| /* |
| * 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.plugins.document; |
| |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import javax.management.openmbean.OpenDataException; |
| import javax.management.openmbean.TabularDataSupport; |
| |
| import org.apache.jackrabbit.oak.commons.jmx.AbstractCheckpointMBean; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.jackrabbit.oak.plugins.document.Checkpoints.Info; |
| |
| /** |
| * {@code CheckpointMBean} implementation for the {@code DocumentNodeStore}. |
| */ |
| public class DocumentCheckpointMBean extends AbstractCheckpointMBean { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private final DocumentNodeStore store; |
| |
| public DocumentCheckpointMBean(DocumentNodeStore store) { |
| this.store = store; |
| } |
| |
| @Override |
| protected void collectCheckpoints(TabularDataSupport tab) throws OpenDataException { |
| Map<Revision, Info> checkpoints = store.getCheckpoints().getCheckpoints(); |
| |
| for (Entry<Revision, Info> checkpoint : checkpoints.entrySet()) { |
| String id = checkpoint.getKey().toString(); |
| Info info = checkpoint.getValue(); |
| Date created = new Date(checkpoint.getKey().getTimestamp()); |
| Date expires = new Date(info.getExpiryTime()); |
| tab.put(id, toCompositeData( |
| id, created.toString(), expires.toString(), info.get())); |
| } |
| } |
| |
| @Override |
| public long getOldestCheckpointCreationTimestamp() { |
| Map<Revision, Info> checkpoints = store.getCheckpoints().getCheckpoints(); |
| |
| long minTimestamp = Long.MAX_VALUE; |
| for (Entry<Revision, Info> checkpoint : checkpoints.entrySet()) { |
| minTimestamp = Math.min(minTimestamp, checkpoint.getKey().getTimestamp()); |
| } |
| |
| return (minTimestamp==Long.MAX_VALUE)?0:minTimestamp; |
| } |
| |
| @Override |
| public String createCheckpoint(long lifetime) { |
| String cp = store.checkpoint(lifetime); |
| log.info("Created checkpoint [{}] with lifetime {}", cp, lifetime); |
| return cp; |
| } |
| |
| @Override |
| public boolean releaseCheckpoint(String checkpoint) { |
| log.info("Released checkpoint [{}]", checkpoint); |
| return store.release(checkpoint); |
| } |
| |
| } |