| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.compute.domain; |
| 20 | |
| 21 | import com.google.common.collect.ComparisonChain; |
| 22 | |
| 23 | /** |
| 24 | * Processor (or CPU) as a part of {@link Hardware} of a {@link NodeMetadata} |
| 25 | * |
| 26 | * @author Adrian Cole |
| 27 | */ |
| 28 | public class Processor implements Comparable<Processor> { |
| 29 | private final double cores; |
| 30 | private final double speed; |
| 31 | |
| 32 | public Processor(double cores, double speed) { |
| 33 | this.cores = cores; |
| 34 | this.speed = speed; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * {@inheritDoc} |
| 39 | */ |
| 40 | @Override |
| 41 | public int compareTo(Processor that) { |
| 42 | if (that instanceof Processor) { |
| 43 | Processor thatProcessor = Processor.class.cast(that); |
| 44 | return ComparisonChain.start().compare(this.getCores(), thatProcessor.getCores()) |
| 45 | .compare(this.getSpeed(), thatProcessor.getSpeed()).result(); |
| 46 | } else { |
| 47 | return -1; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Amount of virtual or physical cores provided |
| 53 | */ |
| 54 | public double getCores() { |
| 55 | return cores; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Speed, not necessarily in ghz, but certainly relevant to other processors |
| 60 | * in the same provider. |
| 61 | */ |
| 62 | public double getSpeed() { |
| 63 | return speed; |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public String toString() { |
| 68 | return "[cores=" + cores + ", speed=" + speed + "]"; |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public int hashCode() { |
| 73 | final int prime = 31; |
| 74 | int result = 1; |
| 75 | long temp; |
| 76 | temp = Double.doubleToLongBits(cores); |
| 77 | result = prime * result + (int) (temp ^ (temp >>> 32)); |
| 78 | temp = Double.doubleToLongBits(speed); |
| 79 | result = prime * result + (int) (temp ^ (temp >>> 32)); |
| 80 | return result; |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public boolean equals(Object obj) { |
| 85 | if (this == obj) |
| 86 | return true; |
| 87 | if (obj == null) |
| 88 | return false; |
| 89 | if (getClass() != obj.getClass()) |
| 90 | return false; |
| 91 | Processor other = (Processor) obj; |
| 92 | if (Double.doubleToLongBits(cores) != Double.doubleToLongBits(other.cores)) |
| 93 | return false; |
| 94 | if (Double.doubleToLongBits(speed) != Double.doubleToLongBits(other.speed)) |
| 95 | return false; |
| 96 | return true; |
| 97 | } |
| 98 | |
| 99 | } |