| /** |
| * 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 com.datatorrent.stram.engine; |
| |
| import java.util.ArrayList; |
| |
| import com.datatorrent.api.Sink; |
| |
| /** |
| * A sink implementation to collect expected test results. |
| */ |
| public class TestSink implements Sink<Object> |
| { |
| public final ArrayList<Object> collectedTuples = new ArrayList<>(); |
| |
| public void clear() |
| { |
| this.collectedTuples.clear(); |
| } |
| |
| @Override |
| @SuppressWarnings("fallthrough") |
| public void put(Object payload) |
| { |
| synchronized (collectedTuples) { |
| collectedTuples.add(payload); |
| collectedTuples.notifyAll(); |
| } |
| } |
| |
| @Override |
| public int getCount(boolean reset) |
| { |
| return 0; |
| } |
| |
| public int getResultCount() |
| { |
| return collectedTuples.size(); |
| } |
| // public void waitForResultCount(int count, long timeoutMillis) throws InterruptedException |
| // { |
| // while (collectedTuples.size() < count && timeoutMillis > 0) { |
| // timeoutMillis -= 20; |
| // synchronized (collectedTuples) { |
| // if (collectedTuples.size() < count) { |
| // collectedTuples.wait(20); |
| // } |
| // } |
| // } |
| // } |
| |
| } |