| /* |
| * 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.nemo.compiler.optimizer; |
| |
| import org.apache.nemo.common.Pair; |
| import org.apache.nemo.common.Util; |
| import org.apache.nemo.common.exception.InvalidParameterException; |
| import org.apache.nemo.common.exception.UnsupportedMethodException; |
| |
| /** |
| * Utility class for optimizer. |
| */ |
| public final class OptimizerUtils { |
| |
| /** |
| * Private constructor. |
| */ |
| private OptimizerUtils() { |
| } |
| |
| /** |
| * Restore the formatted string into a pair of vertex/edge id and the execution property. |
| * |
| * @param string the formatted string. |
| * @return a pair of vertex/edge id and the execution property key index. |
| */ |
| public static Pair<String, Integer> stringToIdAndEPKeyIndex(final String string) { |
| // Formatted into 9 digits: 0:vertex/edge 1-5:ID 5-9:EP Index. |
| if (string.length() != 9) { |
| throw new InvalidParameterException("The metric data should follow the format of " |
| + "[0]: index indicating vertex/edge, [1-4]: id of the component, and [5-8]: EP Key index. Current: " + string); |
| } |
| final Integer idx = Integer.parseInt(string.substring(0, 1)); |
| final Integer numericId = Integer.parseInt(string.substring(1, 5)); |
| final String id; |
| if (idx == 1) { |
| id = Util.restoreVertexId(numericId); |
| } else if (idx == 2) { |
| id = Util.restoreEdgeId(numericId); |
| } else { |
| throw new UnsupportedMethodException("The index " + idx + " cannot be categorized into a vertex or an edge"); |
| } |
| return Pair.of(id, Integer.parseInt(string.substring(5, 9))); |
| } |
| |
| /** |
| * Method to infiltrate keyword-containing string into the enum of Types above. |
| * |
| * @param environmentType the input string. |
| * @return the formatted string corresponding to each type. |
| */ |
| public static String filterEnvironmentTypeString(final String environmentType) { |
| if (environmentType.toLowerCase().contains("transient")) { |
| return "transient"; |
| } else if (environmentType.toLowerCase().contains("large") && environmentType.toLowerCase().contains("shuffle")) { |
| return "large_shuffle"; |
| } else if (environmentType.toLowerCase().contains("disaggregat")) { |
| return "disaggregation"; |
| } else if (environmentType.toLowerCase().contains("stream")) { |
| return "streaming"; |
| } else if (environmentType.toLowerCase().contains("small")) { |
| return "small_size"; |
| } else if (environmentType.toLowerCase().contains("skew")) { |
| return "data_skew"; |
| } else { |
| return ""; // Default |
| } |
| } |
| } |