io.aeron.samples.SetControllableIdleStrategy Maven / Gradle / Ivy
Show all versions of aeron-samples Show documentation
/*
* Copyright 2014-2024 Real Logic Limited.
*
* 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
*
* https://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 io.aeron.samples;
import io.aeron.Aeron;
import io.aeron.driver.status.StatusUtil;
import org.agrona.concurrent.status.CountersReader;
import org.agrona.concurrent.status.StatusIndicator;
/**
* Allows a {@link org.agrona.concurrent.ControllableIdleStrategy} to be set via the command line.
*
* The first command line arg should be an integer value representing one of constants in
* {@link org.agrona.concurrent.ControllableIdleStrategy}.
*/
public class SetControllableIdleStrategy
{
/**
* Main method for launching the process.
*
* @param args passed to the process.
*/
public static void main(final String[] args)
{
if (args.length != 1)
{
System.out.format("Usage: SetControllableIdleStrategy ");
System.exit(0);
}
try (Aeron aeron = Aeron.connect())
{
final CountersReader countersReader = aeron.countersReader();
final StatusIndicator statusIndicator = StatusUtil.controllableIdleStrategy(countersReader);
if (null != statusIndicator)
{
final int status = Integer.parseInt(args[0]);
statusIndicator.setOrdered(status);
System.out.println("Set ControllableIdleStrategy status to " + status);
}
else
{
System.out.println("Could not find ControllableIdleStrategy status.");
}
}
}
}