| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed 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 android.filterfw.core; |
| |
| import android.filterfw.core.Filter; |
| import android.filterfw.core.FilterGraph; |
| |
| /** |
| * @hide |
| */ |
| public abstract class Scheduler { |
| // All methods are core internal methods as Scheduler internals are only used by the GraphRunner. |
| |
| private FilterGraph mGraph; |
| |
| Scheduler(FilterGraph graph) { |
| mGraph = graph; |
| } |
| |
| FilterGraph getGraph() { |
| return mGraph; |
| } |
| |
| abstract void reset(); |
| |
| abstract Filter scheduleNextNode(); |
| |
| boolean finished() { |
| // TODO: Check that the state of all nodes is FINISHED. |
| return true; |
| } |
| } |