/* * Copyright 2017 Ben Manes. All Rights Reserved. * * Licensed 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 com.github.benmanes.caffeine.cache.simulator.parser.gradle; import java.io.IOException; import java.math.BigInteger; import java.util.List; import java.util.stream.LongStream; import com.github.benmanes.caffeine.cache.simulator.parser.TextTraceReader; /** * A reader for the Gradle Build Cache trace files provided by the Gradle team. * * @author ben.manes@gmail.com (Ben Manes) */ public final class GradleTraceReader extends TextTraceReader { public GradleTraceReader(List<String> filePaths) { super(filePaths); } @Override public LongStream events() throws IOException { return lines() .map(uuid -> new BigInteger(uuid, 16)) .mapToLong(num -> num.shiftRight(64).longValue() ^ num.longValue()); } }