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Changes between 1.2.0 and 1.3.0 (unreleased)

No changes yet.

Changes between 1.1.0 and 1.2.0 (June 21st, 2017)

async-get-and-touch

async-get-and-touch is a new function available for binary protocol connections.

Contributed by Ryan Wilson.

Transcoder Support

Contributed by Timo Sulg.

Clojure 1.8 by Default

This project now depends on Clojure 1.8 by default.

Changes between 1.1.0-beta3 and 1.1.0

Clojure 1.4 Requirement

Spyglass 1.1.0 drops support for Clojure 1.3.

Heroku Add-on Support

By using SpyMemcached 2.8.9, you now can use Spyglass with Heroku Memcached add-ons:

(defproject my-great-project "0.1.0-SNAPSHOT"
  :dependencies [[org.clojure/clojure "1.5.1"]
                 [clojurewerkz/spyglass "1.1.0-beta6-SNAPSHOT"
                  :exclusions [spy/spymemcached]]
                 [spy/spymemcached "2.8.9"]]
  :repositories {"spy-memcached" {:url "http://files.couchbase.com/maven2/"}})

Contributed by Connor Mendenhall.

Changes between 1.1.0-beta2 and 1.1.0-beta3

Warning: 1.1.0-beta3 has breaking changes in clojurewerkz.spyglass.cache.

Clojure 1.5 By Default

Spyglass now depends on org.clojure/clojure version 1.5.1. It is still compatible with Clojure 1.3+ and if your project.clj depends on a different version, it will be used, but 1.5 is the default now.

We encourage all users to upgrade to 1.5, it is a drop-in replacement for the majority of projects out there.

Asynchronous Cache Store

Spyglass now ships both sync and async implementations of clojure.core.cache.

To instantiate async store, use clojurewerkz.spyglass.cache/async-spyglass-cache-factory. clojurewerkz.spyglass.cache/spyglass-cache-factory was renamed to clojurewerkz.spyglass.cache/sync-spyglass-cache-factory.

Contributed by Joseph Wilk.

Fix Authentication Support

clojurewerkz.spyglass.client/text-connection and clojurewerkz.spyglass.client/bin-connection no longer fail when credentials are passed in.

Empty gets Responses

clojurewerkz.spyglass.client/gets now correctly handles responses for keys that do not exist.

GH issue: #4.

Changes between 1.1.0-beta1 and 1.1.0-beta2

SASL (Authentication) Support

clojurewerkz.spyglass.client/text-connection and clojurewerkz.spyglass.client/bin-connection now support credentials:

(ns my.service (:require [clojurewerkz.spyglass.client :as c]))

;; uses credentials from environment variables, e.g. on Heroku: (c/text-connection "127.0.0.1:11211" (System/getenv "MEMCACHE_USERNAME") (System/getenv "MEMCACHE_PASSWORD"))

When you need to fine tune things and want to use a custom connection factory, you need to instantiate auth descriptor and pass it explicitly, like so:

(ns my.service
  (:require [clojurewerkz.spyglass.client :as c])
  (:import [net.spy.memcached.auth AuthDescriptor]))

(let [ad (AuthDescriptor/typical (System/getenv "MEMCACHE_USERNAME")
                                 (System/getenv "MEMCACHE_PASSWORD"))]
  (c/text-connection "127.0.0.1:11211" (c/text-connection-factory :failure-mode :redistribute
                                                                  :aut-descriptor ad)))

Changes between 1.0.0 and 1.1.0-beta1

Blocking Deref for Futures

Futures returned by async Spyglass operations now implement "blocking dereferencing": they can be dereferenced with a timeout and default value, just like futures created with clojure.core/future and similar.

Contributed by Joseph Wilk.

Support For Configurable Connections

New functions clojurewerkz.spyglass.client/text-connection-factory and clojurewerkz.spyglass.client/bin-connection-factory provide a Clojuric way of instantiating connection factories. Those factories, in turn, can be passed to new arities of clojurewerkz.spyglass.client/text-connection and clojurewerkz.spyglass.client/bin-connection to control failure mode, default transcoder and so on:

(ns my.service
  (:require [clojurewerkz.spyglass.client :as c]))

(c/text-connection "127.0.0.1:11211" (c/text-connection-factory :failure-mode :redistribute))

core.cache Implementation

clojurewerkz.spyglass.cache now provides a clojure.core.cache implementation on top of Memcached:

(ns my.service
  (:require [clojurewerkz.spyglass.client :as sg]
            [clojurewerkz.spyglass.cache  :as sc]
            [clojure.core.cache           :as cc]))

(let [client (sg/text-connection)
      cache  (sc/sync-spyglass-cache-factory)]
      (cc/has? cache "a-key")
      (cc/lookup cache "a-key"))

SyncSpyglassCache uses synchronous operations from clojurewerkz.spyglass.client. Asynchronous implementation that returns futures will be added in the future.

SpyMemcached 2.8.4

SpyMemcached has been upgraded to 2.8.4.

Improved Couchbase Support

clojurewerkz.spyglass.couchbase/connection is a new function that connects to Couchbase with the given bucket and credentials. It returns a client that regular clojurewerkz.spyglass.memcached functions can use.

Clojure 1.4 By Default

Spyglass now depends on org.clojure/clojure version 1.4.0. It is still compatible with Clojure 1.3 and if your project.clj depends on 1.3, it will be used, but 1.4 is the default now.

We encourage all users to upgrade to 1.4, it is a drop-in replacement for the majority of projects out there.

Recompiled for JDK 6

Spyglass 1.0.1 is compiled for JDK 6.

Changes between 1.0.0-rc2 and 1.0.0

Documentation Improvements

Documentation guides were improved.

Continuous Integration Against Couchbase

We now run Continuous Integration against several versions of Couchbase Server.

Changes between 1.0.0-rc1 and 1.0.0-rc2

Future results now can be dereferenced

Many Spyglass functions return futures. Starting with the 1.0.0-rc2 release, it is now possible to deref (@future) them.

Changes between 1.0.0-beta1 and 1.0.0-rc1

Documentation guides

Spyglass now has documentation guides at clojurememcached.info.

1.0.0-beta1

Initial release

Supported features:

  • get, async get
  • multi-get (bulk get), async multi-get
  • delete
  • replace
  • flush
  • add, incr, decr (need to use custom transcoders because of the SpyMemcached idiosyncracies)
  • gets, CAS, async CAS