| 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.deltacloud.domain; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | /** |
| 24 | * |
| 25 | * @author Adrian Cole |
| 26 | */ |
| 27 | public interface HardwareProperty { |
| 28 | public static enum Kind { |
| 29 | /** |
| 30 | * only the value specified in the property is available |
| 31 | */ |
| 32 | FIXED, |
| 33 | /** |
| 34 | * a list of available values is provided |
| 35 | */ |
| 36 | ENUM, |
| 37 | /** |
| 38 | * available values are described by a numeric range |
| 39 | */ |
| 40 | RANGE, |
| 41 | /** |
| 42 | * type returned as something besides the above. |
| 43 | */ |
| 44 | UNRECOGNIZED; |
| 45 | |
| 46 | public static HardwareProperty.Kind fromValue(String kind) { |
| 47 | try { |
| 48 | return valueOf(checkNotNull(kind, "kind").toUpperCase()); |
| 49 | } catch (IllegalArgumentException e) { |
| 50 | return UNRECOGNIZED; |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * |
| 57 | * @return describes the values to chose from. |
| 58 | */ |
| 59 | HardwareProperty.Kind getKind(); |
| 60 | |
| 61 | /** |
| 62 | * |
| 63 | * @return the type of the property: e.g. memory or storage |
| 64 | */ |
| 65 | String getName(); |
| 66 | |
| 67 | /** |
| 68 | * |
| 69 | * @return the units in which the value is specified: MB, GB, count or label |
| 70 | */ |
| 71 | String getUnit(); |
| 72 | |
| 73 | /** |
| 74 | * |
| 75 | * @return the actual value of the property. It depends on the specified unit: 1024, 2 on x86_64 |
| 76 | */ |
| 77 | Object getValue(); |
| 78 | } |