| /* |
| * 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.ignite.stream.twitter; |
| |
| import com.twitter.hbc.core.Client; |
| import com.twitter.hbc.core.HttpHosts; |
| import com.twitter.hbc.core.endpoint.StreamingEndpoint; |
| import java.util.Map; |
| import java.util.concurrent.BlockingQueue; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.lang.IgniteBiTuple; |
| import org.apache.ignite.stream.StreamSingleTupleExtractor; |
| import twitter4j.Status; |
| import twitter4j.TwitterException; |
| import twitter4j.TwitterObjectFactory; |
| |
| /** |
| * Long, String (With Mocked server support) implementation of TwitterStreamer. |
| */ |
| public class TwitterStreamerImpl extends TwitterStreamer<Long, String> { |
| /** Mocked server support. */ |
| HttpHosts hosts; |
| |
| /** |
| * @param oAuthSettings OAuth Settings |
| */ |
| public TwitterStreamerImpl(OAuthSettings oAuthSettings) { |
| super(oAuthSettings); |
| |
| setSingleTupleExtractor(new TwitterStreamSingleTupleExtractorImpl()); |
| } |
| |
| /** |
| * @param hosts hosts. |
| */ |
| public void setHosts(HttpHosts hosts) { |
| this.hosts = hosts; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected Client buildClient(BlockingQueue<String> tweetQueue, HttpHosts hosts, |
| StreamingEndpoint endpoint) { |
| return super.buildClient(tweetQueue, this.hosts, endpoint); |
| } |
| |
| /** |
| * Long, String Tweet Single Tuple Extractor. |
| */ |
| class TwitterStreamSingleTupleExtractorImpl implements StreamSingleTupleExtractor<String, Long, String> { |
| @Override public Map.Entry<Long, String> extract(String tweet) { |
| try { |
| Status status = TwitterObjectFactory.createStatus(tweet); |
| |
| return new IgniteBiTuple<>(status.getId(), status.getText()); |
| } |
| catch (TwitterException e) { |
| U.error(log, e); |
| |
| return null; |
| } |
| } |
| } |
| |
| } |