alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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.incubator.net.meter; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkArgument; |
| 19 | |
| 20 | /** |
| 21 | * A default implementation for a Band. |
| 22 | */ |
| 23 | public final class DefaultBand implements Band { |
| 24 | |
| 25 | private final Type type; |
| 26 | private final long rate; |
| 27 | private final long burstSize; |
| 28 | private final short prec; |
| 29 | |
| 30 | public DefaultBand(Type type, long rate, |
| 31 | long burstSize, short prec) { |
| 32 | this.type = type; |
| 33 | this.rate = rate; |
| 34 | this.burstSize = burstSize; |
| 35 | this.prec = prec; |
| 36 | } |
| 37 | |
| 38 | @Override |
| 39 | public long rate() { |
| 40 | return rate; |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public long burst() { |
| 45 | return burstSize; |
| 46 | } |
| 47 | |
| 48 | @Override |
| 49 | public short dropPrecedence() { |
| 50 | return prec; |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public Type type() { |
| 55 | return type; |
| 56 | } |
| 57 | |
| 58 | public static Builder builder() { |
| 59 | return new Builder(); |
| 60 | } |
| 61 | |
| 62 | public static final class Builder implements Band.Builder { |
| 63 | |
| 64 | private long rate; |
| 65 | private long burstSize; |
| 66 | private Short prec; |
| 67 | private Type type; |
| 68 | |
| 69 | @Override |
| 70 | public Band.Builder withRate(long rate) { |
| 71 | this.rate = rate; |
| 72 | return this; |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public Band.Builder burstSize(long burstSize) { |
| 77 | this.burstSize = burstSize; |
| 78 | return this; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public Band.Builder dropPrecedence(short prec) { |
| 83 | this.prec = prec; |
| 84 | return this; |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public Band.Builder ofType(Type type) { |
| 89 | this.type = type; |
| 90 | return this; |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public Band build() { |
| 95 | checkArgument(prec != null && type == Type.REMARK, |
| 96 | "Only REMARK bands can have a precendence."); |
| 97 | |
| 98 | return new DefaultBand(type, rate, burstSize, prec); |
| 99 | } |
| 100 | |
| 101 | |
| 102 | } |
| 103 | } |