | Description
--- | ---
com.fasterxml.jackson.databind | Basic data binding (mapping) functionality that allows for reading JSON content into Java Objects (POJOs) and JSON Trees (`JsonNode`), as well as writing Java Objects and trees as JSON.
com.fasterxml.jackson.databind.deser | Contains implementation classes of deserialization part of data binding.
com.fasterxml.jackson.databind.deser.impl | Contains those implementation classes of deserialization part of data binding that are not considered part of public or semi-public interfaces.
com.fasterxml.jackson.databind.deser.std | Contains public standard implementations of abstraction that Jackson uses.

Classes in com.fasterxml.jackson.databind.deser.impl used by com.fasterxml.jackson.databind
Class and Description
ObjectIdReader Object that knows how to deserialize Object Ids.
ReadableObjectId Simple value container for containing information about single Object Id during deserialization

Classes in com.fasterxml.jackson.databind.deser.impl used by com.fasterxml.jackson.databind.deser
Class and Description
BeanPropertyMap Helper class used for storing mapping from property name to `SettableBeanProperty` instances.
CreatorCollector Container class for storing information on creators (based on annotations, visibility), to be able to build actual instantiator later on.
ExternalTypeHandler Helper class that is used to flatten JSON structure when using "external type id" (see `JsonTypeInfo.As.EXTERNAL_PROPERTY`).
ObjectIdReader Object that knows how to deserialize Object Ids.
PropertyBasedCreator Object that is used to collect arguments for non-default creator (non-default-constructor, or argument-taking factory method) before creator can be called.
PropertyValueBuffer Simple container used for temporarily buffering a set of `PropertyValue`s.
ReadableObjectId Simple value container for containing information about single Object Id during deserialization
UnwrappedPropertyHandler Object that is responsible for handling acrobatics related to deserializing "unwrapped" values; sets of properties that are embedded (inlined) as properties of parent JSON object.
ValueInjector Class that encapsulates details of value injection that occurs before deserialization of a POJO.

Classes in com.fasterxml.jackson.databind.deser.impl used by com.fasterxml.jackson.databind.deser.impl
Class and Description
BeanPropertyMap Helper class used for storing mapping from property name to `SettableBeanProperty` instances.
ExternalTypeHandler Helper class that is used to flatten JSON structure when using "external type id" (see `JsonTypeInfo.As.EXTERNAL_PROPERTY`).
ExternalTypeHandler.Builder
FieldProperty This concrete sub-class implements property that is set directly assigning to a Field.
MergingSettableBeanProperty `SettableBeanProperty` implementation that will try to access value of the property first, and if non-null value found, pass that for update (using `JsonDeserializer.deserialize(com.fasterxml.jackson.core.JsonParser, com.fasterxml.jackson.databind.DeserializationContext, Object)`) instead of constructing a new value.
MethodProperty This concrete sub-class implements property that is set using regular "setter" method.
NullsConstantProvider Simple `NullValueProvider` that will always throw a `InvalidNullException` when a null is encountered.
NullsFailProvider Simple `NullValueProvider` that will always throw a `InvalidNullException` when a null is encountered.
ObjectIdReader Object that knows how to deserialize Object Ids.
ObjectIdReferenceProperty
ObjectIdValueProperty Specialized `SettableBeanProperty` implementation used for virtual property that represents Object Id that is used for some POJO types (or properties).
PropertyBasedCreator Object that is used to collect arguments for non-default creator (non-default-constructor, or argument-taking factory method) before creator can be called.
PropertyValue Base class for property values that need to be buffered during deserialization.
PropertyValueBuffer Simple container used for temporarily buffering a set of `PropertyValue`s.
ReadableObjectId.Referring
SetterlessProperty This concrete sub-class implements Collection or Map property that is indirectly by getting the property value and directly modifying it.
UnwrappedPropertyHandler Object that is responsible for handling acrobatics related to deserializing "unwrapped" values; sets of properties that are embedded (inlined) as properties of parent JSON object.

Classes in com.fasterxml.jackson.databind.deser.impl used by com.fasterxml.jackson.databind.deser.std
Class and Description
ObjectIdReader Object that knows how to deserialize Object Ids.
PropertyBasedCreator Object that is used to collect arguments for non-default creator (non-default-constructor, or argument-taking factory method) before creator can be called.
ReadableObjectId.Referring