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RemovalCause (Guava: Google Core Libraries for Java 11.0.1 API)













    






    

    



    
  
    
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com.google.common.cache

    
Enum RemovalCause
    

    java.lang.Object
  extended by java.lang.Enum<RemovalCause>
      extended by com.google.common.cache.RemovalCause

    

    

    All Implemented Interfaces: 
    Serializable, Comparable<RemovalCause>
    

    

    

    

    @Beta
public enum RemovalCause
    extends Enum<RemovalCause>

    The reason why a cached entry was removed.

    Since:
    10.0
    Author:
    Charles Fry

    Enum Constant Summary
    COLLECTED
              The entry was removed automatically because its key or value was garbage-collected.
    EXPIRED
              The entry's expiration timestamp has passed.
    EXPLICIT
              The entry was manually removed by the user.
    REPLACED
              The entry itself was not actually removed, but its value was replaced by the user.
    SIZE
              The entry was evicted due to size constraints.
     
    Method Summary
    static RemovalCause valueOf(String name)
              Returns the enum constant of this type with the specified name.
    static RemovalCause[] values()
              Returns an array containing the constants of this enum type, in the order they are declared.
     
    Methods inherited from class java.lang.Enum
    clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
     
    Methods inherited from class java.lang.Object
    getClass, notify, notifyAll, wait, wait, wait
     

    Enum Constant Detail

    EXPLICIT

    public static final RemovalCause EXPLICIT
    The entry was manually removed by the user. This can result from the user invoking Cache.invalidate(java.lang.Object), Cache.invalidateAll(Iterable), Cache.invalidateAll(), Map.remove(java.lang.Object), ConcurrentMap.remove(java.lang.Object, java.lang.Object), or Iterator.remove().

    REPLACED

    public static final RemovalCause REPLACED
    The entry itself was not actually removed, but its value was replaced by the user. This can result from the user invoking Cache.put(K, V), LoadingCache.refresh(K), Map.put(K, V), Map.putAll(java.util.Map), ConcurrentMap.replace(Object, Object), or ConcurrentMap.replace(Object, Object, Object).

    COLLECTED

    public static final RemovalCause COLLECTED
    The entry was removed automatically because its key or value was garbage-collected. This can occur when using CacheBuilder.weakKeys(), CacheBuilder.weakValues(), or CacheBuilder.softValues().

    EXPIRED

    public static final RemovalCause EXPIRED
    The entry's expiration timestamp has passed. This can occur when using CacheBuilder.expireAfterWrite(long, java.util.concurrent.TimeUnit) or CacheBuilder.expireAfterAccess(long, java.util.concurrent.TimeUnit).

    SIZE

    public static final RemovalCause SIZE
    The entry was evicted due to size constraints. This can occur when using CacheBuilder.maximumSize or CacheBuilder.maximumWeight.

    Method Detail

    values

    public static RemovalCause[] values()
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
    for (RemovalCause c : RemovalCause.values())
    System.out.println(c);

    Returns:
    an array containing the constants of this enum type, in the order they are declared

    valueOf

    public static RemovalCause valueOf(String name)
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

    Parameters:
    name - the name of the enum constant to be returned.
    Returns:
    the enum constant with the specified name
    Throws:
    IllegalArgumentException - if this enum type has no constant with the specified name
    NullPointerException - if the argument is null
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