ObjectIdMap (jackson-databind 2.3.5)

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

Methods
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, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap
toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- 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)
```

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