| 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.deltacloud.domain; |
| 20 | |
| 21 | /** |
| 22 | * |
| 23 | * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 24 | * |
| 25 | * ==================================================================== |
| 26 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 27 | * you may not use this file except in compliance with the License. |
| 28 | * You may obtain a copy of the License at |
| 29 | * |
| 30 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 31 | * |
| 32 | * Unless required by applicable law or agreed to in writing, software |
| 33 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 34 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 35 | * See the License for the specific language governing permissions and |
| 36 | * limitations under the License. |
| 37 | * ==================================================================== |
| 38 | */ |
| 39 | |
| 40 | import static com.google.common.base.Preconditions.checkNotNull; |
| 41 | |
| 42 | /** |
| 43 | * |
| 44 | * @author Adrian Cole |
| 45 | */ |
| 46 | public interface HardwareProperty { |
| 47 | public static enum Kind { |
| 48 | /** |
| 49 | * only the value specified in the property is available |
| 50 | */ |
| 51 | FIXED, |
| 52 | /** |
| 53 | * a list of available values is provided |
| 54 | */ |
| 55 | ENUM, |
| 56 | /** |
| 57 | * available values are described by a numeric range |
| 58 | */ |
| 59 | RANGE, |
| 60 | /** |
| 61 | * type returned as something besides the above. |
| 62 | */ |
| 63 | UNRECOGNIZED; |
| 64 | |
| 65 | public static HardwareProperty.Kind fromValue(String kind) { |
| 66 | try { |
| 67 | return valueOf(checkNotNull(kind, "kind").toUpperCase()); |
| 68 | } catch (IllegalArgumentException e) { |
| 69 | return UNRECOGNIZED; |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * |
| 76 | * @return describes the values to chose from. |
| 77 | */ |
| 78 | HardwareProperty.Kind getKind(); |
| 79 | |
| 80 | /** |
| 81 | * |
| 82 | * @return the type of the property: e.g. memory or storage |
| 83 | */ |
| 84 | String getName(); |
| 85 | |
| 86 | /** |
| 87 | * |
| 88 | * @return the units in which the value is specified: MB, GB, count or label |
| 89 | */ |
| 90 | String getUnit(); |
| 91 | |
| 92 | /** |
| 93 | * |
| 94 | * @return the actual value of the property. It depends on the specified unit: 1024, 2 on x86_64 |
| 95 | */ |
| 96 | Object getValue(); |
| 97 | } |