| /* |
| * 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.hadoop.hdds.utils.db.managed; |
| |
| import org.apache.hadoop.hdds.HddsUtils; |
| import org.rocksdb.RocksObject; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Utilities to help assert RocksObject closures. |
| */ |
| public final class ManagedRocksObjectUtils { |
| private ManagedRocksObjectUtils() { |
| } |
| |
| public static final Logger LOG = |
| LoggerFactory.getLogger(ManagedRocksObjectUtils.class); |
| |
| static void assertClosed(RocksObject rocksObject) { |
| assertClosed(rocksObject, null); |
| } |
| |
| public static void assertClosed(ManagedObject<?> object) { |
| assertClosed(object.get(), object.getStackTrace()); |
| } |
| |
| static void assertClosed(RocksObject rocksObject, String stackTrace) { |
| ManagedRocksObjectMetrics.INSTANCE.increaseManagedObject(); |
| if (rocksObject.isOwningHandle()) { |
| ManagedRocksObjectMetrics.INSTANCE.increaseLeakObject(); |
| String warning = String.format("%s is not closed properly", |
| rocksObject.getClass().getSimpleName()); |
| if (stackTrace != null && LOG.isDebugEnabled()) { |
| String debugMessage = String |
| .format("%nStackTrace for unclosed instance: %s", stackTrace); |
| warning = warning.concat(debugMessage); |
| } |
| LOG.warn(warning); |
| } |
| } |
| |
| static StackTraceElement[] getStackTrace() { |
| return HddsUtils.getStackTrace(LOG); |
| } |
| |
| static String formatStackTrace(StackTraceElement[] elements) { |
| return HddsUtils.formatStackTrace(elements, 3); |
| } |
| |
| } |