Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame^] | 2 | * Copyright 2016-present Open Networking Laboratory |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [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 | package org.onosproject.vtnrsc; |
| 17 | |
Jian Li | d79fb94 | 2016-02-29 13:42:23 -0800 | [diff] [blame] | 18 | import org.onlab.util.Identifier; |
| 19 | |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 20 | import static com.google.common.base.Preconditions.checkArgument; |
| 21 | |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 22 | /* |
| 23 | * Representation of 5 bit load balance identifier for a service function |
| 24 | */ |
Jian Li | d79fb94 | 2016-02-29 13:42:23 -0800 | [diff] [blame] | 25 | public final class LoadBalanceId extends Identifier<Byte> { |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 26 | |
| 27 | private static final byte MAX_ID = 0x1F; |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 28 | |
| 29 | /** |
| 30 | * Default constructor. |
| 31 | * |
| 32 | * @param loadBalanceId service function chain path's load balance identifier |
| 33 | */ |
| 34 | private LoadBalanceId(byte loadBalanceId) { |
Jian Li | d79fb94 | 2016-02-29 13:42:23 -0800 | [diff] [blame] | 35 | super(loadBalanceId); |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 36 | checkArgument(loadBalanceId <= MAX_ID, "Load balance id should not be more than 5 bit identifier"); |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Returns the SfcLoadBalanceId by setting its value. |
| 41 | * |
| 42 | * @param loadBalanceId service function chain path's load balance identifier |
| 43 | * @return LoadBalanceId |
| 44 | */ |
| 45 | public static LoadBalanceId of(byte loadBalanceId) { |
| 46 | return new LoadBalanceId(loadBalanceId); |
| 47 | } |
| 48 | |
| 49 | |
| 50 | /** |
| 51 | * Returns load balance identifier for a service function. |
| 52 | * |
| 53 | * @return loadBalanceId |
| 54 | */ |
| 55 | public byte loadBalanceId() { |
Jian Li | d79fb94 | 2016-02-29 13:42:23 -0800 | [diff] [blame] | 56 | return identifier; |
Phaneendra Manda | 8225ddb | 2016-02-05 20:54:04 +0530 | [diff] [blame] | 57 | } |
| 58 | } |