ClassIntrospector (jackson-databind 2.9.9.3)

java.lang.Object
- com.fasterxml.jackson.databind.introspect.ClassIntrospector

Direct Known Subclasses:

BasicClassIntrospector
```
public abstract class ClassIntrospector
extends Object
```
Helper class used to introspect features of POJO value classes used with Jackson. The main use is for finding out POJO construction (creator) and value access (getters, setters) methods and annotations that define configuration of using those methods.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static interface`	`ClassIntrospector.MixInResolver` Interface used for decoupling details of how mix-in annotation definitions are accessed (via this interface), and how they are stored (defined by classes that implement the interface)

Constructor Summary

Constructors
Modifier Constructor and Description

protected ClassIntrospector()

Constructors
Modifier	Constructor and Description
`protected`	`ClassIntrospector()`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`abstract ClassIntrospector`	`copy()` Method that may be needed when `copy()`ing `ObjectMapper` instances.
`abstract BeanDescription`	`forClassAnnotations(MapperConfig<?> cfg, JavaType type, ClassIntrospector.MixInResolver r)` Factory method that constructs an introspector that only has information regarding annotations class itself (or its supertypes) has, but nothing on methods or constructors.
`abstract BeanDescription`	`forCreation(DeserializationConfig cfg, JavaType type, ClassIntrospector.MixInResolver r)` Factory method that constructs an introspector that has information necessary for creating instances of given class ("creator"), as well as class annotations, but no information on member methods
`abstract BeanDescription`	`forDeserialization(DeserializationConfig cfg, JavaType type, ClassIntrospector.MixInResolver r)` Factory method that constructs an introspector that has all information needed for deserialization purposes.
`abstract BeanDescription`	`forDeserializationWithBuilder(DeserializationConfig cfg, JavaType type, ClassIntrospector.MixInResolver r)` Factory method that constructs an introspector that has all information needed for constructing deserializers that use intermediate Builder objects.
`abstract BeanDescription`	`forDirectClassAnnotations(MapperConfig<?> cfg, JavaType type, ClassIntrospector.MixInResolver r)` Factory method that constructs an introspector that only has information regarding annotations class itself has (but NOT including its supertypes), but nothing on methods or constructors.
`abstract BeanDescription`	`forSerialization(SerializationConfig cfg, JavaType type, ClassIntrospector.MixInResolver r)` Factory method that constructs an introspector that has all information needed for serialization purposes.

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

Constructor Detail
- ClassIntrospector
```
protected ClassIntrospector()
```

Method Detail

copy
```
public abstract ClassIntrospector copy()
```
Method that may be needed when `copy()`ing `ObjectMapper` instances.

Since:

2.9.6

forSerialization

public abstract BeanDescription forSerialization(SerializationConfig cfg,
                                                 JavaType type,
                                                 ClassIntrospector.MixInResolver r)

Factory method that constructs an introspector that has all information needed for serialization purposes.

forDeserialization

public abstract BeanDescription forDeserialization(DeserializationConfig cfg,
                                                   JavaType type,
                                                   ClassIntrospector.MixInResolver r)

Factory method that constructs an introspector that has all information needed for deserialization purposes.

forDeserializationWithBuilder

public abstract BeanDescription forDeserializationWithBuilder(DeserializationConfig cfg,
                                                              JavaType type,
                                                              ClassIntrospector.MixInResolver r)

Factory method that constructs an introspector that has all information needed for constructing deserializers that use intermediate Builder objects.

forCreation

public abstract BeanDescription forCreation(DeserializationConfig cfg,
                                            JavaType type,
                                            ClassIntrospector.MixInResolver r)

Factory method that constructs an introspector that has information necessary for creating instances of given class ("creator"), as well as class annotations, but no information on member methods

forClassAnnotations

public abstract BeanDescription forClassAnnotations(MapperConfig<?> cfg,
                                                    JavaType type,
                                                    ClassIntrospector.MixInResolver r)

Factory method that constructs an introspector that only has information regarding annotations class itself (or its supertypes) has, but nothing on methods or constructors.

forDirectClassAnnotations

public abstract BeanDescription forDirectClassAnnotations(MapperConfig<?> cfg,
                                                          JavaType type,
                                                          ClassIntrospector.MixInResolver r)

Factory method that constructs an introspector that only has information regarding annotations class itself has (but NOT including its supertypes), but nothing on methods or constructors.

Class ClassIntrospector

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ClassIntrospector