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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.behaviour;
import com.google.common.annotations.Beta;
import org.onosproject.net.driver.HandlerBehaviour;
import org.onosproject.net.flow.instructions.ExtensionInstruction;
import org.onosproject.net.flow.instructions.ExtensionType;
/**
* Provides access to the extension implemented by this driver.
*/
@Beta
public interface ExtensionResolver extends HandlerBehaviour {
/**
* Gets an extension instruction instance of the specified type, if supported
* by the driver.
*
* @param type type of extension to get
* @return extension instruction
* @throws UnsupportedOperationException if the extension type is not
* supported by this driver
*/
ExtensionInstruction getExtensionInstruction(ExtensionType type);
}
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