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/*
* 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);
}
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