| /* |
| * 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.sysds.runtime.privacy; |
| |
| import java.util.EnumMap; |
| import java.util.Map; |
| import java.util.concurrent.atomic.LongAdder; |
| import java.util.function.BiFunction; |
| |
| import org.apache.sysds.runtime.privacy.PrivacyConstraint.PrivacyLevel; |
| |
| /** |
| * Class counting the checked privacy constraints and the loaded privacy constraints. |
| */ |
| public class CheckedConstraintsLog { |
| private static Map<PrivacyLevel,LongAdder> loadedConstraintsTotal = new EnumMap<>(PrivacyLevel.class); |
| static { |
| for ( PrivacyLevel level : PrivacyLevel.values() ) |
| loadedConstraintsTotal.put(level, new LongAdder()); |
| } |
| private static Map<PrivacyLevel,LongAdder> checkedConstraintsTotal = new EnumMap<>(PrivacyLevel.class); |
| private static BiFunction<LongAdder, LongAdder, LongAdder> mergeLongAdders = (v1, v2) -> { |
| v1.add(v2.longValue() ); |
| return v1; |
| }; |
| |
| /** |
| * Adds checkedConstraints to the checked constraints total. |
| * @param checkedConstraints constraints checked by federated worker |
| */ |
| public static void addCheckedConstraints(Map<PrivacyLevel,LongAdder> checkedConstraints){ |
| if ( checkedConstraints != null){ |
| checkedConstraints.forEach( |
| (key,value) -> checkedConstraintsTotal.merge( key, value, mergeLongAdders) ); |
| } |
| } |
| |
| /** |
| * Add an occurence of the given privacy level to the loaded constraints log total. |
| * @param level privacy level from loaded privacy constraint |
| */ |
| public static void addLoadedConstraint(PrivacyLevel level){ |
| if (level != null) |
| loadedConstraintsTotal.get(level).increment(); |
| } |
| |
| /** |
| * Remove all elements from checked constraints log and loaded constraints log. |
| */ |
| public static void reset(){ |
| checkedConstraintsTotal.clear(); |
| loadedConstraintsTotal.replaceAll((k,v)->new LongAdder()); |
| } |
| |
| public static Map<PrivacyLevel,LongAdder> getCheckedConstraints(){ |
| return checkedConstraintsTotal; |
| } |
| |
| public static Map<PrivacyLevel, LongAdder> getLoadedConstraints(){ |
| return loadedConstraintsTotal; |
| } |
| |
| /** |
| * Get string representing all contents of the checked constraints log. |
| * @return string representation of checked constraints log. |
| */ |
| public static String display(){ |
| StringBuilder sb = new StringBuilder(); |
| sb.append("Checked Privacy Constraints:\n"); |
| checkedConstraintsTotal.forEach((k,v)->sb.append("\t" + k + ": " + v + "\n")); |
| sb.append("Loaded Privacy Constraints:\n"); |
| loadedConstraintsTotal.forEach((k,v)->sb.append("\t" + k + ": " + v + "\n")); |
| return sb.toString(); |
| } |
| } |