| /** |
| * 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.pulsar.common.policies.data; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * This object is populated using meta data in zookeeper without actually bringing the topic online. |
| */ |
| public class PersistentOfflineTopicStats { |
| /** Space used to store the messages for the topic (bytes). */ |
| public long storageSize; |
| |
| /** Total number of messages. */ |
| public long totalMessages; |
| |
| /** Total backlog. */ |
| public long messageBacklog; |
| |
| /** Broker host where this stat was generated. */ |
| public final String brokerName; |
| |
| /** Offline topic name. */ |
| public final String topicName; |
| |
| /** Data ledger ids. */ |
| public List<LedgerDetails> dataLedgerDetails; |
| |
| /** Cursor ledger ids and backlog. */ |
| public Map<String, CursorDetails> cursorDetails; |
| |
| /** Timestamp when stat was generated. */ |
| public Date statGeneratedAt; |
| |
| public PersistentOfflineTopicStats(String topicName, String brokerName) { |
| this.brokerName = brokerName; |
| this.topicName = topicName; |
| this.dataLedgerDetails = Lists.newArrayList(); |
| this.cursorDetails = Maps.newHashMap(); |
| this.statGeneratedAt = new Date(System.currentTimeMillis()); |
| } |
| |
| public void reset() { |
| this.storageSize = 0; |
| this.totalMessages = 0; |
| this.messageBacklog = 0; |
| this.dataLedgerDetails.clear(); |
| this.cursorDetails.clear(); |
| this.statGeneratedAt.setTime(System.currentTimeMillis()); |
| } |
| |
| /** |
| * Details about a cursor. |
| */ |
| public static class CursorDetails { |
| public long cursorBacklog; |
| public long cursorLedgerId; |
| |
| public CursorDetails(long cursorBacklog, long cursorLedgerId) { |
| this.cursorBacklog = cursorBacklog; |
| this.cursorLedgerId = cursorLedgerId; |
| } |
| } |
| |
| public void addCursorDetails(String cursor, long backlog, long ledgerId) { |
| this.cursorDetails.put(cursor, new CursorDetails(backlog, ledgerId)); |
| } |
| |
| public void addLedgerDetails(long entries, long timestamp, long size, long ledgerId) { |
| this.dataLedgerDetails.add(new LedgerDetails(entries, timestamp, size, ledgerId)); |
| } |
| |
| /** |
| * Details about a ledger. |
| */ |
| public static class LedgerDetails { |
| public long entries; |
| public long timestamp; |
| public long size; |
| public long ledgerId; |
| |
| public LedgerDetails(long entries, long timestamp, long size, long ledgerId) { |
| this.entries = entries; |
| this.timestamp = timestamp; |
| this.size = size; |
| this.ledgerId = ledgerId; |
| } |
| } |
| } |