org.apache.solr.update.TimedVersionBucket Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of solr-core Show documentation
Show all versions of solr-core Show documentation
Apache Solr (module: core)
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.solr.update;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.apache.solr.common.SolrException;
/**
* This implementation uses lock and condition and will throw exception if it can't obtain the lock
* within lockTimeoutMs
.
*
* @lucene.internal
*/
public class TimedVersionBucket extends VersionBucket {
private final Lock lock = new ReentrantLock(true);
private final Condition condition = lock.newCondition();
/**
* This will run the function with the lock. It will throw exception if it can't obtain the lock
* within lockTimeoutMs
.
*/
@Override
public R runWithLock(int lockTimeoutMs, CheckedFunction function)
throws IOException {
if (tryLock(lockTimeoutMs)) {
return function.apply();
} else {
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR,
"Unable to get version bucket lock in " + lockTimeoutMs + " ms");
}
}
@Override
public void unlock() {
lock.unlock();
}
@Override
public void signalAll() {
condition.signalAll();
}
@Override
public void awaitNanos(long nanosTimeout) {
try {
if (nanosTimeout > 0) {
condition.awaitNanos(nanosTimeout);
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
}
protected boolean tryLock(int lockTimeoutMs) {
try {
return lock.tryLock(lockTimeoutMs, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
}
}