| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.gearpump.akkastream.graph |
| |
| import akka.actor.ActorSystem |
| import org.apache.gearpump.akkastream.GearpumpMaterializer.Edge |
| import akka.stream.impl.StreamLayout.Module |
| import org.apache.gearpump.util.Graph |
| |
| /** |
| * [[SubGraph]] is a partial DAG |
| * |
| * The idea is that by dividing [[Graph]] to several |
| * [[SubGraph]], we can materialize each [[SubGraph]] with different |
| * materializer. |
| */ |
| |
| trait SubGraph { |
| |
| /** |
| * the [[Graph]] representation of this SubGraph |
| * @return |
| */ |
| def graph: Graph[Module, Edge] |
| } |
| |
| |
| /** |
| * Materializer for Sub-Graph type |
| */ |
| trait SubGraphMaterializer { |
| /** |
| * |
| * @param matValues Materialized Values for each module before materialization |
| * @return Materialized Values for each Module after the materialization. |
| */ |
| |
| def materialize(graph: SubGraph, |
| matValues: scala.collection.mutable.Map[Module, Any]): |
| scala.collection.mutable.Map[Module, Any] |
| |
| def shutdown: Unit |
| } |