| /* |
| * 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.client.impl; |
| |
| import java.util.BitSet; |
| import org.apache.pulsar.client.api.MessageId; |
| import org.apache.pulsar.client.api.MessageIdAdv; |
| |
| public class MessageIdAdvUtils { |
| |
| static int hashCode(MessageIdAdv msgId) { |
| return (int) (31 * (msgId.getLedgerId() + 31 * msgId.getEntryId()) |
| + (31 * (long) msgId.getPartitionIndex()) + msgId.getBatchIndex()); |
| } |
| |
| static boolean equals(MessageIdAdv lhs, Object o) { |
| if (!(o instanceof MessageIdAdv)) { |
| return false; |
| } |
| final MessageIdAdv rhs = (MessageIdAdv) o; |
| return lhs.getLedgerId() == rhs.getLedgerId() |
| && lhs.getEntryId() == rhs.getEntryId() |
| && lhs.getPartitionIndex() == rhs.getPartitionIndex() |
| && lhs.getBatchIndex() == rhs.getBatchIndex(); |
| } |
| |
| static boolean acknowledge(MessageIdAdv msgId, boolean individual) { |
| if (!isBatch(msgId)) { |
| return true; |
| } |
| final BitSet ackSet = msgId.getAckSet(); |
| if (ackSet == null) { |
| // The internal MessageId implementation should never reach here. If users have implemented their own |
| // MessageId and getAckSet() is not override, return false to avoid acknowledge current entry. |
| return false; |
| } |
| int batchIndex = msgId.getBatchIndex(); |
| if (individual) { |
| ackSet.clear(batchIndex); |
| } else { |
| ackSet.clear(0, batchIndex + 1); |
| } |
| return ackSet.isEmpty(); |
| } |
| |
| static boolean isBatch(MessageIdAdv msgId) { |
| return msgId.getBatchIndex() >= 0 && msgId.getBatchSize() > 0; |
| } |
| |
| static MessageIdAdv discardBatch(MessageId messageId) { |
| MessageIdAdv msgId = (MessageIdAdv) messageId; |
| return new MessageIdImpl(msgId.getLedgerId(), msgId.getEntryId(), msgId.getPartitionIndex()); |
| } |
| |
| static MessageIdAdv prevMessageId(MessageIdAdv msgId) { |
| return new MessageIdImpl(msgId.getLedgerId(), msgId.getEntryId() - 1, msgId.getPartitionIndex()); |
| } |
| } |