/*
* The MIT License
*
* Copyright (c) 2015 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.github.olivergondza.dumpling.query;
import javax.annotation.Nonnull;
import org.kohsuke.args4j.CmdLineException;
import org.kohsuke.args4j.Option;
import com.github.olivergondza.dumpling.cli.CliCommand;
import com.github.olivergondza.dumpling.cli.ProcessStream;
import com.github.olivergondza.dumpling.model.ProcessRuntime;
import com.github.olivergondza.dumpling.query.Deadlocks.Result;
public final class DeadlocksCommand implements CliCommand {
@Option(name = "-i", aliases = {"--in"}, required = true, usage = "Input for process runtime")
private ProcessRuntime<?, ?, ?> runtime;
@Option(name = "--show-stack-traces", usage = "List stack traces of all threads involved")
private boolean showStackTraces = false;
@Override
public String getName() {
return "deadlocks";
}
@Override
public String getDescription() {
return "Detect cycles of blocked threads";
}
@Override
public int run(@Nonnull ProcessStream process) throws CmdLineException {
@SuppressWarnings({"rawtypes", "unchecked"})
Result<?, ?, ?> result = new Result(runtime.getThreads(), showStackTraces);
result.printInto(process.out());
return result.exitCode();
}
}