| /* |
| * Copyright 2016 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.onlab.util; |
| |
| import com.google.common.collect.ComparisonChain; |
| |
| /** |
| * Representation of bandwidth. |
| * Use the static factory method corresponding to the unit (like Kbps) you desire on instantiation. |
| */ |
| final class LongBandwidth implements Bandwidth { |
| |
| private final long bps; |
| |
| /** |
| * Creates a new instance with given bandwidth. |
| * |
| * @param bps bandwidth value to be assigned |
| */ |
| LongBandwidth(long bps) { |
| this.bps = bps; |
| } |
| |
| // Constructor for serialization |
| private LongBandwidth() { |
| this.bps = 0; |
| } |
| /** |
| * Returns bandwidth in bps. |
| * |
| * @return bandwidth in bps. |
| */ |
| public double bps() { |
| return bps; |
| } |
| |
| /** |
| * Returns a Bandwidth whose value is (this + value). |
| * |
| * @param value value to be added to this Frequency |
| * @return this + value |
| */ |
| public Bandwidth add(Bandwidth value) { |
| if (value instanceof LongBandwidth) { |
| return Bandwidth.bps(this.bps + ((LongBandwidth) value).bps); |
| } |
| return Bandwidth.bps(this.bps + value.bps()); |
| } |
| |
| /** |
| * Returns a Bandwidth whose value is (this - value). |
| * |
| * @param value value to be added to this Frequency |
| * @return this - value |
| */ |
| public Bandwidth subtract(Bandwidth value) { |
| if (value instanceof LongBandwidth) { |
| return Bandwidth.bps(this.bps - ((LongBandwidth) value).bps); |
| } |
| return Bandwidth.bps(this.bps - value.bps()); |
| } |
| |
| @Override |
| public int compareTo(Bandwidth other) { |
| if (other instanceof LongBandwidth) { |
| return ComparisonChain.start() |
| .compare(this.bps, ((LongBandwidth) other).bps) |
| .result(); |
| } |
| return ComparisonChain.start() |
| .compare(this.bps, other.bps()) |
| .result(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| |
| if (obj instanceof Bandwidth) { |
| return this.compareTo((Bandwidth) obj) == 0; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Long.hashCode(bps); |
| } |
| |
| @Override |
| public String toString() { |
| return String.valueOf(this.bps); |
| } |
| } |