BeanDeserializerBuilder (jackson-databind 2.9.9.3 API)

java.lang.Object
- com.fasterxml.jackson.databind.deser.BeanDeserializerBuilder

```
public class BeanDeserializerBuilder
extends Object
```
Builder class used for aggregating deserialization information about a POJO, in order to build a JsonDeserializer for deserializing instances.

Field Summary

Fields
Modifier and Type	Field and Description
`protected SettableAnyProperty`	`_anySetter` Fallback setter used for handling any properties that are not mapped to regular setters.
`protected HashMap<String,SettableBeanProperty>`	`_backRefProperties` Back-reference properties this bean contains (if any)
`protected BeanDescription`	`_beanDesc` Introspected information about POJO for deserializer to handle
`protected JsonPOJOBuilder.Value`	`_builderConfig` In addition, Builder may have additional configuration
`protected AnnotatedMethod`	`_buildMethod` When creating Builder-based deserializers, this indicates method to call on builder to finalize value.
`protected DeserializationConfig`	`_config`
`protected DeserializationContext`	`_context`
`protected HashSet<String>`	`_ignorableProps` Set of names of properties that are recognized but are to be ignored for deserialization purposes (meaning no exception is thrown, value is just skipped).
`protected boolean`	`_ignoreAllUnknown` Flag that can be set to ignore and skip unknown properties.
`protected List<ValueInjector>`	`_injectables` Value injectors for deserialization
`protected ObjectIdReader`	`_objectIdReader` Handler for Object Id values, if Object Ids are enabled for the bean type.
`protected Map<String,SettableBeanProperty>`	`_properties` Properties to deserialize collected so far.
`protected ValueInstantiator`	`_valueInstantiator` Object that will handle value instantiation for the bean type.

Constructor Summary

Constructors
Modifier	Constructor and Description
	`BeanDeserializerBuilder(BeanDescription beanDesc, DeserializationContext ctxt)`
`protected`	`BeanDeserializerBuilder(BeanDeserializerBuilder src)` Copy constructor for sub-classes to use, when constructing custom builder instances

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected Map<String,List<PropertyName>>`	`_collectAliases(Collection<SettableBeanProperty> props)`
`protected void`	`_fixAccess(Collection<SettableBeanProperty> mainProps)`
`void`	`addBackReferenceProperty(String referenceName, SettableBeanProperty prop)` Method called to add a property that represents so-called back reference; reference that "points back" to object that has forward reference to currently built bean.
`void`	`addCreatorProperty(SettableBeanProperty prop)` Method called by deserializer factory, when a "creator property" (something that is passed via constructor- or factory method argument; instead of setter or field).
`void`	`addIgnorable(String propName)` Method that will add property name as one of properties that can be ignored if not recognized.
`void`	`addInjectable(PropertyName propName, JavaType propType, Annotations contextAnnotations, AnnotatedMember member, Object valueId)`
`void`	`addOrReplaceProperty(SettableBeanProperty prop, boolean allowOverride)` Method for adding a new property or replacing a property.
`void`	`addProperty(SettableBeanProperty prop)` Method to add a property setter.
`JsonDeserializer<?>`	`build()` Method for constructing a `BeanDeserializer`, given all information collected.
`AbstractDeserializer`	`buildAbstract()` Alternate build method used when we must be using some form of abstract resolution, usually by using addition Type Id ("polymorphic deserialization")
`JsonDeserializer<?>`	`buildBuilderBased(JavaType valueType, String expBuildMethodName)` Method for constructing a specialized deserializer that uses additional external Builder object during data binding.
`SettableBeanProperty`	`findProperty(PropertyName propertyName)`
`SettableAnyProperty`	`getAnySetter()`
`JsonPOJOBuilder.Value`	`getBuilderConfig()`
`AnnotatedMethod`	`getBuildMethod()`
`List<ValueInjector>`	`getInjectables()`
`ObjectIdReader`	`getObjectIdReader()`
`Iterator<SettableBeanProperty>`	`getProperties()` Method that allows accessing all properties that this builder currently contains.
`ValueInstantiator`	`getValueInstantiator()`
`boolean`	`hasIgnorable(String name)`
`boolean`	`hasProperty(PropertyName propertyName)`
`SettableBeanProperty`	`removeProperty(PropertyName name)`
`void`	`setAnySetter(SettableAnyProperty s)`
`void`	`setIgnoreUnknownProperties(boolean ignore)`
`void`	`setObjectIdReader(ObjectIdReader r)`
`void`	`setPOJOBuilder(AnnotatedMethod buildMethod, JsonPOJOBuilder.Value config)`
`void`	`setValueInstantiator(ValueInstantiator inst)`

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

- Field Detail
  - _config
```
protected final DeserializationConfig _config
```
  - _context
```
protected final DeserializationContext _context
```
    Since:
    
    2.9
  - _beanDesc
```
protected final BeanDescription _beanDesc
```
    Introspected information about POJO for deserializer to handle
  - _properties
```
protected final Map<String,SettableBeanProperty> _properties
```
    Properties to deserialize collected so far.
  - _injectables
```
protected List<ValueInjector> _injectables
```
    Value injectors for deserialization
  - _backRefProperties
```
protected HashMap<String,SettableBeanProperty> _backRefProperties
```
    Back-reference properties this bean contains (if any)
  - _ignorableProps
```
protected HashSet<String> _ignorableProps
```
    Set of names of properties that are recognized but are to be ignored for deserialization purposes (meaning no exception is thrown, value is just skipped).
  - _valueInstantiator
```
protected ValueInstantiator _valueInstantiator
```
    Object that will handle value instantiation for the bean type.
  - _objectIdReader
```
protected ObjectIdReader _objectIdReader
```
    Handler for Object Id values, if Object Ids are enabled for the bean type.
  - _anySetter
```
protected SettableAnyProperty _anySetter
```
    Fallback setter used for handling any properties that are not mapped to regular setters. If setter is not null, it will be called once for each such property.
  - _ignoreAllUnknown
```
protected boolean _ignoreAllUnknown
```
    Flag that can be set to ignore and skip unknown properties. If set, will not throw an exception for unknown properties.
  - _buildMethod
```
protected AnnotatedMethod _buildMethod
```
    When creating Builder-based deserializers, this indicates method to call on builder to finalize value.
  - _builderConfig
```
protected JsonPOJOBuilder.Value _builderConfig
```
    In addition, Builder may have additional configuration
- Constructor Detail
  - BeanDeserializerBuilder
```
public BeanDeserializerBuilder(BeanDescription beanDesc,
                               DeserializationContext ctxt)
```
  - BeanDeserializerBuilder
```
protected BeanDeserializerBuilder(BeanDeserializerBuilder src)
```
    Copy constructor for sub-classes to use, when constructing custom builder instances
- Method Detail
  - addOrReplaceProperty
```
public void addOrReplaceProperty(SettableBeanProperty prop,
                                 boolean allowOverride)
```
    Method for adding a new property or replacing a property.
  - addProperty
```
public void addProperty(SettableBeanProperty prop)
```
    Method to add a property setter. Will ensure that there is no unexpected override; if one is found will throw a IllegalArgumentException.
  - addBackReferenceProperty
```
public void addBackReferenceProperty(String referenceName,
                                     SettableBeanProperty prop)
```
    Method called to add a property that represents so-called back reference; reference that "points back" to object that has forward reference to currently built bean.
  - addInjectable
```
public void addInjectable(PropertyName propName,
                          JavaType propType,
                          Annotations contextAnnotations,
                          AnnotatedMember member,
                          Object valueId)
```
  - addIgnorable
```
public void addIgnorable(String propName)
```
    Method that will add property name as one of properties that can be ignored if not recognized.
  - addCreatorProperty
```
public void addCreatorProperty(SettableBeanProperty prop)
```
    Method called by deserializer factory, when a "creator property" (something that is passed via constructor- or factory method argument; instead of setter or field).
    Default implementation does not do anything; we may need to revisit this decision if these properties need to be available through accessors. For now, however, we just have to ensure that we don't try to resolve types that masked setter/field has (see [JACKSON-700] for details).
  - setAnySetter
```
public void setAnySetter(SettableAnyProperty s)
```
  - setIgnoreUnknownProperties
```
public void setIgnoreUnknownProperties(boolean ignore)
```
  - setValueInstantiator
```
public void setValueInstantiator(ValueInstantiator inst)
```
  - setObjectIdReader
```
public void setObjectIdReader(ObjectIdReader r)
```
  - setPOJOBuilder
```
public void setPOJOBuilder(AnnotatedMethod buildMethod,
                           JsonPOJOBuilder.Value config)
```
  - getProperties
```
public Iterator<SettableBeanProperty> getProperties()
```
    Method that allows accessing all properties that this builder currently contains.
    Note that properties are returned in order that properties are ordered (explictly, or by rule), which is the serialization order.
  - findProperty
```
public SettableBeanProperty findProperty(PropertyName propertyName)
```
  - hasProperty
```
public boolean hasProperty(PropertyName propertyName)
```
  - removeProperty
```
public SettableBeanProperty removeProperty(PropertyName name)
```
  - getAnySetter
```
public SettableAnyProperty getAnySetter()
```
  - getValueInstantiator
```
public ValueInstantiator getValueInstantiator()
```
  - getInjectables
```
public List<ValueInjector> getInjectables()
```
  - getObjectIdReader
```
public ObjectIdReader getObjectIdReader()
```
  - getBuildMethod
```
public AnnotatedMethod getBuildMethod()
```
  - getBuilderConfig
```
public JsonPOJOBuilder.Value getBuilderConfig()
```
  - hasIgnorable
```
public boolean hasIgnorable(String name)
```
    Since:
    
    2.9.4
  - build
```
public JsonDeserializer<?> build()
```
    Method for constructing a BeanDeserializer, given all information collected.
  - buildAbstract
```
public AbstractDeserializer buildAbstract()
```
    Alternate build method used when we must be using some form of abstract resolution, usually by using addition Type Id ("polymorphic deserialization")
    
    Since:
    
    2.0
  - buildBuilderBased
```
public JsonDeserializer<?> buildBuilderBased(JavaType valueType,
                                             String expBuildMethodName)
                                      throws JsonMappingException
```
    Method for constructing a specialized deserializer that uses additional external Builder object during data binding.
    
    Throws:
    
    JsonMappingException
  - _fixAccess
```
protected void _fixAccess(Collection<SettableBeanProperty> mainProps)
```
  - _collectAliases
```
protected Map<String,List<PropertyName>> _collectAliases(Collection<SettableBeanProperty> props)
```

Class BeanDeserializerBuilder

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

_config

_context

_beanDesc

_properties

_injectables

_backRefProperties

_ignorableProps

_valueInstantiator

_objectIdReader

_anySetter

_ignoreAllUnknown

_buildMethod

_builderConfig

Constructor Detail

BeanDeserializerBuilder

BeanDeserializerBuilder

Method Detail

addOrReplaceProperty

addProperty

addBackReferenceProperty

addInjectable

addIgnorable

addCreatorProperty

setAnySetter

setIgnoreUnknownProperties

setValueInstantiator

setObjectIdReader

setPOJOBuilder

getProperties

findProperty

hasProperty

removeProperty

getAnySetter

getValueInstantiator

getInjectables

getObjectIdReader

getBuildMethod

getBuilderConfig

hasIgnorable

build

buildAbstract

buildBuilderBased

_fixAccess

_collectAliases