com.fasterxml.jackson.databind.deser.impl

Class BeanPropertyMap

java.lang.Object

com.fasterxml.jackson.databind.deser.impl.BeanPropertyMap

All Implemented Interfaces:

Serializable, Iterable<SettableBeanProperty>

public final class BeanPropertyMap
extends Object
implements Iterable<SettableBeanProperty>, Serializable

Helper class used for storing mapping from property name to SettableBeanProperty instances.

Note that this class is used instead of generic HashMap for bit of performance gain (and some memory savings): although default implementation is very good for generic use cases, it can be streamlined a bit for specific use case we have. Even relatively small improvements matter since this is directly on the critical path during deserialization, as it is done for each and every POJO property deserialized.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BeanPropertyMap(Collection<SettableBeanProperty> properties, boolean caseInsensitivePropertyComparison)

Method Summary

Methods

Modifier and Type	Method and Description
BeanPropertyMap	assignIndexes()
SettableBeanProperty	find(int propertyIndex)
SettableBeanProperty	find(String key)
boolean	findDeserializeAndSet(com.fasterxml.jackson.core.JsonParser p, DeserializationContext ctxt, Object bean, String key) Convenience method that tries to find property with given name, and if it is found, call SettableBeanProperty.deserializeAndSet(com.fasterxml.jackson.core.JsonParser, com.fasterxml.jackson.databind.DeserializationContext, java.lang.Object) on it, and return true; or, if not found, return false.
SettableBeanProperty[]	getPropertiesInInsertionOrder() Method that will re-create initial insertion-ordering of properties contained in this map.
Iterator<SettableBeanProperty>	iterator() Accessor for traversing over all contained properties.
void	remove(SettableBeanProperty property) Specialized method for removing specified existing entry.
BeanPropertyMap	renameAll(NameTransformer transformer) Factory method for constructing a map where all entries use given prefix
void	replace(SettableBeanProperty property) Specialized method that can be used to replace an existing entry (note: entry MUST exist; otherwise exception is thrown) with specified replacement.
int	size()
String	toString()
BeanPropertyMap	withProperty(SettableBeanProperty newProperty) Fluent copy method that creates a new instance that is a copy of this instance except for one additional property that is passed as the argument.
protected void	wrapAndThrow(Throwable t, Object bean, String fieldName, DeserializationContext ctxt)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

BeanPropertyMap

public BeanPropertyMap(Collection<SettableBeanProperty> properties,
               boolean caseInsensitivePropertyComparison)

Method Detail

withProperty

public BeanPropertyMap withProperty(SettableBeanProperty newProperty)

Fluent copy method that creates a new instance that is a copy of this instance except for one additional property that is passed as the argument. Note that method does not modify this instance but constructs and returns a new one.

Since:

2.0

renameAll

public BeanPropertyMap renameAll(NameTransformer transformer)

Factory method for constructing a map where all entries use given prefix

assignIndexes

public BeanPropertyMap assignIndexes()

toString

public String toString()

Overrides:

toString in class Object

iterator

public Iterator<SettableBeanProperty> iterator()

Accessor for traversing over all contained properties.

Specified by:

iterator in interface Iterable<SettableBeanProperty>

getPropertiesInInsertionOrder

public SettableBeanProperty[] getPropertiesInInsertionOrder()

Method that will re-create initial insertion-ordering of properties contained in this map. Note that if properties have been removed, array may contain nulls; otherwise it should be consecutive.

Since:

2.1

size

public int size()

find

public SettableBeanProperty find(String key)

findDeserializeAndSet

public boolean findDeserializeAndSet(com.fasterxml.jackson.core.JsonParser p,
                            DeserializationContext ctxt,
                            Object bean,
                            String key)
                              throws IOException

Convenience method that tries to find property with given name, and if it is found, call SettableBeanProperty.deserializeAndSet(com.fasterxml.jackson.core.JsonParser, com.fasterxml.jackson.databind.DeserializationContext, java.lang.Object) on it, and return true; or, if not found, return false. Note, too, that if deserialization is attempted, possible exceptions are wrapped if and as necessary, so caller need not handle those.

Throws:

IOException

Since:

2.5

find

public SettableBeanProperty find(int propertyIndex)

Since:

2.3

replace

public void replace(SettableBeanProperty property)

Specialized method that can be used to replace an existing entry (note: entry MUST exist; otherwise exception is thrown) with specified replacement.

remove

public void remove(SettableBeanProperty property)

Specialized method for removing specified existing entry. NOTE: entry MUST exist, otherwise an exception is thrown.

wrapAndThrow

protected void wrapAndThrow(Throwable t,
                Object bean,
                String fieldName,
                DeserializationContext ctxt)
                     throws IOException

Throws:

IOException

Since:

2.5