| /* |
| * 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.storm.scheduler.resource.strategies.scheduling; |
| |
| import org.apache.storm.scheduler.resource.normalization.NormalizedResourceOffer; |
| |
| /** |
| * class to keep track of resources on a rack or node. |
| */ |
| public class ObjectResourcesItem { |
| public final String id; |
| public NormalizedResourceOffer availableResources; |
| public NormalizedResourceOffer totalResources; |
| |
| /** |
| * Amongst all {@link #availableResources}, this is the minimum ratio of resource to the total available in group. |
| * Note that nodes are grouped into racks. And racks are grouped under the cluster. |
| * |
| * <p> |
| * An example of this calculation is in |
| * {@link NodeSorter#sortObjectResourcesCommon(ObjectResourcesSummary, ExecutorDetails, NodeSorter.ExistingScheduleFunc)} |
| * where value is calculated by {@link ObjectResourcesSummary#getAvailableResourcesOverall()} |
| * using {@link NormalizedResourceOffer#calculateMinPercentageUsedBy(NormalizedResourceOffer)}. |
| * </p> |
| */ |
| public double minResourcePercent = 0.0; |
| |
| /** |
| * Amongst all {@link #availableResources}, this is the average ratio of resource to the total available in group. |
| * Note that nodes are grouped into racks. And racks are grouped under the cluster. |
| * |
| * <p> |
| * An example of this calculation is in |
| * {@link NodeSorter#sortObjectResourcesCommon(ObjectResourcesSummary, ExecutorDetails, NodeSorter.ExistingScheduleFunc)} |
| * where value is calculated by {@link ObjectResourcesSummary#getAvailableResourcesOverall()} |
| * using {@link NormalizedResourceOffer#calculateAveragePercentageUsedBy(NormalizedResourceOffer)}. |
| * </p> |
| */ |
| public double avgResourcePercent = 0.0; |
| |
| public ObjectResourcesItem(String id) { |
| this.id = id; |
| this.availableResources = new NormalizedResourceOffer(); |
| this.totalResources = new NormalizedResourceOffer(); |
| } |
| |
| public ObjectResourcesItem(ObjectResourcesItem other) { |
| this(other.id, other.availableResources, other.totalResources, other.minResourcePercent, other.avgResourcePercent); |
| } |
| |
| public ObjectResourcesItem(String id, NormalizedResourceOffer availableResources, NormalizedResourceOffer totalResources, |
| double minResourcePercent, double avgResourcePercent) { |
| this.id = id; |
| this.availableResources = availableResources; |
| this.totalResources = totalResources; |
| this.minResourcePercent = minResourcePercent; |
| this.avgResourcePercent = avgResourcePercent; |
| } |
| |
| @Override |
| public String toString() { |
| return this.id; |
| } |
| } |