Github user ptgoetz commented on a diff in the pull request:
https://github.com/apache/storm/pull/934#discussion_r47144504
--- Diff:
examples/storm-starter/src/jvm/storm/starter/BlobStoreAPIWordCountTopology.java
---
@@ -0,0 +1,248 @@
+/**
+ * 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 storm.starter;
+
+import backtype.storm.Config;
+import backtype.storm.StormSubmitter;
+import backtype.storm.LocalCluster;
+import backtype.storm.blobstore.AtomicOutputStream;
+import backtype.storm.blobstore.ClientBlobStore;
+import backtype.storm.blobstore.InputStreamWithMeta;
+import backtype.storm.blobstore.NimbusBlobStore;
+
+import backtype.storm.generated.AccessControl;
+import backtype.storm.generated.AccessControlType;
+import backtype.storm.generated.AlreadyAliveException;
+import backtype.storm.generated.AuthorizationException;
+import backtype.storm.generated.InvalidTopologyException;
+import backtype.storm.generated.KeyAlreadyExistsException;
+import backtype.storm.generated.KeyNotFoundException;
+import backtype.storm.generated.SettableBlobMeta;
+import backtype.storm.spout.SpoutOutputCollector;
+import backtype.storm.task.ShellBolt;
+import backtype.storm.task.TopologyContext;
+import backtype.storm.topology.BasicOutputCollector;
+import backtype.storm.topology.IRichBolt;
+import backtype.storm.topology.OutputFieldsDeclarer;
+import backtype.storm.topology.TopologyBuilder;
+import backtype.storm.topology.base.BaseBasicBolt;
+import backtype.storm.topology.base.BaseRichSpout;
+import backtype.storm.tuple.Fields;
+import backtype.storm.tuple.Tuple;
+import backtype.storm.tuple.Values;
+import backtype.storm.utils.Utils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+
+public class BlobStoreAPIWordCountTopology {
+ private static NimbusBlobStore store = new NimbusBlobStore(); //
Client API to invoke blob store API functionality
+ private static String key = "key1";
+ private static final Logger LOG =
LoggerFactory.getLogger(BlobStoreAPIWordCountTopology.class);
+ private static final int READ = 0x01;
+ private static final int WRITE = 0x02;
+ private static final int ADMIN = 0x04;
+ private static final List<AccessControl> WORLD_EVERYTHING =
+ Arrays.asList(new AccessControl(AccessControlType.OTHER, READ
| WRITE | ADMIN));
+
+ // Spout implementation
+ public static class RandomSentenceSpout extends BaseRichSpout {
+ SpoutOutputCollector _collector;
+ BlobStoreAPIWordCountTopology wc;
+ String key;
+ NimbusBlobStore store;
+
+
+ @Override
+ public void open(Map conf, TopologyContext context,
SpoutOutputCollector collector) {
+ _collector = collector;
+ wc = new BlobStoreAPIWordCountTopology();
+ key = "key1";
+ store = new NimbusBlobStore();
+ store.prepare(Utils.readStormConfig());
+ }
+
+ @Override
+ public void nextTuple() {
+ Utils.sleep(100);
+ try {
+ _collector.emit(new Values(wc.getBlobContent(key,
store)));
+ } catch (AuthorizationException | KeyNotFoundException |
IOException exp) {
+ throw new RuntimeException(exp);
+ }
+ }
+
+ @Override
+ public void ack(Object id) {
+ }
+
+ @Override
+ public void fail(Object id) {
+ }
+
+ @Override
+ public void declareOutputFields(OutputFieldsDeclarer declarer) {
+ declarer.declare(new Fields("word"));
--- End diff --
This should probably be "sentence" instead of "word".
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