-/*
- * Copyright 2011 GRNET S.A. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * 1. Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and
- * documentation are those of the authors and should not be
- * interpreted as representing official policies, either expressed
- * or implied, of GRNET S.A.
- */
-
-package gr.grnet.aquarium.store
-
-import com.ckkloverdos.maybe.Maybe
-import gr.grnet.aquarium.logic.events.{UserEvent, AquariumEvent}
-
-/**
- * A store for IM events
- *
- * @author Georgios Gousios <gousiosg@gmail.com>
- */
-trait IMStore {
-
- def storeUserEvent(event: UserEvent): Maybe[RecordID]
-
- def findUserEventById[A <: UserEvent](id: String): Option[A]
-
- def findUserEventsByUserId[A <: UserEvent](userId: String)(sortWith: Option[(A, A) => Boolean]): List[A]
-
- def findLastUserEvent(userId: String): Option[UserEvent]
-
- def userExists(userId: String): Boolean
-}
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