io.netty.util.internal.shaded.org.jctools.queues.MessagePassingQueueUtil Maven / Gradle / Ivy
/*
* 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 io.netty.util.internal.shaded.org.jctools.queues;
import io.netty.util.internal.shaded.org.jctools.util.InternalAPI;
@InternalAPI
public final class MessagePassingQueueUtil
{
private MessagePassingQueueUtil()
{
}
public static int drain(
MessagePassingQueue queue,
MessagePassingQueue.Consumer c,
int limit)
{
E e;
int i = 0;
for (; i < limit && (e = queue.relaxedPoll()) != null; i++)
{
c.accept(e);
}
return i;
}
public static int drain(MessagePassingQueue queue, MessagePassingQueue.Consumer c)
{
E e;
int i = 0;
while ((e = queue.relaxedPoll()) != null)
{
i++;
c.accept(e);
}
return i;
}
public static void drain(
MessagePassingQueue queue,
MessagePassingQueue.Consumer c,
MessagePassingQueue.WaitStrategy wait,
MessagePassingQueue.ExitCondition exit)
{
int idleCounter = 0;
while (exit.keepRunning())
{
final E e = queue.relaxedPoll();
if (e == null)
{
idleCounter = wait.idle(idleCounter);
continue;
}
idleCounter = 0;
c.accept(e);
}
}
}