| /* |
| * 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.ignite.tensorflow.cluster.spec; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.ignite.Ignite; |
| |
| /** |
| * TensorFlow cluster specification. |
| */ |
| public class TensorFlowClusterSpec implements Serializable { |
| /** */ |
| private static final long serialVersionUID = 1428581667528448091L; |
| |
| /** TensorFlow cluster jobs. */ |
| private final Map<String, List<TensorFlowServerAddressSpec>> jobs = new HashMap<>(); |
| |
| /** |
| * Adds new task to the cluster specification. |
| * |
| * @param jobName Job name. |
| * @param nodeId Node identifier. |
| * @param port Port number. |
| * @return This instance of TensorFlow cluster specification. |
| */ |
| public TensorFlowClusterSpec addTask(String jobName, UUID nodeId, int port) { |
| jobs.putIfAbsent(jobName, new ArrayList<>()); |
| |
| List<TensorFlowServerAddressSpec> tasks = jobs.get(jobName); |
| |
| tasks.add(new TensorFlowServerAddressSpec(nodeId, port)); |
| |
| return this; |
| } |
| |
| /** |
| * Formats cluster specification so that TensorFlow accepts it. |
| * |
| * @param ignite Ignite instance. |
| * @return Formatted cluster specification. |
| */ |
| public String format(Ignite ignite) { |
| StringBuilder builder = new StringBuilder(); |
| |
| builder.append("{\n"); |
| |
| for (Map.Entry<String, List<TensorFlowServerAddressSpec>> entry : jobs.entrySet()) { |
| builder |
| .append("\t\"") |
| .append(entry.getKey()) |
| .append("\" : [ "); |
| |
| for (TensorFlowServerAddressSpec address : entry.getValue()) { |
| builder |
| .append("\n\t\t\"") |
| .append(address.format(ignite)) |
| .append("\", "); |
| } |
| |
| if (!entry.getValue().isEmpty()) |
| builder.delete(builder.length() - 2, builder.length()); |
| |
| builder.append("\n\t],\n"); |
| } |
| |
| if (!jobs.isEmpty()) |
| builder.delete(builder.length() - 2, builder.length() - 1); |
| |
| builder.append('}'); |
| |
| return builder.toString(); |
| } |
| |
| /** */ |
| public Map<String, List<TensorFlowServerAddressSpec>> getJobs() { |
| return jobs; |
| } |
| } |