Class ::acs::HashKeyPartitionedCache (public)

 ::nx::Class ::acs::HashKeyPartitionedCache

Defined in packages/acs-tcl/tcl/acs-cache-procs.tcl

Partitioned cache, where the partition numbers are computed via a hash function. Key-partitioning is based on a modulo function using a special partition_key, which has to be numeric

Testcases:

No testcase defined.

Source code:

        :property {partitions:integer 2}

        :public method flush_pattern {{-partition_key:required} pattern} {
            #
            # flush just in all partitions
            #
            :flush_pattern_in_all_partitions $pattern
        }

        :public method set {{-partition_key:required} key value} {
            #
            # Set a single value in the cache. It transforms the
            # partition key into a hash value. This code uses
            # ns_cache_eval to achieve this behavior, which is
            # typically an AOLserver idiom and should be avoided.
            #
            next [list -partition_key [ns_hash $partition_key] $pattern]
        }

        :protected method cache_name {key} {
            next [list [ns_hash $key]]
        }

XQL Not present:

Generic, PostgreSQL, Oracle