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BlockingRunnableImpl.java
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BlockingRunnableImpl.java
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/*
* Copyright (c) 2023, 2024 Contributors to the Eclipse Foundation.
* Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.enterprise.concurrent.test;
import static java.lang.System.Logger.Level.DEBUG;
import static java.lang.System.Logger.Level.TRACE;
public class BlockingRunnableImpl extends RunnableImpl {
private long blockTime;
private volatile boolean interrupted;
private volatile boolean stopBlocking;
private final System.Logger logger = System.getLogger(this.getClass().getName());
public BlockingRunnableImpl(ManagedTaskListenerImpl taskListener,
long blockTime) {
super(taskListener);
this.blockTime = blockTime;
}
private void busyWait() {
// busy wait until stopBlocking is set
debug("busyWait stopBlocking is " + stopBlocking);
while (!stopBlocking) {
try {
logger.log(TRACE, "busyWait, sleeping, task = " + this);
Thread.sleep(100 /*ms*/);
} catch (InterruptedException e) {
debug("busyWait, InterruptedException, task = " + this);
interrupted = true;
}
}
debug("done busyWait. interrupted=" + interrupted );
}
private void blockForSpecifiedTime() {
// blocks until timed out or interrupted
try {
Thread.sleep(blockTime);
}
catch (InterruptedException e) {
interrupted = true;
}
}
public void run() {
debug("BlockingRunnableImpl.run() " + this);
if (blockTime == 0) {
busyWait();
} else {
blockForSpecifiedTime();
}
debug("BlockingRunnableImpl.run() done " + this);
runCalled = true;
}
public boolean isInterrupted() {
return interrupted;
}
public void stopBlocking() {
stopBlocking = true;
}
public void debug(String msg) {
logger.log(DEBUG, msg);
}
}