| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * 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 org.onosproject.net.intent.impl; |
| |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentData; |
| |
| import java.util.List; |
| import java.util.Optional; |
| |
| /** |
| * A collection of methods to process an intent. |
| * |
| * This interface is public, but intended to be used only by IntentManager and |
| * IntentProcessPhase subclasses stored under phase package. |
| */ |
| public interface IntentProcessor { |
| |
| /** |
| * Compiles an intent recursively. |
| * |
| * @param intent intent |
| * @param previousInstallables previous intent installables |
| * @return result of compilation |
| */ |
| List<Intent> compile(Intent intent, List<Intent> previousInstallables); |
| |
| /** |
| * @param toUninstall Intent data describing flows to uninstall. |
| * @param toInstall Intent data describing flows to install. |
| */ |
| void apply(Optional<IntentData> toUninstall, Optional<IntentData> toInstall); |
| } |