| 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
| 3 | * contributor license agreements. See the NOTICE file distributed with |
| 4 | * this work for additional information regarding copyright ownership. |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
| 6 | * (the "License"); you may not use this file except in compliance with |
| 7 | * the License. You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | package org.jclouds.glesys.domain; |
| 18 | |
| 19 | import static com.google.common.base.Preconditions.checkNotNull; |
| 20 | |
| 21 | import java.beans.ConstructorProperties; |
| 22 | |
| 23 | import com.google.common.base.Objects; |
| 24 | import com.google.common.base.Objects.ToStringHelper; |
| 25 | |
| 26 | /** |
| 27 | * Detailed information on usage |
| 28 | * |
| 29 | * @author Adam Lowe |
| 30 | * @see ServerStatus |
| 31 | */ |
| 32 | public class ResourceUsageInfo { |
| 33 | |
| 34 | public static Builder<?> builder() { |
| 35 | return new ConcreteBuilder(); |
| 36 | } |
| 37 | |
| 38 | public Builder<?> toBuilder() { |
| 39 | return new ConcreteBuilder().fromResourceUsageInfo(this); |
| 40 | } |
| 41 | |
| 42 | public abstract static class Builder<T extends Builder<T>> { |
| 43 | protected abstract T self(); |
| 44 | |
| 45 | protected String resource; |
| 46 | protected String resolution; |
| 47 | protected String unit; |
| 48 | |
| 49 | /** |
| 50 | * @see ResourceUsageInfo#getResource() |
| 51 | */ |
| 52 | public T resource(String resource) { |
| 53 | this.resource = checkNotNull(resource, "resource"); |
| 54 | return self(); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @see ResourceUsageInfo#getResolution() |
| 59 | */ |
| 60 | public T resolution(String resolution) { |
| 61 | this.resolution = checkNotNull(resolution, "resolution"); |
| 62 | return self(); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * @see ResourceUsageInfo#getUnit() |
| 67 | */ |
| 68 | public T unit(String unit) { |
| 69 | this.unit = checkNotNull(unit, "unit"); |
| 70 | return self(); |
| 71 | } |
| 72 | |
| 73 | public ResourceUsageInfo build() { |
| 74 | return new ResourceUsageInfo(resource, resolution, unit); |
| 75 | } |
| 76 | |
| 77 | public T fromResourceUsageInfo(ResourceUsageInfo in) { |
| 78 | return this |
| 79 | .resource(in.getResource()) |
| 80 | .resolution(in.getResolution()) |
| 81 | .unit(in.getUnit()); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | private static class ConcreteBuilder extends Builder<ConcreteBuilder> { |
| 86 | @Override |
| 87 | protected ConcreteBuilder self() { |
| 88 | return this; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | private final String resource; |
| 93 | private final String resolution; |
| 94 | private final String unit; |
| 95 | |
| 96 | @ConstructorProperties({ |
| 97 | "type", "resolution", "unit" |
| 98 | }) |
| 99 | protected ResourceUsageInfo(String resource, String resolution, String unit) { |
| 100 | this.resource = checkNotNull(resource, "resource"); |
| 101 | this.resolution = checkNotNull(resolution, "resolution"); |
| 102 | this.unit = checkNotNull(unit, "unit"); |
| 103 | } |
| 104 | |
| 105 | public String getResource() { |
| 106 | return this.resource; |
| 107 | } |
| 108 | |
| 109 | public String getResolution() { |
| 110 | return this.resolution; |
| 111 | } |
| 112 | |
| 113 | public String getUnit() { |
| 114 | return this.unit; |
| 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public int hashCode() { |
| 119 | return Objects.hashCode(resource, resolution, unit); |
| 120 | } |
| 121 | |
| 122 | @Override |
| 123 | public boolean equals(Object obj) { |
| 124 | if (this == obj) return true; |
| 125 | if (obj == null || getClass() != obj.getClass()) return false; |
| 126 | ResourceUsageInfo that = ResourceUsageInfo.class.cast(obj); |
| 127 | return Objects.equal(this.resource, that.resource) |
| 128 | && Objects.equal(this.resolution, that.resolution) |
| 129 | && Objects.equal(this.unit, that.unit); |
| 130 | } |
| 131 | |
| 132 | protected ToStringHelper string() { |
| 133 | return Objects.toStringHelper("") |
| 134 | .add("resource", resource).add("resolution", resolution).add("unit", unit); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public String toString() { |
| 139 | return string().toString(); |
| 140 | } |
| 141 | |
| 142 | } |