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Revision history for Cache
1.06 in progress
- updated the project homepage and added notes about the CHI project
- fixed extra "use vars" in CacheUtils
1.05 2006-05-26
- fixed infinite loop with auto_purge_on_get
- fixed directory paths on Windows partitions
- NullCache uses BaseCache
1.04 2005-03-17-11-23
- release version 1.04
- repair permissions on temp cache files
1.03 2004-10-04-11-23
- release version 1.03
- modified the FileBackend to use the more robust File::Temp
- "officially" recommend FileCache over SharedMemoryCache
- added more robust error checking for shared memory caches
- added a check for invalid frozen data
- added $1 to all error messages
1.02 2003-04-15-10-41
- released version 1.02
- require Digest::SHA1 2.02, optionally IPC::ShareLite 0.09
- use Storable's "nfreeze" instead of "freeze"
- added notes on locking and Storable to the README
- updated documentation on expiration units
- modified the quoting of the untainted path regex
- fixed the duplicated get_keys in NullCache
- applied patch to ensure consistent state if the filesystem fills up
- applied patch to ensure initialization of the memory cache hash
1.01 2002-04-14-01-30
- released version 1.01
- switched to Digest::SHA1
- updated copyright dates
1.0 2002-04-06-18-51
- released version 1.0
- localized scope of global file and directory handles (FILE and DIR)
- applied Jonathan Swartz's patch for a much better untainting regex
- changed _Untaint_String to throw an exception on a taint
- further improved the fix to prevent race conditions that caused the
tests to fail
- exposed the get_namespaces method on Cache
- fixed the failing Win32 tests caused by fileglobs in Makefile.PL
- applied Yves Orton's patch in _Make_Path to fix warnings on Win32
0.99 2001-12-09-18-45
- released version 0.99
- major refactoring of code
- replaced non-standard usage of SUCCESS and FAILURE with Error.pm
- replaced non-standard usage of TRUE and FALSE with 1 and 0
- migrated from the term "identifier" to the more standard term "key"
and marked the old public methods with identifier as deprecated
- broke out the MemoryBackend, FileBackend, SharedMemoryBackend into
distinct and reusable classes
- fixed a long outstanding bug in the unit tests that made working
caches appear to fail
- changed the meaning of object and cache size for file system based
caches to consistently reflect the total size of the objects on disk,
but not including the directory overhead
- changed format of persisted data in the FileBackend
- major rewrite of documentation
0.09 2001-09-10-12-10
- released version 0.09
- applied Axel Beckert patch to fix the expiration units
- applied Ken Williams's directory creation patch to pass all tests
- changed the license to be either the GPL or the Artistic license
- added Jay Sachs' implementation of NullCache
- modified the remove methods to avoid croaking if two cache
instances are both purging or limiting at the same time
- migrated to a factory-like model with private constructors
to fix the auto_purge_interval functionality
- updated the documentation to better reflect that size means
size in bytes
- started version 0.09
0.08 2001-04-26-08-53
- released version 0.08
- renamed the auto_purge option to auto_purge_interval
- added the auto_purge_on_set and auto_purge_on_get options
- moved the Auto_Purge and Reset_Auto_Purge methods to BaseCache
as the instance methods _auto_purge and _reset_auto_purge
- added the auto_purge option and property to the base cache interface
and implementations. This option will call the purge method on
the cache after the specified interval expires
- renamed _set_namespace to set_namespace (i.e., made it public)
- added the set_object method to the cache interface
- updated the test scripts and CREDITS file
- updated the perldoc formatting to look better in HTML
- removed the $VERSION from SizeAwareCache
- started version 0.08
0.07 2001-03-27-08-55
- released version 0.07
- prepared for initial CPAN release
- improved Cache::Cache documentation
- removed last "use IPC::Shareable"
- added support in the Makefile.PL to conditionally build the
SharedMemoryCache, which requires IPC::ShareLite, and thus runs only
on certain architectures. Also broke out the IPC related routines
into the SharedCacheUtils package.
- started version 0.07
0.06 2001-03-23-08-36
- release version 0.06
- added the get_identifiers method to the Cache interface, implemented
the method for all classes, added a new test, and updated the test
scripts
- added the size property to Object
- added the _freeze and _thaw methods to the BaseCache class and
modified all children classes to use them
- revert to separate freeze and thaws on the memory based caches to
ensure that cached data isn't modified at any time
- major rewrite of the size aware cache logic
- added the CacheMetaData class, which is used to efficiently keep track
of a size aware cache state
- refactored the instance specific limit_size routines into the
generic Limit_Size method in CacheUtils
- updated the size aware cache implementations to use the CacheMetaData
and Limit_Size methods
- improved the SizeAwareCacheTester and updated the test scripts
- removed unnecessary clone call from the SharedMemoryCache and the
SizeAwareSharedMemoryCache
- added exclusive locking on the shared cache for operations that
will both read and write to the cache
- replaced the cache_hash_ref instance property in MemoryCache with
a class property and updated the SharedMemoryCache and
SizeAwareSharedMemoryCache modules accordingly
- started version 0.06
0.05 2001-03-20-10-25
- released version 0.05
- updated Storable dependency to 1.011
- replaced the IPC::Shareable backend with IPC::ShareLite
- started version 0.05
0.04 2001-03-17-10-43
- released version 0.04
- replaced Data::Dumper with Storable, which is now a requirement
- implemented the SizeAwareMemoryCache and associated tests
- implemented the SizeAwareSharedMemoryCache and associated tests
- added the SizeAwareCache interface
- moved max_size logic from the _store method to the set method
- started version 0.04
0.03 2001-03-10-12-40
- released version 0.03
- made the FileCache more multi-user friendly by allowing a more
permissive default directory umask, which can also be optionally
overridden
- updated documentation and code style
- completely rewrote and improved the limit_size method for a major
performance gain
- updated the syntax for expiration times to include the [number] [unit]
format, e.g. "10 seconds"
- added the get_object method to the Cache interface, which allows
access to the underlying cache object (without potentially expiring
the object)
- added the get_namespace and get_default_expires_in methods to the
Cache interface definition
- updated the MANIFEST
- checked in preliminary cache benchmarking code
- fixed bug fixed bug #406030 -- default_expires_in never invoked
- refactored common code into BaseCache
- use Static_Params method
- fixed default_expires_in bug
- added coding guidelines to STYLE
- started version 0.03
0.02 2001-02-15-21-12
- released version 0.02
- added perldoc to SizeAwareFileCache
- created SizeAwareFileCache
- added the SizeAwareCacheTester module
- refactored common test code into the AbstractCacheTester module
- added the Recursively_List_Files_With_Paths routine to CacheUtils
- marked the FileCache and MemoryCache as ISA Cache::Cache
- updated the MANIFEST
- started version 0.02
0.01 2001-02-13-16-16
- released version 0.01
- implemented Get_Temp_Dir to make the FileCache root more OS
independent
- started version 0.01