Class FifoCache<T>

java.lang.Object
software.amazon.awssdk.http.auth.aws.internal.signer.util.FifoCache<T>
Type Parameters:
T - value type
@ThreadSafe public final class FifoCache<T> extends Object
A bounded cache that has a FIFO eviction policy when the cache is full.

  • Constructor Summary

    Constructors
    Constructor
    Description
    FifoCache(int maxSize)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    T
    add(String key, T value)
    Adds an entry to the cache, evicting the earliest entry if necessary.
    T
    get(String key)
    Returns the value of the given key; or null of no such entry exists.
    int
    getMaxSize()
    Returns the maximum size of the cache.
    int
    size()
    Returns the current size of the cache.
    String
    toString()
     

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • FifoCache

      public FifoCache(int maxSize)
      Parameters:
      maxSize - the maximum number of entries of the cache

  • Method Details

    • add

      public T add(String key, T value)
      Adds an entry to the cache, evicting the earliest entry if necessary.

    • get

      public T get(String key)
      Returns the value of the given key; or null of no such entry exists.

    • size

      public int size()
      Returns the current size of the cache.

    • getMaxSize

      public int getMaxSize()
      Returns the maximum size of the cache.

    • toString

      public String toString()
      Overrides:
      toString in class Object