| /* |
| * 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.jackrabbit.oak.segment; |
| |
| /** |
| * SegmentNodeStoreMonitor is notified for commit related operations performed by SegmentNodeStore. |
| */ |
| public interface SegmentNodeStoreMonitor { |
| |
| SegmentNodeStoreMonitor DEFAULT = new SegmentNodeStoreMonitor() { |
| @Override |
| public void onCommit(Thread t, long time) { |
| |
| } |
| |
| @Override |
| public void onCommitQueued(Thread t) { |
| |
| } |
| |
| @Override |
| public void onCommitDequeued(Thread t, long time) { |
| |
| } |
| }; |
| |
| /** |
| * Notifies the monitor when a new commit was persisted. |
| * @param t the thread which initiated the write |
| * @param time the time spent for persisting the commit |
| */ |
| void onCommit(Thread t, long time); |
| |
| /** |
| * Notifies the monitor when a new commit couldn't be persisted, but was |
| * queued for later retry. |
| * |
| * @param t the thread which initiated the write |
| */ |
| void onCommitQueued(Thread t); |
| |
| /** |
| * Notifies the monitor when a queued commit was dequeued for processing. |
| * @param t the thread which initiated the write |
| * @param time the time spent in the queue |
| */ |
| void onCommitDequeued(Thread t, long time); |
| |
| } |