Java tutorial
/* * 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.beam.sdk.io.kinesis; import com.amazonaws.services.kinesis.producer.IKinesisProducer; import com.amazonaws.services.kinesis.producer.KinesisProducerConfiguration; import com.amazonaws.services.kinesis.producer.Metric; import com.amazonaws.services.kinesis.producer.UserRecord; import com.amazonaws.services.kinesis.producer.UserRecordResult; import com.google.common.util.concurrent.ListenableFuture; import com.google.common.util.concurrent.SettableFuture; import java.nio.ByteBuffer; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.concurrent.ExecutionException; import java.util.concurrent.atomic.AtomicInteger; import org.joda.time.DateTime; /** Simple mock implementation of {@link IKinesisProducer} for testing. */ public class KinesisProducerMock implements IKinesisProducer { private boolean isFailedFlush = false; private List<UserRecord> addedRecords = Collections.synchronizedList(new ArrayList<>()); private KinesisServiceMock kinesisService = KinesisServiceMock.getInstance(); private AtomicInteger seqNumber = new AtomicInteger(0); public KinesisProducerMock() { } public KinesisProducerMock(KinesisProducerConfiguration config, boolean isFailedFlush) { this.isFailedFlush = isFailedFlush; this.seqNumber.set(0); } @Override public ListenableFuture<UserRecordResult> addUserRecord(String stream, String partitionKey, ByteBuffer data) { throw new UnsupportedOperationException("Not implemented"); } @Override public ListenableFuture<UserRecordResult> addUserRecord(UserRecord userRecord) { throw new UnsupportedOperationException("Not implemented"); } @Override public synchronized ListenableFuture<UserRecordResult> addUserRecord(String stream, String partitionKey, String explicitHashKey, ByteBuffer data) { seqNumber.incrementAndGet(); SettableFuture<UserRecordResult> f = SettableFuture.create(); f.set(new UserRecordResult(new ArrayList<>(), String.valueOf(seqNumber.get()), explicitHashKey, !isFailedFlush)); if (kinesisService.getExistedStream().equals(stream)) { addedRecords.add(new UserRecord(stream, partitionKey, explicitHashKey, data)); } return f; } @Override public int getOutstandingRecordsCount() { return addedRecords.size(); } @Override public List<Metric> getMetrics(String metricName, int windowSeconds) throws InterruptedException, ExecutionException { throw new UnsupportedOperationException("Not implemented"); } @Override public List<Metric> getMetrics(String metricName) throws InterruptedException, ExecutionException { throw new UnsupportedOperationException("Not implemented"); } @Override public List<Metric> getMetrics() throws InterruptedException, ExecutionException { throw new UnsupportedOperationException("Not implemented"); } @Override public List<Metric> getMetrics(int windowSeconds) throws InterruptedException, ExecutionException { throw new UnsupportedOperationException("Not implemented"); } @Override public void destroy() { } @Override public void flush(String stream) { throw new UnsupportedOperationException("Not implemented"); } @Override public synchronized void flush() { DateTime arrival = DateTime.now(); for (int i = 0; i < addedRecords.size(); i++) { UserRecord record = addedRecords.get(i); arrival = arrival.plusSeconds(1); kinesisService.addShardedData(record.getData(), arrival); addedRecords.remove(i); } } @Override public synchronized void flushSync() { throw new UnsupportedOperationException("Not implemented"); } }