com.google.common.cache

Class RemovalNotification<K,V>

java.lang.Object

com.google.common.cache.RemovalNotification<K,V>

All Implemented Interfaces:

java.util.Map.Entry<K,V>

@Beta
 @GwtCompatible
public final class RemovalNotification<K,V>
extends java.lang.Object
implements java.util.Map.Entry<K,V>

A notification of the removal of a single entry. The key and/or value may be null if they were already garbage collected.

Like other Map.Entry instances associated with CacheBuilder, this class holds strong references to the key and value, regardless of the type of references the cache may be using.

Since:

10.0

Field Summary

Fields

Modifier and Type	Field and Description
private RemovalCause	cause
private K	key
private static long	serialVersionUID
private V	value

Constructor Summary

Constructors

Constructor and Description
RemovalNotification(K key, V value, RemovalCause cause)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object object)
RemovalCause	getCause() Returns the cause for which the entry was removed.
K	getKey()
V	getValue()
int	hashCode()
V	setValue(V value)
java.lang.String	toString() Returns a string representation of the form {key}={value}.
boolean	wasEvicted() Returns true if there was an automatic removal due to eviction (the cause is neither RemovalCause.EXPLICIT nor RemovalCause.REPLACED).

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map.Entry

comparingByKey, comparingByKey, comparingByValue, comparingByValue

Field Detail

key

@Nullable
private final K key

value

@Nullable
private final V value

cause

private final RemovalCause cause

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

RemovalNotification

RemovalNotification(@Nullable
                    K key,
                    @Nullable
                    V value,
                    RemovalCause cause)

Method Detail

getCause

public RemovalCause getCause()

Returns the cause for which the entry was removed.

wasEvicted

public boolean wasEvicted()

Returns true if there was an automatic removal due to eviction (the cause is neither RemovalCause.EXPLICIT nor RemovalCause.REPLACED).

getKey

@Nullable
public K getKey()

Specified by:

getKey in interface java.util.Map.Entry<K,V>

getValue

@Nullable
public V getValue()

Specified by:

getValue in interface java.util.Map.Entry<K,V>

setValue

public final V setValue(V value)

Specified by:

setValue in interface java.util.Map.Entry<K,V>

equals

public boolean equals(@Nullable
                      java.lang.Object object)

Specified by:

equals in interface java.util.Map.Entry<K,V>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Map.Entry<K,V>

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Returns a string representation of the form {key}={value}.

Overrides:

toString in class java.lang.Object