org.apache.solr.store.blockcache

Class BlockDirectoryCache

    • Method Detail

      • delete

        public void delete(String name)
        Description copied from interface: Cache
        Remove a file from the cache.
        Specified by:
        delete in interface Cache
        Parameters:
        name - cache file name
      • update

        public void update(String name,
                           long blockId,
                           int blockOffset,
                           byte[] buffer,
                           int offset,
                           int length)
        Description copied from interface: Cache
        Update the content of the specified cache file. Creates cache entry if necessary.
        Specified by:
        update in interface Cache
      • fetch

        public boolean fetch(String name,
                             long blockId,
                             int blockOffset,
                             byte[] b,
                             int off,
                             int lengthToReadInBlock)
        Description copied from interface: Cache
        Fetch the specified cache file content.
        Specified by:
        fetch in interface Cache
        Returns:
        true if cached content found, otherwise return false
      • size

        public long size()
        Description copied from interface: Cache
        Number of entries in the cache.
        Specified by:
        size in interface Cache
      • renameCacheFile

        public void renameCacheFile(String source,
                                    String dest)
        Description copied from interface: Cache
        Expert: Rename the specified file in the cache. Allows a file to be moved without invalidating the cache.
        Specified by:
        renameCacheFile in interface Cache
        Parameters:
        source - original name
        dest - final name