/*
* 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());
}
}