org.springframework.data.util

Class CacheValue<T>

java.lang.Object

org.springframework.data.util.CacheValue<T>

public class CacheValue<T>
extends Object

Wrapper to safely store null values in the value cache.

Author:

Patryk Wasik, Oliver Gierke, Thomas Darimont

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
T	getValue() Returns the actual underlying value.
int	hashCode()
boolean	hasValue(T value) Returns whether the cached value has the given actual value.
boolean	isPresent() Returns whether the cached value has an actual value.
static <T> CacheValue<T>	ofNullable(T value) Returns a new CacheValue for the given value.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Method Detail

getValue

public T getValue()

Returns the actual underlying value.

Returns:

isPresent

public boolean isPresent()

Returns whether the cached value has an actual value.

Returns:

hasValue

public boolean hasValue(T value)

Returns whether the cached value has the given actual value.

Parameters:

value - can be null;

Returns:

ofNullable

public static <T> CacheValue<T> ofNullable(T value)

Returns a new CacheValue for the given value.

Parameters:

value - can be null.

Returns:

will never be null.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object