Class GuavaCache<K,V>

java.lang.Object
com.github.javaparser.symbolsolver.cache.GuavaCache<K,V>
Type Parameters:
K - The type of the key.
V - The type of the value.
All Implemented Interfaces:
Cache<K,V>
public class GuavaCache<K,V> extends Object implements Cache<K,V>
This class is used to wrap a Guava Cache.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private final com.google.common.cache.Cache<K,V>
    guavaCache
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    GuavaCache(com.google.common.cache.Cache<K,V> guavaCache)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    contains(K key)
    Returns True if the cache contains a entry with the key, or False if there is none.
    static <expectedK, expectedV>
    GuavaCache<expectedK, expectedV>
    create(com.google.common.cache.Cache<expectedK, expectedV> guavaCache)
    Wrap a Guava cache with a custom cache.
    Optional<V>
    get(K key)
    Returns the value associated with key in this cache, or empty if there is no cached value for key.
    boolean
    isEmpty()
    Returns True if the cache is empty, or False if there's at least a entry stored in cache.
    void
    put(K key, V value)
    Associates value with key in this cache.
    void
    remove(K key)
    Discards any cached value for this key.
    void
    removeAll()
    Discards all entries in the cache.
    long
    size()
    Returns the number of entries in this cache.
    CacheStats
    stats()
    Returns a current snapshot of this cache's cumulative statistics, or a set of default values if the cache is not recording statistics.

    Methods inherited from class Object

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

  • Field Details

    • guavaCache

      private final com.google.common.cache.Cache<K,V> guavaCache

  • Constructor Details

    • GuavaCache

      public GuavaCache(com.google.common.cache.Cache<K,V> guavaCache)

  • Method Details

    • create

      public static <expectedK, expectedV> GuavaCache<expectedK, expectedV> create(com.google.common.cache.Cache<expectedK, expectedV> guavaCache)
      Wrap a Guava cache with a custom cache.
      Type Parameters:
      expectedK - The expected type for the key.
      expectedV - The expected type for the value.
      Parameters:
      guavaCache - The guava cache to be wrapped-
      Returns:
      A newly created instance of NoCache.

    • put

      public void put(K key, V value)
      Description copied from interface: Cache
      Associates value with key in this cache.
      If the cache previously contained a value associated with key, the old value is replaced by value.
      Specified by:
      put in interface Cache<K,V>
      Parameters:
      key - The key to be used as index.
      value - The value to be stored.

    • get

      public Optional<V> get(K key)
      Description copied from interface: Cache
      Returns the value associated with key in this cache, or empty if there is no cached value for key.
      Specified by:
      get in interface Cache<K,V>
      Parameters:
      key - The key to look for.
      Returns:
      The value stored in cache if present.

    • remove

      public void remove(K key)
      Description copied from interface: Cache
      Discards any cached value for this key.
      Specified by:
      remove in interface Cache<K,V>
      Parameters:
      key - The key to be discarded.

    • removeAll

      public void removeAll()
      Description copied from interface: Cache
      Discards all entries in the cache.
      Specified by:
      removeAll in interface Cache<K,V>

    • contains

      public boolean contains(K key)
      Description copied from interface: Cache
      Returns True if the cache contains a entry with the key, or False if there is none.
      Specified by:
      contains in interface Cache<K,V>
      Parameters:
      key - The key to be verified.
      Returns:
      True if the key is present.

    • size

      public long size()
      Description copied from interface: Cache
      Returns the number of entries in this cache.
      Specified by:
      size in interface Cache<K,V>
      Returns:
      The cache size.

    • isEmpty

      public boolean isEmpty()
      Description copied from interface: Cache
      Returns True if the cache is empty, or False if there's at least a entry stored in cache.
      Specified by:
      isEmpty in interface Cache<K,V>
      Returns:
      True if is empty.

    • stats

      public CacheStats stats()
      Description copied from interface: Cache
      Returns a current snapshot of this cache's cumulative statistics, or a set of default values if the cache is not recording statistics. All statistics begin at zero and never decrease over the lifetime of the cache.
      Specified by:
      stats in interface Cache<K,V>