com.fasterxml.jackson.databind.util

Class ObjectIdMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.IdentityHashMap<Object,Object>

com.fasterxml.jackson.databind.util.ObjectIdMap

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

public class ObjectIdMap
extends IdentityHashMap<Object,Object>

Map used during serialization, to keep track of referable Objects along with lazily evaluated ids.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
ObjectIdMap()

Method Summary

Modifier and Type	Method and Description
Object	findId(Object pojo) Method that is called to figure out whether we have already seen given POJO: if yes, we will return its id (first looking it up as necessary); if not, we will mark down that we have seen it but return null.
void	insertId(Object pojo, Object id)

Methods inherited from class java.util.IdentityHashMap

clear, clone, containsKey, containsValue, entrySet, equals, forEach, get, hashCode, isEmpty, keySet, put, putAll, remove, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, getOrDefault, merge, putIfAbsent, remove, replace, replace

Constructor Detail

ObjectIdMap

public ObjectIdMap()

Method Detail

findId

public Object findId(Object pojo)

Method that is called to figure out whether we have already seen given POJO: if yes, we will return its id (first looking it up as necessary); if not, we will mark down that we have seen it but return null.

insertId

public void insertId(Object pojo,
                     Object id)