Package org.apache.http.client.cache

Interface HttpCacheUpdateCallback

public interface HttpCacheUpdateCallback
Used for atomically updating entries in a HttpCacheStorage implementation. The current entry (if any) is fed into an implementation of this interface, and the new, possibly updated entry (if any) should be returned.

  • Method Summary

    Modifier and Type
    Method
    Description
    HttpCacheEntry
    update(HttpCacheEntry existing)
    Returns the new cache entry that should replace an existing one.

  • Method Details

    • update

      HttpCacheEntry update(HttpCacheEntry existing) throws IOException
      Returns the new cache entry that should replace an existing one.
      Parameters:
      existing - the cache entry currently in-place in the cache, possibly null if nonexistent
      Returns:
      the cache entry that should replace it, again, possibly null if the entry should be deleted
      Throws:
      IOException
      Since:
      4.1