| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.pi.model; |
| |
| import com.google.common.annotations.Beta; |
| |
| /** |
| * Model of a packet metadata for a protocol-independent pipeline. |
| */ |
| @Beta |
| public interface PiPacketMetadataModel { |
| |
| /** |
| * Returns the ID of this packet metadata. |
| * |
| * @return packet operation metadata ID |
| */ |
| PiPacketMetadataId id(); |
| |
| /** |
| * Returns the size in bits of this metadata. |
| * |
| * @return size in bit |
| */ |
| int bitWidth(); |
| |
| /** |
| * Return true is the packet metadata has a fixed bit width. |
| * It returns false if it can have flexible bit width. |
| * |
| * @return True if the packet metadata has fixed bit width, false otherwise |
| */ |
| boolean hasBitWidth(); |
| } |