org.igniterealtime.smack.inttest.util.MultiResultSyncPoint Maven / Gradle / Ivy
/**
*
* Copyright 2021-2024 Guus der Kinderen
*
* 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.ArrayList;
import java.util.List;
import java.util.concurrent.TimeoutException;
import org.jivesoftware.smack.util.Objects;
public class MultiResultSyncPoint {
private final List results;
private E exception;
private final int expectedResultCount;
public MultiResultSyncPoint(int expectedResultCount) {
this.expectedResultCount = expectedResultCount;
this.results = new ArrayList<>(expectedResultCount);
}
public synchronized List waitForResults(long timeout) throws E, InterruptedException, TimeoutException {
return waitForResults(timeout, null);
}
public synchronized List waitForResults(long timeout, String timeoutMessage) throws E, InterruptedException, TimeoutException {
long now = System.currentTimeMillis();
final long deadline = now + timeout;
while (results.size() < expectedResultCount && exception == null && now < deadline) {
wait(deadline - now);
now = System.currentTimeMillis();
}
if (now >= deadline) {
StringBuilder sb = new StringBuilder();
if (timeoutMessage != null) {
sb.append(timeoutMessage).append(". ");
}
sb.append("MultiResultSyncPoint timeout waiting " + timeout + " ms. Got " + results.size() + " results of " + expectedResultCount + " results");
throw new TimeoutException(sb.toString());
}
if (exception != null) throw exception;
return new ArrayList<>(results);
}
public synchronized void signal(R result) {
this.results.add(Objects.requireNonNull(result));
if (expectedResultCount <= results.size()) {
notifyAll();
}
}
public synchronized void signal(E exception) {
this.exception = Objects.requireNonNull(exception);
notifyAll();
}
}