org.igniterealtime.smack.inttest.util.ResultSyncPoint Maven / Gradle / Ivy
/**
*
* Copyright 2015-2024 Florian Schmaus
*
* 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 org.igniterealtime.smack.inttest.util;
import java.util.concurrent.TimeoutException;
import org.jivesoftware.smack.util.Objects;
public class ResultSyncPoint {
private R result;
private E exception;
public R waitForResult(long timeout) throws E, InterruptedException, TimeoutException {
return waitForResult(timeout, null);
}
public R waitForResult(long timeout, String timeoutMessage) throws E, InterruptedException, TimeoutException {
synchronized (this) {
if (result != null) {
return result;
}
if (exception != null) {
throw exception;
}
final long deadline = System.currentTimeMillis() + timeout;
while (result == null && exception == null) {
final long now = System.currentTimeMillis();
if (now >= deadline) break;
wait(deadline - now);
}
}
if (result != null) {
return result;
}
if (exception != null) {
throw exception;
}
String message = "Timeout after " + timeout + "ms";
if (timeoutMessage != null) {
message += ": " + timeoutMessage;
}
throw new TimeoutException(message);
}
public void signal(R result) {
synchronized (this) {
this.result = Objects.requireNonNull(result);
notifyAll();
}
}
public void signal(E exception) {
synchronized (this) {
this.exception = Objects.requireNonNull(exception);
notifyAll();
}
}
}