| /* |
| * 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.samza.clustermanager; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| |
| /** |
| * Specification of a Samza Resource. A resource is identified by a unique resource ID. |
| * A resource is currently comprised of CPUs and Memory resources on a host. |
| */ |
| public class SamzaResource { |
| private final int numCores; |
| private final int memoryMb; |
| private final String host; |
| private final String containerId; |
| private final long timestamp; |
| |
| //TODO: Investigate adding disk space. Mesos supports disk based reservations. |
| |
| public SamzaResource(int numCores, int memoryMb, String host, String containerId) { |
| this.numCores = numCores; |
| this.memoryMb = memoryMb; |
| this.host = host; |
| this.containerId = containerId; |
| this.timestamp = System.currentTimeMillis(); |
| } |
| |
| @VisibleForTesting |
| SamzaResource(int numCores, int memoryMb, String host, String containerId, long timestamp) { |
| this.numCores = numCores; |
| this.memoryMb = memoryMb; |
| this.host = host; |
| this.containerId = containerId; |
| this.timestamp = timestamp; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| SamzaResource resource = (SamzaResource) o; |
| |
| if (numCores != resource.numCores) return false; |
| if (memoryMb != resource.memoryMb) return false; |
| return containerId.equals(resource.containerId); |
| |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = numCores; |
| result = 31 * result + memoryMb; |
| result = 31 * result + containerId.hashCode(); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "SamzaResource{" + |
| "host='" + host + '\'' + |
| ", containerId='" + containerId + '\'' + |
| '}'; |
| } |
| |
| public int getNumCores() { |
| return numCores; |
| } |
| |
| public int getMemoryMb() { |
| return memoryMb; |
| } |
| |
| public String getHost() { |
| return host; |
| } |
| |
| public String getContainerId() { |
| return containerId; |
| } |
| |
| public long getTimestamp() { |
| return timestamp; |
| } |
| } |