| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.hadoop.yarn.api.records; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.yarn.api.protocolrecords.ResourceTypes; |
| import org.apache.hadoop.yarn.util.Records; |
| |
| /** |
| * Class to encapsulate information about a ResourceType - the name of the |
| * resource, the units(milli, micro, etc), the type(countable). |
| */ |
| public abstract class ResourceTypeInfo implements Comparable<ResourceTypeInfo> { |
| |
| /** |
| * Get the name for the resource. |
| * |
| * @return resource name |
| */ |
| public abstract String getName(); |
| |
| /** |
| * Set the name for the resource. |
| * |
| * @param rName |
| * name for the resource |
| */ |
| public abstract void setName(String rName); |
| |
| /** |
| * Get units for the resource. |
| * |
| * @return units for the resource |
| */ |
| public abstract String getDefaultUnit(); |
| |
| /** |
| * Set the units for the resource. |
| * |
| * @param rUnits |
| * units for the resource |
| */ |
| public abstract void setDefaultUnit(String rUnits); |
| |
| /** |
| * Get the resource type. |
| * |
| * @return the resource type |
| */ |
| public abstract ResourceTypes getResourceType(); |
| |
| /** |
| * Set the resource type. |
| * |
| * @param type |
| * the resource type |
| */ |
| public abstract void setResourceType(ResourceTypes type); |
| |
| /** |
| * Create a new instance of ResourceTypeInfo from another object. |
| * |
| * @param other |
| * the object from which the new object should be created |
| * @return the new ResourceTypeInfo object |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public static ResourceTypeInfo newInstance(ResourceTypeInfo other) { |
| ResourceTypeInfo resourceType = Records.newRecord(ResourceTypeInfo.class); |
| copy(other, resourceType); |
| return resourceType; |
| } |
| |
| /** |
| * Create a new instance of ResourceTypeInfo from name, units and type. |
| * |
| * @param name name of resource type |
| * @param units units of resource type |
| * @param type such as countable, etc. |
| * @return the new ResourceTypeInfo object |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public static ResourceTypeInfo newInstance(String name, String units, |
| ResourceTypes type) { |
| ResourceTypeInfo resourceType = Records.newRecord(ResourceTypeInfo.class); |
| resourceType.setName(name); |
| resourceType.setResourceType(type); |
| resourceType.setDefaultUnit(units); |
| return resourceType; |
| } |
| |
| /** |
| * Create a new instance of ResourceTypeInfo from name, units. |
| * |
| * @param name name of resource type |
| * @param units units of resource type |
| * @return the new ResourceTypeInfo object |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public static ResourceTypeInfo newInstance(String name, String units) { |
| return ResourceTypeInfo.newInstance(name, units, ResourceTypes.COUNTABLE); |
| } |
| |
| /** |
| * Create a new instance of ResourceTypeInfo from name. |
| * |
| * @param name name of resource type |
| * @return the new ResourceTypeInfo object |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public static ResourceTypeInfo newInstance(String name) { |
| return ResourceTypeInfo.newInstance(name, ""); |
| } |
| |
| /** |
| * Copies the content of the source ResourceTypeInfo object to the |
| * destination object, overwriting all properties of the destination object. |
| * |
| * @param src |
| * Source ResourceTypeInfo object |
| * @param dst |
| * Destination ResourceTypeInfo object |
| */ |
| |
| public static void copy(ResourceTypeInfo src, ResourceTypeInfo dst) { |
| dst.setName(src.getName()); |
| dst.setResourceType(src.getResourceType()); |
| dst.setDefaultUnit(src.getDefaultUnit()); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("<name=").append(this.getName()).append(" default-unit=").append( |
| this.getDefaultUnit()).append(" type=" + getResourceType()).append( |
| ">"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (!(obj instanceof ResourceTypeInfo)) { |
| return false; |
| } |
| ResourceTypeInfo r = (ResourceTypeInfo) obj; |
| return this.getName().equals(r.getName()) |
| && this.getResourceType().equals(r.getResourceType()) |
| && this.getDefaultUnit().equals(r.getDefaultUnit()); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 47; |
| int result = prime + getName().hashCode(); |
| result = prime * result + getResourceType().hashCode(); |
| return result; |
| } |
| |
| @Override |
| public int compareTo(ResourceTypeInfo other) { |
| int diff = this.getName().compareTo(other.getName()); |
| if (diff == 0) { |
| diff = this.getDefaultUnit().compareTo(other.getDefaultUnit()); |
| if (diff == 0) { |
| diff = this.getResourceType().compareTo(other.getResourceType()); |
| } |
| } |
| return diff; |
| } |
| } |