Carmelo Cascone | 1022a4e | 2017-05-25 00:16:18 -0400 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2017-present Open Networking Foundation |
Carmelo Cascone | 1022a4e | 2017-05-25 00:16:18 -0400 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.net.pi.runtime; |
| 18 | |
| 19 | import org.onosproject.net.pi.model.PiMatchType; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | /** |
| 24 | * Header's field match in a protocol-independent pipeline. |
| 25 | */ |
| 26 | public abstract class PiFieldMatch { |
| 27 | |
| 28 | private final PiHeaderFieldId fieldId; |
| 29 | |
| 30 | /** |
| 31 | * Creates a new field match for the given header field identifier. |
| 32 | * |
| 33 | * @param fieldId field identifier. |
| 34 | */ |
| 35 | PiFieldMatch(PiHeaderFieldId fieldId) { |
| 36 | this.fieldId = checkNotNull(fieldId); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | /** |
| 41 | * Returns the identifier of the field to be matched. |
| 42 | * |
| 43 | * @return a header field ID value |
| 44 | */ |
| 45 | public final PiHeaderFieldId fieldId() { |
| 46 | return fieldId; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Returns the type of match to be performed. |
| 51 | * |
| 52 | * @return a match type value |
| 53 | */ |
| 54 | public abstract PiMatchType type(); |
| 55 | |
| 56 | } |