CFRedlock - My ColdFusion Implementation Of The Redlock Distributed Locking Algorithm From Redis

client-factory.cfm

<cfscript>

	// Create a Jedis-powered client - requires an array of JedisPool instances.
	var locking = new lib.CFRedlock().createJedisClient(
		jedisPools,
		retryDelayInMilliseconds,
		maxRetryCount
	);

	// Create an ISOLATED ColdFusion client (uses CFLock internally).
	var locking = new lib.CFRedlock().createIsolatedClient(
		retryDelayInMilliseconds,
		maxRetryCount
	);

	// Create a test client with static GET / DELETE behavior.
	var locking = new lib.CFRedlock().createTestClient(
		[
			[ true, true ],
			[ false, false ],
			[ true, true ]
		],
		retryDelayInMilliseconds,
		maxRetryCount
	);

</cfscript>

client.cfm

<cfscript>

	// Create the locking client. The keyServers must adhere to the key server API.
	// But, other than that, they can be implemented any way you want.
	var locking = new lib.client.DistributedLockClient(
		keyServers,
		retryDelayInMilliseconds,
		maxRetryCount
	);

</cfscript>

try-finally.cfm

<cfscript>

	var myLock = locking.getLock( "my-lock-name", expirationInMilliseconds );

	try {

		someSynchronizedAction();

	// No matter what, release the lock when you are done with it.
	} finally {

		myLock.releaseLock();

	}

</cfscript>