| /* |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.jclouds.glesys.domain; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.beans.ConstructorProperties; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.base.Objects.ToStringHelper; |
| |
| /** |
| * Detailed information on usage |
| * |
| * @author Adam Lowe |
| * @see ServerStatus |
| */ |
| public class ResourceStatus { |
| |
| public static Builder<?> builder() { |
| return new ConcreteBuilder(); |
| } |
| |
| public Builder<?> toBuilder() { |
| return new ConcreteBuilder().fromResourceUsage(this); |
| } |
| |
| public static abstract class Builder<T extends Builder<T>> { |
| protected abstract T self(); |
| |
| protected double usage; |
| protected double max; |
| protected String unit; |
| |
| /** |
| * @see ResourceStatus#getUsage() |
| */ |
| public T usage(double usage) { |
| this.usage = usage; |
| return self(); |
| } |
| |
| /** |
| * @see ResourceStatus#getMax() |
| */ |
| public T max(double max) { |
| this.max = max; |
| return self(); |
| } |
| |
| /** |
| * @see ResourceStatus#getUnit() |
| */ |
| public T unit(String unit) { |
| this.unit = checkNotNull(unit, "unit"); |
| return self(); |
| } |
| |
| public ResourceStatus build() { |
| return new ResourceStatus(usage, max, unit); |
| } |
| |
| public T fromResourceUsage(ResourceStatus in) { |
| return this.usage(in.getUsage()).max(in.getMax()).unit(in.getUnit()); |
| } |
| } |
| |
| private static class ConcreteBuilder extends Builder<ConcreteBuilder> { |
| @Override |
| protected ConcreteBuilder self() { |
| return this; |
| } |
| } |
| |
| private final double usage; |
| private final double max; |
| private final String unit; |
| |
| @ConstructorProperties({ |
| "usage", "max", "unit" |
| }) |
| protected ResourceStatus(double usage, double max, String unit) { |
| this.usage = usage; |
| this.max = max; |
| this.unit = checkNotNull(unit, "unit"); |
| } |
| |
| /** |
| * @return the usage in #unit |
| */ |
| public double getUsage() { |
| return this.usage; |
| } |
| |
| /** |
| * @return the max usage in #unit |
| */ |
| public double getMax() { |
| return this.max; |
| } |
| |
| /** |
| * @return the unit used |
| */ |
| public String getUnit() { |
| return this.unit; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(usage, max, unit); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) return true; |
| if (obj == null || getClass() != obj.getClass()) return false; |
| ResourceStatus that = ResourceStatus.class.cast(obj); |
| return Objects.equal(this.usage, that.usage) |
| && Objects.equal(this.max, that.max) |
| && Objects.equal(this.unit, that.unit); |
| } |
| |
| protected ToStringHelper string() { |
| return Objects.toStringHelper("").add("usage", usage).add("max", max).add("unit", unit); |
| } |
| |
| @Override |
| public String toString() { |
| return string().toString(); |
| } |
| |
| } |