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## com.fasterxml.jackson.databind
Class ObjectMapper.DefaultTypeResolverBuilder

    java.lang.Object
      com.fasterxml.jackson.databind.jsontype.impl.StdTypeResolverBuilder
          com.fasterxml.jackson.databind.ObjectMapper.DefaultTypeResolverBuilder

All Implemented Interfaces:
  TypeResolverBuilder<StdTypeResolverBuilder>

Enclosing class:
  ObjectMapper

    public static class ObjectMapper.DefaultTypeResolverBuilder

extends StdTypeResolverBuilder

Customized `TypeResolverBuilder` that provides type resolver builders used with so-called "default typing" (see `ObjectMapper.enableDefaultTyping()` for details).

Type resolver construction is based on configuration: implementation takes care of only providing builders in cases where type information should be applied. This is important since build calls may be sent for any and all types, and type information should NOT be applied to all of them.

Field Summary
`protected ObjectMapper.DefaultTyping` | `_appliesFor` Definition of what types is this default typer valid for.

Fields inherited from class com.fasterxml.jackson.databind.jsontype.impl.StdTypeResolverBuilder
`_customIdResolver, _defaultImpl, _idType, _includeAs, _typeIdVisible, _typeProperty`

Constructor Summary
`ObjectMapper.DefaultTypeResolverBuilder(ObjectMapper.DefaultTyping t)`

Method Summary
`TypeDeserializer` | `buildTypeDeserializer(DeserializationConfig config, JavaType baseType, Collection<NamedType> subtypes)` Method for building type deserializer based on current configuration of this builder.
`TypeSerializer` | `buildTypeSerializer(SerializationConfig config, JavaType baseType, Collection<NamedType> subtypes)` Method for building type serializer based on current configuration of this builder.
`boolean` | `useForType(JavaType t)` Method called to check if the default type handler should be used for given type.

Methods inherited from class com.fasterxml.jackson.databind.jsontype.impl.StdTypeResolverBuilder
`defaultImpl, getDefaultImpl, getTypeProperty, idResolver, inclusion, init, isTypeIdVisible, noTypeInfoBuilder, typeIdVisibility, typeProperty`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### _appliesFor

    protected final ObjectMapper.DefaultTyping _appliesFor

  Definition of what types is this default typer valid for.

Constructor Detail

### ObjectMapper.DefaultTypeResolverBuilder

    public ObjectMapper.DefaultTypeResolverBuilder(ObjectMapper.DefaultTyping t)

Method Detail

### buildTypeDeserializer

    public TypeDeserializer buildTypeDeserializer(DeserializationConfig config,
                                                  JavaType baseType,
                                                  Collection<NamedType> subtypes)

  Description copied from interface: `TypeResolverBuilder`
  Method for building type deserializer based on current configuration of this builder.

  Specified by:
    `buildTypeDeserializer` in interface `TypeResolverBuilder<StdTypeResolverBuilder>`
  Overrides:
    `buildTypeDeserializer` in class `StdTypeResolverBuilder`
    `baseType` - Base type that constructed resolver will handle; super type of all types it will be used for.
    `subtypes` - Known subtypes of the base type.

### buildTypeSerializer

    public TypeSerializer buildTypeSerializer(SerializationConfig config,
                                              JavaType baseType,
                                              Collection<NamedType> subtypes)

  Description copied from interface: `TypeResolverBuilder`
  Method for building type serializer based on current configuration of this builder.

  Specified by:
    `buildTypeSerializer` in interface `TypeResolverBuilder<StdTypeResolverBuilder>`
  Overrides:
    `buildTypeSerializer` in class `StdTypeResolverBuilder`
    `baseType` - Base type that constructed resolver will handle; super type of all types it will be used for.

### useForType

    public boolean useForType(JavaType t)

  Method called to check if the default type handler should be used for given type. Note: "natural types" (String, Boolean, Integer, Double) will never use typing; that is both due to them being concrete and final, and since actual serializers and deserializers will also ignore any attempts to enforce typing.

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