Method expireAfterWrite

output/java_guava/1.4.13/CacheBuilder.java:631–638

Specifies that each entry should be automatically removed from the cache once a fixed duration has elapsed after the entry's creation, or the most recent replacement of its value. When duration is zero, this method hands off to #maximumSize(long) maximumSize(0), ignoring

(long duration, TimeUnit unit)

    public CacheBuilder<K, V> expireAfterWrite(long duration, TimeUnit unit) {
    checkState(expireAfterWriteNanos == UNSET_INT,
               "expireAfterWrite was already set to %s ns",
               expireAfterWriteNanos);
    checkArgument(duration >= 0, "duration cannot be negative: %s %s", duration, unit);
    this.expireAfterWriteNanos = unit.toNanos(duration);
    return this;
    }

    long getExpireAfterWriteNanos() {
                 return (expireAfterWriteNanos == UNSET_INT)