Package org.codehaus.groovy.runtime.memoize

## Interface EvictableCache<K,​V>

- Type Parameters:
    `K` - type of the keys
    `V` - type of the values
  All Superinterfaces:
    `Map<K,​V>`, `MemoizeCache<K,​V>`
  All Known Implementing Classes:
    `CommonCache`, `ConcurrentCommonCache`, `ConcurrentSoftCache`, `UnlimitedConcurrentCache`

      public interface EvictableCache<K,​V>
      extends MemoizeCache<K,​V>, Map<K,​V>

  Represents an evictable memoize cache with its essential methods
  Since:
    2.5.0

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Interface | Description
    --- | --- | ---
    `static class` | `EvictableCache.EvictionStrategy` | Represents a eviction strategy for the cache with limited size

    - ### Nested classes/interfaces inherited from interface java.util.Map

      `Map.Entry<K extends Object,​V extends Object>`

    - ### Nested classes/interfaces inherited from interface org.codehaus.groovy.runtime.memoize.MemoizeCache

      `MemoizeCache.ValueProvider<K,​V>`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `Map<K,​V>` | `clearAll()` | Clear the cache
    `boolean` | `containsKey​(Object key)` | Determines if the cache contains an entry for the specified key.
    `Set<K>` | `keys()` | Get all keys associated to cached values
    `V` | `remove​(Object key)` | Remove the cached value by the key
    `int` | `size()` | Get the size of the cache
    `Collection<V>` | `values()` | Get all cached values

    - ### Methods inherited from interface java.util.Map

      `clear, compute, computeIfAbsent, computeIfPresent, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, replace, replace, replaceAll`

    - ### Methods inherited from interface org.codehaus.groovy.runtime.memoize.MemoizeCache

      `cleanUpNullReferences, get, getAndPut, put`

- - ### Method Detail

    - #### remove

          V remove​(Object key)

      Remove the cached value by the key
      Specified by:
        `remove` in interface `Map<K,​V>`
      Parameters:
        `key` - of the cached value
      Returns:
        returns the removed value

    - #### clearAll

          Map<K,​V> clearAll()

      Clear the cache
      Returns:
        returns the content of the cleared map

    - #### values

          Collection<V> values()

      Get all cached values
      Specified by:
        `values` in interface `Map<K,​V>`
      Returns:
        all cached values

    - #### keys

          Set<K> keys()

      Get all keys associated to cached values
      Returns:
        all keys

    - #### containsKey

          boolean containsKey​(Object key)

      Determines if the cache contains an entry for the specified key.
      Specified by:
        `containsKey` in interface `Map<K,​V>`
      Parameters:
        `key` - key whose presence in this cache is to be tested.
      Returns:
        true if the cache contains a mapping for the specified key

    - #### size

          int size()

      Get the size of the cache
      Specified by:
        `size` in interface `Map<K,​V>`
      Returns:
        the size of the cache