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/*
* Copyright 2014-2015 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.flow.instructions;
/**
* Abstraction of a single traffic treatment step.
*/
public interface Instruction {
/**
* Represents the type of traffic treatment.
*/
enum Type {
/**
* Signifies that the traffic should be dropped.
*/
@Deprecated
DROP,
/**
* Signifies that the traffic requires no action.
*
* In OF10, the behavior of NOACTION is DROP.
* In OF13, the behavior depends on current Action Set.
*/
NOACTION,
/**
* Signifies that the traffic should be output to a port.
*/
OUTPUT,
/**
* Signifies that traffic should be sent out of a group.
*/
GROUP,
/**
* Signifies that the traffic should be enqueued to an already-configured
queue on a port.
*/
QUEUE,
/**
* Signifies that traffic should be metered according to a meter.
*/
METER,
/**
* Signifies that the traffic should be modified in L0 way.
*/
L0MODIFICATION,
/**
* Signifies that the traffic should be modified in L1 way.
*/
L1MODIFICATION,
/**
* Signifies that the traffic should be modified in L2 way.
*/
L2MODIFICATION,
/**
* Signifies that the traffic should be passed to another table.
*/
TABLE,
/**
* Signifies that the traffic should be modified in L3 way.
*/
L3MODIFICATION,
/**
* Signifies that metadata be attached to traffic.
*/
METADATA,
/**
* Signifies that the traffic should be modified in L4 way.
*/
L4MODIFICATION,
/**
* Signifies that an extension instruction will be used.
*/
EXTENSION
}
/**
* Returns the type of instruction.
*
* @return type of instruction
*/
Type type();
}
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