| /* |
| * 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.io.PrintWriter; |
| import java.util.Map; |
| import java.util.SortedMap; |
| import java.util.TreeMap; |
| |
| import org.apache.jackrabbit.guava.common.base.Strings; |
| |
| import org.apache.felix.inventory.Format; |
| import org.apache.felix.inventory.InventoryPrinter; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| |
| /** |
| * Inventory printer for {@link DocumentStore#getStats()}. |
| */ |
| @Component(property = { |
| "felix.inventory.printer.name=oak-document-store-stats", |
| "felix.inventory.printer.title=Oak DocumentStore Statistics", |
| "felix.inventory.printer.format=TEXT" |
| }) |
| public class DocumentStoreStatsPrinter implements InventoryPrinter { |
| |
| @Reference |
| DocumentNodeStore nodeStore; |
| |
| @Override |
| public void print(PrintWriter pw, Format format, boolean isZip) { |
| if (format != Format.TEXT) { |
| return; |
| } |
| DocumentStore store = nodeStore.getDocumentStore(); |
| printTitle(pw, "DocumentStore metadata"); |
| print(pw, store.getMetadata()); |
| pw.println(); |
| printTitle(pw, "DocumentStore statistics"); |
| print(pw, store.getStats()); |
| pw.flush(); |
| } |
| |
| private void printTitle(PrintWriter pw, String title) { |
| pw.println(title); |
| pw.println(Strings.repeat("=", title.length())); |
| } |
| |
| private void print(PrintWriter pw, Map<String, String> data) { |
| SortedMap<String, String> sortedData = new TreeMap<>(data); |
| sortedData.forEach((k, v) -> pw.println(k + "=" + v)); |
| } |
| } |