| /* |
| * 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.flink.streaming.connectors.kafka.testutils; |
| |
| import org.apache.flink.streaming.api.functions.source.SourceFunction; |
| import org.apache.flink.streaming.api.watermark.Watermark; |
| import org.apache.flink.streaming.runtime.streamrecord.StreamRecord; |
| |
| /** |
| * Test {@link SourceFunction.SourceContext}. |
| */ |
| public class TestSourceContext<T> implements SourceFunction.SourceContext<T> { |
| |
| private final Object checkpointLock = new Object(); |
| private final Object watermarkLock = new Object(); |
| |
| private volatile StreamRecord<T> latestElement; |
| private volatile Watermark currentWatermark; |
| |
| @Override |
| public void collect(T element) { |
| this.latestElement = new StreamRecord<>(element); |
| } |
| |
| @Override |
| public void collectWithTimestamp(T element, long timestamp) { |
| this.latestElement = new StreamRecord<>(element, timestamp); |
| } |
| |
| @Override |
| public void emitWatermark(Watermark mark) { |
| synchronized (watermarkLock) { |
| currentWatermark = mark; |
| watermarkLock.notifyAll(); |
| } |
| } |
| |
| @Override |
| public void markAsTemporarilyIdle() { |
| // do nothing |
| } |
| |
| @Override |
| public Object getCheckpointLock() { |
| return checkpointLock; |
| } |
| |
| @Override |
| public void close() { |
| // do nothing |
| } |
| |
| public StreamRecord<T> getLatestElement() { |
| return latestElement; |
| } |
| |
| public boolean hasWatermark() { |
| return currentWatermark != null; |
| } |
| |
| public Watermark getLatestWatermark() throws InterruptedException { |
| synchronized (watermarkLock) { |
| while (currentWatermark == null) { |
| watermarkLock.wait(); |
| } |
| Watermark wm = currentWatermark; |
| currentWatermark = null; |
| return wm; |
| } |
| } |
| } |