Package com.fasterxml.jackson.databind.deser.std

Class AtomicReferenceDeserializer

java.lang.Object

com.fasterxml.jackson.databind.JsonDeserializer<T>

com.fasterxml.jackson.databind.deser.std.StdDeserializer<T>

com.fasterxml.jackson.databind.deser.std.ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

com.fasterxml.jackson.databind.deser.std.AtomicReferenceDeserializer

All Implemented Interfaces:

ContextualDeserializer, NullValueProvider, ValueInstantiator.Gettable, java.io.Serializable

public class AtomicReferenceDeserializer
extends ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonDeserializer

JsonDeserializer.None

Constructor Summary

Constructors

Constructor	Description
AtomicReferenceDeserializer(JavaType fullType, ValueInstantiator inst, TypeDeserializer typeDeser, JsonDeserializer<?> deser)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	getAbsentValue(DeserializationContext ctxt)	Let's actually NOT coerce missing Creator parameters into empty value.
java.lang.Object	getEmptyValue(DeserializationContext ctxt)	Method called to determine value to be used for "empty" values (most commonly when deserializing from empty JSON Strings).
java.util.concurrent.atomic.AtomicReference<java.lang.Object>	getNullValue(DeserializationContext ctxt)	Method that can be called to determine value to be used for representing null values (values deserialized when JSON token is JsonToken.VALUE_NULL).
java.lang.Object	getReferenced(java.util.concurrent.atomic.AtomicReference<java.lang.Object> reference)	Method that may be called to find contents of specified reference, if any; or `null` if none.
java.util.concurrent.atomic.AtomicReference<java.lang.Object>	referenceValue(java.lang.Object contents)
java.lang.Boolean	supportsUpdate(DeserializationConfig config)	By default we assume that updateability mostly relies on value deserializer; if it supports updates, typically that's what matters.
java.util.concurrent.atomic.AtomicReference<java.lang.Object>	updateReference(java.util.concurrent.atomic.AtomicReference<java.lang.Object> reference, java.lang.Object contents)	Method called in case of "merging update", in which we should try update reference instead of creating a new one.
AtomicReferenceDeserializer	withResolved(TypeDeserializer typeDeser, JsonDeserializer<?> valueDeser)

Methods inherited from class com.fasterxml.jackson.databind.deser.std.ReferenceTypeDeserializer

createContextual, deserialize, deserialize, deserializeWithType, getEmptyAccessPattern, getNullAccessPattern, getValueInstantiator, getValueType, logicalType

Methods inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

getValueClass, getValueType, handledType

Methods inherited from class com.fasterxml.jackson.databind.JsonDeserializer

deserializeWithType, findBackReference, getDelegatee, getEmptyValue, getKnownPropertyNames, getNullValue, getObjectIdReader, isCachable, replaceDelegatee, unwrappingDeserializer

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AtomicReferenceDeserializer

public AtomicReferenceDeserializer(JavaType fullType,
                                   ValueInstantiator inst,
                                   TypeDeserializer typeDeser,
                                   JsonDeserializer<?> deser)

Since:

2.9

Method Detail

withResolved

public AtomicReferenceDeserializer withResolved(TypeDeserializer typeDeser,
                                                JsonDeserializer<?> valueDeser)

getNullValue

public java.util.concurrent.atomic.AtomicReference<java.lang.Object> getNullValue(DeserializationContext ctxt)
                                                                           throws JsonMappingException

Description copied from class: JsonDeserializer

Method that can be called to determine value to be used for representing null values (values deserialized when JSON token is JsonToken.VALUE_NULL). Usually this is simply Java null, but for some types (especially primitives) it may be necessary to use non-null values.

This method may be called once, or multiple times, depending on what JsonDeserializer.getNullAccessPattern() returns.

Default implementation simply returns null.

Specified by:

getNullValue in interface NullValueProvider

Specified by:

getNullValue in class ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

Throws:

JsonMappingException

getEmptyValue

public java.lang.Object getEmptyValue(DeserializationContext ctxt)
                               throws JsonMappingException

Description copied from class: JsonDeserializer

Method called to determine value to be used for "empty" values (most commonly when deserializing from empty JSON Strings). Usually this is same as JsonDeserializer.getNullValue(com.fasterxml.jackson.databind.DeserializationContext) (which in turn is usually simply Java null), but it can be overridden for specific types. Or, if type should never be converted from empty String, method can also throw an exception.

This method may be called once, or multiple times, depending on what JsonDeserializer.getEmptyAccessPattern() returns.

Default implementation simply calls JsonDeserializer.getNullValue(com.fasterxml.jackson.databind.DeserializationContext) and returns value.

Overrides:

getEmptyValue in class ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

Throws:

JsonMappingException

getAbsentValue

public java.lang.Object getAbsentValue(DeserializationContext ctxt)
                                throws JsonMappingException

Let's actually NOT coerce missing Creator parameters into empty value.

Specified by:

getAbsentValue in interface NullValueProvider

Overrides:

getAbsentValue in class JsonDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

Throws:

JsonMappingException

referenceValue

public java.util.concurrent.atomic.AtomicReference<java.lang.Object> referenceValue(java.lang.Object contents)

Specified by:

referenceValue in class ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

getReferenced

public java.lang.Object getReferenced(java.util.concurrent.atomic.AtomicReference<java.lang.Object> reference)

Description copied from class: ReferenceTypeDeserializer

Method that may be called to find contents of specified reference, if any; or `null` if none. Note that method should never fail, so for types that use concept of "absence" vs "presence", `null` is to be returned for both "absent" and "reference to `null`" cases.

Specified by:

getReferenced in class ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

updateReference

public java.util.concurrent.atomic.AtomicReference<java.lang.Object> updateReference(java.util.concurrent.atomic.AtomicReference<java.lang.Object> reference,
                                                                                     java.lang.Object contents)

Description copied from class: ReferenceTypeDeserializer

Method called in case of "merging update", in which we should try update reference instead of creating a new one. If this does not succeed, should just create a new instance.

Specified by:

updateReference in class ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>

supportsUpdate

public java.lang.Boolean supportsUpdate(DeserializationConfig config)

Description copied from class: ReferenceTypeDeserializer

By default we assume that updateability mostly relies on value deserializer; if it supports updates, typically that's what matters. So let's just delegate.

Overrides:

supportsUpdate in class ReferenceTypeDeserializer<java.util.concurrent.atomic.AtomicReference<java.lang.Object>>