n3nash commented on a change in pull request #2374: URL: https://github.com/apache/hudi/pull/2374#discussion_r550974353
########## File path: hudi-common/src/main/java/org/apache/hudi/common/lock/LockProvider.java ########## @@ -0,0 +1,66 @@ +/* + * 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.hudi.common.lock; + +import org.apache.hudi.common.config.LockConfiguration; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; + +import java.util.concurrent.TimeUnit; +import java.util.concurrent.locks.Condition; +import java.util.concurrent.locks.Lock; + +/** + * Pluggable lock implementations using this provider class. + */ +public abstract class LockProvider implements Lock, AutoCloseable { + + private static final Logger LOG = LogManager.getLogger(LockProvider.class); + + protected LockConfiguration lockConfiguration; + + protected abstract void acquireLock() throws Exception; + + @Override + public final void lock() { + LOG.info("Acquiring lock"); + try { + acquireLock(); + } catch (Exception e) { + throw new RuntimeException(e); + } + LOG.info("Acquired lock"); + } + + @Override + public final void lockInterruptibly() { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean tryLock(long time, TimeUnit unit) { Review comment: Had implemented this differently earlier, changed some of the contracts, take a look again please ---------------------------------------------------------------- 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]
