NullValue (Spring Framework 5.2.12.RELEASE API)

java.lang.Object
- org.springframework.cache.support.NullValue

All Implemented Interfaces:
Serializable
```
public final class NullValue
extends Object
implements Serializable
```
Simple serializable class that serves as a null replacement for cache stores which otherwise do not support null values.
Since:
4.2.2
Author:
Juergen Hoeller
See Also:
AbstractValueAdaptingCache, Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`static Object`	`INSTANCE`	The canonical representation of a `null` replacement, as used by the default implementation of `AbstractValueAdaptingCache.toStoreValue(java.lang.Object)`/ `AbstractValueAdaptingCache.fromStoreValue(java.lang.Object)`.

Method Summary
All Methods Instance Methods Concrete Methods
Modifier and Type Method Description
boolean equals(Object obj)
int hashCode()
String toString()
- Methods inherited from class java.lang.Object
  clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - INSTANCE
```
public static final Object INSTANCE
```
    The canonical representation of a null replacement, as used by the default implementation of AbstractValueAdaptingCache.toStoreValue(java.lang.Object)/ AbstractValueAdaptingCache.fromStoreValue(java.lang.Object).
    Since:
    4.3.10
- Method Detail
  - equals
```
public boolean equals(@Nullable
                      Object obj)
```
    Overrides:
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    toString in class Object