{"action":"created","comment":{"url":"https://api.github.com/repos/rackerlabs/repose/pulls/comments/67691345","id":67691345,"diff_hunk":"@@ -0,0 +1,78 @@\n+/*\n+ * _=_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_=\n+ * Repose\n+ * _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-\n+ * Copyright (C) 2010 - 2015 Rackspace US, Inc.\n+ * _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-\n+ * Licensed under the Apache License, Version 2.0 (the \"License\");\n+ * you may not use this file except in compliance with the License.\n+ * You may obtain a copy of the License at\n+ *\n+ *      http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing, software\n+ * distributed under the License is distributed on an \"AS IS\" BASIS,\n+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n+ * See the License for the specific language governing permissions and\n+ * limitations under the License.\n+ * =_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_=_\n+ */\n+package org.openrepose.filters.openstackidentityv3.utilities\n+\n+import java.io.Serializable\n+import java.util.concurrent.TimeUnit\n+\n+import org.openrepose.core.services.datastore.{Datastore, Patch}\n+\n+import scala.util.Random\n+\n+object Cache {\n+  final val AdminTokenKey = \"IDENTITY:V3:ADMIN_TOKEN\"\n+  final val TokenKeyPrefix = \"IDENTITY:V3:TOKEN:\"\n+  final val GroupsKeyPrefix = \"IDENTITY:V3:GROUPS:\"\n+  final val UserIdKeyPrefix = \"IDENTITY:V3:USER_ID:\"\n+\n+  def getTokenKey(token: String): String = TokenKeyPrefix + token\n+\n+  def getGroupsKey(token: String): String = GroupsKeyPrefix + token\n+\n+  def getUserIdKey(userId: String): String = UserIdKeyPrefix + userId\n+\n+  def offsetTtl(exactTtl: Int, offset: Int): Int = {\n+    if (offset == 0 || exactTtl == 0) exactTtl\n+    else safeLongToInt(exactTtl.toLong + (Random.nextInt(offset * 2) - offset))\n+  }\n+\n+  def safeLongToInt(long: Long): Int = {\n+    if (long < 0) math.max(long, Int.MinValue).toInt\n+    else math.min(long, Int.MaxValue).toInt\n+  }\n+}\n+\n+class Cache(datastore: Datastore) extends Datastore 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