| /* |
| * 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.distributedlog; |
| |
| import static org.apache.distributedlog.util.FutureUtils.newTFuture; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.twitter.util.Future; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| import scala.Function1; |
| import scala.runtime.AbstractFunction1; |
| |
| /** |
| * Implementation wrapper of {@link org.apache.distributedlog.api.AsyncLogReader}. |
| */ |
| class AsyncLogReaderImpl implements AsyncLogReader { |
| |
| static final Function1<org.apache.distributedlog.api.AsyncLogReader, AsyncLogReader> MAP_FUNC = |
| new AbstractFunction1<org.apache.distributedlog.api.AsyncLogReader, AsyncLogReader>() { |
| @Override |
| public AsyncLogReader apply(org.apache.distributedlog.api.AsyncLogReader reader) { |
| return new AsyncLogReaderImpl(reader); |
| } |
| }; |
| |
| private final org.apache.distributedlog.api.AsyncLogReader impl; |
| |
| AsyncLogReaderImpl(org.apache.distributedlog.api.AsyncLogReader impl) { |
| this.impl = impl; |
| } |
| |
| @VisibleForTesting |
| org.apache.distributedlog.api.AsyncLogReader getImpl() { |
| return impl; |
| } |
| |
| @Override |
| public String getStreamName() { |
| return impl.getStreamName(); |
| } |
| |
| @Override |
| public Future<LogRecordWithDLSN> readNext() { |
| return newTFuture(impl.readNext()); |
| } |
| |
| @Override |
| public Future<List<LogRecordWithDLSN>> readBulk(int numEntries) { |
| return newTFuture(impl.readBulk(numEntries)); |
| } |
| |
| @Override |
| public Future<List<LogRecordWithDLSN>> readBulk(int numEntries, long waitTime, TimeUnit timeUnit) { |
| return newTFuture(impl.readBulk(numEntries, waitTime, timeUnit)); |
| } |
| |
| @Override |
| public Future<Void> asyncClose() { |
| return newTFuture(impl.asyncClose()); |
| } |
| } |