diff options
Diffstat (limited to 'common/src/main/java/me/lucko/spark/profiler/ThreadDumper.java')
-rw-r--r-- | common/src/main/java/me/lucko/spark/profiler/ThreadDumper.java | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/common/src/main/java/me/lucko/spark/profiler/ThreadDumper.java b/common/src/main/java/me/lucko/spark/profiler/ThreadDumper.java deleted file mode 100644 index 68d7dc9..0000000 --- a/common/src/main/java/me/lucko/spark/profiler/ThreadDumper.java +++ /dev/null @@ -1,77 +0,0 @@ -/* - * WarmRoast - * Copyright (C) 2013 Albert Pham <http://www.sk89q.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -package me.lucko.spark.profiler; - -import java.lang.management.ThreadInfo; -import java.lang.management.ThreadMXBean; -import java.util.Set; -import java.util.stream.Collectors; - -/** - * Uses the {@link ThreadMXBean} to generate {@link ThreadInfo} instances for the threads being - * sampled. - */ -@FunctionalInterface -public interface ThreadDumper { - - /** - * Generates {@link ThreadInfo} data for the sampled threads. - * - * @param threadBean the thread bean instance to obtain the data from - * @return an array of generated thread info instances - */ - ThreadInfo[] dumpThreads(ThreadMXBean threadBean); - - /** - * Implementation of {@link ThreadDumper} that generates data for all threads. - */ - ThreadDumper ALL = new All(); - - final class All implements ThreadDumper { - @Override - public ThreadInfo[] dumpThreads(ThreadMXBean threadBean) { - return threadBean.dumpAllThreads(false, false); - } - } - - /** - * Implementation of {@link ThreadDumper} that generates data for a specific set of threads. - */ - final class Specific implements ThreadDumper { - private final long[] ids; - - public Specific(long[] ids) { - this.ids = ids; - } - - public Specific(Set<String> names) { - Set<String> threadNamesLower = names.stream().map(String::toLowerCase).collect(Collectors.toSet()); - this.ids = Thread.getAllStackTraces().keySet().stream() - .filter(t -> threadNamesLower.contains(t.getName().toLowerCase())) - .mapToLong(Thread::getId) - .toArray(); - } - - @Override - public ThreadInfo[] dumpThreads(ThreadMXBean threadBean) { - return threadBean.getThreadInfo(this.ids, Integer.MAX_VALUE); - } - } - -} |