| /* |
| * 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.drill.exec.resourcemgr; |
| |
| /** |
| * Provides resources for a node in cluster. Currently it is used to support only 2 kind of resources: |
| * <ul> |
| * <li>Memory</li> |
| * <li>Virtual CPU count</li> |
| * </ul> |
| * It also has a version field to support extensibility in future to add other resources like network, disk, etc |
| */ |
| public class NodeResources { |
| |
| private final int version; |
| |
| private final long memoryInBytes; |
| |
| private final int numVirtualCpu; |
| |
| public NodeResources(long memoryInBytes, int numVirtualCpu) { |
| this.memoryInBytes = memoryInBytes; |
| this.numVirtualCpu = numVirtualCpu; |
| this.version = 1; |
| } |
| |
| public NodeResources(long memoryInBytes, int numPhysicalCpu, int vFactor) { |
| this(memoryInBytes, numPhysicalCpu * vFactor); |
| } |
| |
| public long getMemoryInBytes() { |
| return memoryInBytes; |
| } |
| |
| public long getMemoryInMB() { |
| return Math.round((memoryInBytes / 1024L) / 1024L); |
| } |
| |
| public long getMemoryInGB() { |
| return Math.round(getMemoryInMB() / 1024L); |
| } |
| |
| public int getNumVirtualCpu() { |
| return numVirtualCpu; |
| } |
| |
| @Override |
| public String toString() { |
| return "{ Version: " + version + ", MemoryInBytes: " + memoryInBytes + ", VirtualCPU: " + numVirtualCpu + " }"; |
| } |
| } |