org.apache.commons.collections4.map

## Interface PassiveExpiringMap.ExpirationPolicy<K,V>

- Type Parameters:
    `K` - the key object type.
    `V` - the value object type
  All Superinterfaces:
    Serializable
  All Known Implementing Classes:
    PassiveExpiringMap.ConstantTimeToLiveExpirationPolicy
  Enclosing class:
    PassiveExpiringMap<K,V>
  Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

      @FunctionalInterface
      public static interface PassiveExpiringMap.ExpirationPolicy<K,V>
      extends Serializable

  A policy to determine the expiration time for key-value entries.
  Since:
    4.0

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `expirationTime(K key, V value)` Determine the expiration time for the given key-value entry.

- - ### Method Detail

    - #### expirationTime

          long expirationTime(K key,
                              V value)

      Determine the expiration time for the given key-value entry.
      Parameters:
        `key` - the key for the entry.
        `value` - the value for the entry.
      Returns:
        the expiration time value measured in milliseconds. A negative return value indicates the entry never expires.

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