nizhikov commented on a change in pull request #8909: URL: https://github.com/apache/ignite/pull/8909#discussion_r642933290
########## File path: modules/core/src/main/java/org/apache/ignite/internal/cdc/ChangeDataCaptureFileLockHolder.java ########## @@ -0,0 +1,57 @@ +/* + * 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.ignite.internal.cdc; + +import java.lang.management.ManagementFactory; +import java.util.function.Supplier; +import org.apache.ignite.IgniteLogger; +import org.apache.ignite.internal.processors.cache.persistence.FileLockHolder; + +/** + * Lock file holder for CDC application. + * + * @see ChangeDataCapture + * @see ChangeDataCaptureConsumerState + */ +public class ChangeDataCaptureFileLockHolder extends FileLockHolder { + /** Consumer ID. */ + private final Supplier<String> consumerId; + + /** + * @param rootDir Root directory for lock file. + * @param log Log. + */ + public ChangeDataCaptureFileLockHolder(String rootDir, Supplier<String> consumerId, IgniteLogger log) { + super(rootDir, log); + + this.consumerId = consumerId; + } + + /** {@inheritDoc} */ + @Override public String lockId() { + return "[consumerId=" + consumerId.get() + ",proc=" + ManagementFactory.getRuntimeMXBean().getName() + ']'; + + } + + /** {@inheritDoc} */ + @Override protected String warningMessage(String lockId) { Review comment: > Another process, but the same ChangeDataCaptureFileLockHolder instance. As you may see process name and possibly consumer will differ from local. So error message gives a hint on what process locks a specific folder. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
