| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. 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, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.elasticstack.domain; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkArgument; |
| 22 | |
| 23 | /** |
| 24 | * |
| 25 | * @author Adrian Cole |
| 26 | */ |
| 27 | public class SCSIDevice extends Device { |
| 28 | public static class Builder extends Device.Builder { |
| 29 | private final int unit; |
| 30 | |
| 31 | public Builder(int unit) { |
| 32 | this.unit = unit; |
| 33 | } |
| 34 | |
| 35 | @Override |
| 36 | public Device build() { |
| 37 | return new SCSIDevice(uuid, mediaType, unit); |
| 38 | } |
| 39 | |
| 40 | } |
| 41 | |
| 42 | private final int bus = 0; |
| 43 | private final int unit; |
| 44 | |
| 45 | public SCSIDevice(String driveUuid, MediaType mediaType, int unit) { |
| 46 | super(driveUuid, mediaType); |
| 47 | checkArgument(unit >= 0 && unit < 8, "unit must be between 0 and 7"); |
| 48 | this.unit = unit; |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | public int hashCode() { |
| 53 | final int prime = 31; |
| 54 | int result = 1; |
| 55 | result = prime * result + bus; |
| 56 | result = prime * result + unit; |
| 57 | return result; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public boolean equals(Object obj) { |
| 62 | if (this == obj) |
| 63 | return true; |
| 64 | if (obj == null) |
| 65 | return false; |
| 66 | if (getClass() != obj.getClass()) |
| 67 | return false; |
| 68 | SCSIDevice other = (SCSIDevice) obj; |
| 69 | if (bus != other.bus) |
| 70 | return false; |
| 71 | if (unit != other.unit) |
| 72 | return false; |
| 73 | return true; |
| 74 | } |
| 75 | |
| 76 | public int getBus() { |
| 77 | return bus; |
| 78 | } |
| 79 | |
| 80 | public int getUnit() { |
| 81 | return unit; |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public String getId() { |
| 86 | return String.format("scsi:%d:%d", bus, unit); |
| 87 | } |
| 88 | |
| 89 | @Override |
| 90 | public String toString() { |
| 91 | return "[id=" + getId() + ", driveUuid=" + driveUuid + ", mediaType=" + mediaType + "]"; |
| 92 | } |
| 93 | } |