Break out into a multi-module project

service/src/main/resources/lua/remove_item_by_guid.lua

@@ -0,0 +1,28 @@
+-- keys: queue_key, queue_metadata_key, queue_index
+-- argv: guid_to_remove
+
+local messageId = redis.call("HGET", KEYS[2], ARGV[1])
+
+if messageId then
+    local envelope = redis.call("ZRANGEBYSCORE", KEYS[1], messageId, messageId, "LIMIT", 0, 1)
+    local sender   = redis.call("HGET", KEYS[2], messageId)
+
+    redis.call("ZREMRANGEBYSCORE", KEYS[1], messageId, messageId)
+    redis.call("HDEL", KEYS[2], ARGV[1])
+    redis.call("HDEL", KEYS[2], messageId .. "guid")
+
+    if sender then
+        redis.call("HDEL", KEYS[2], sender)
+        redis.call("HDEL", KEYS[2], messageId)
+    end
+
+    if (redis.call("ZCARD", KEYS[1]) == 0) then
+        redis.call("ZREM", KEYS[3], KEYS[1])
+    end
+
+    if envelope and next(envelope) then
+        return envelope[1]
+    end
+end
+
+return nil