| /* |
| * |
| * 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.bookkeeper.client; |
| |
| import java.util.concurrent.TimeUnit; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryListener; |
| import org.apache.bookkeeper.util.MathUtils; |
| |
| @Slf4j |
| class ListenerBasedPendingReadOp extends PendingReadOp { |
| |
| final ReadEntryListener listener; |
| final Object ctx; |
| |
| ListenerBasedPendingReadOp(LedgerHandle lh, |
| ClientContext clientCtx, |
| long startEntryId, |
| long endEntryId, |
| ReadEntryListener listener, |
| Object ctx, |
| boolean isRecoveryRead) { |
| super(lh, clientCtx, startEntryId, endEntryId, isRecoveryRead); |
| this.listener = listener; |
| this.ctx = ctx; |
| } |
| |
| @Override |
| protected void submitCallback(int code) { |
| LedgerEntryRequest request; |
| while (!seq.isEmpty() && (request = seq.get(0)) != null) { |
| if (!request.isComplete()) { |
| return; |
| } |
| seq.remove(0); |
| long latencyNanos = MathUtils.elapsedNanos(requestTimeNanos); |
| LedgerEntry entry; |
| if (BKException.Code.OK == request.getRc()) { |
| clientCtx.getClientStats().getReadOpLogger() |
| .registerSuccessfulEvent(latencyNanos, TimeUnit.NANOSECONDS); |
| // callback with completed entry |
| entry = new LedgerEntry(request.entryImpl); |
| } else { |
| clientCtx.getClientStats().getReadOpLogger() |
| .registerFailedEvent(latencyNanos, TimeUnit.NANOSECONDS); |
| entry = null; |
| } |
| request.close(); |
| listener.onEntryComplete(request.getRc(), lh, entry, ctx); |
| } |
| // if all entries are already completed. |
| cancelSpeculativeTask(true); |
| } |
| |
| } |