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Posted to commits@flink.apache.org by mb...@apache.org on 2015/06/15 11:32:55 UTC

[05/27] flink git commit: [storm-compat] Added abstract base to Storm compatibility examples

[storm-compat] Added abstract base to Storm compatibility examples


Project: http://git-wip-us.apache.org/repos/asf/flink/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink/commit/56e013f0
Tree: http://git-wip-us.apache.org/repos/asf/flink/tree/56e013f0
Diff: http://git-wip-us.apache.org/repos/asf/flink/diff/56e013f0

Branch: refs/heads/master
Commit: 56e013f031025a794cb327fdda52b46629dd085c
Parents: 45dbfdd
Author: mjsax <mj...@informatik.hu-berlin.de>
Authored: Thu May 14 12:55:44 2015 +0200
Committer: mbalassi <mb...@apache.org>
Committed: Sun Jun 14 22:59:12 2015 +0200

----------------------------------------------------------------------
 .../flink-storm-examples/pom.xml                | 283 +++++++++++++++++++
 .../src/assembly/word-count-storm.xml           |  68 +++++
 .../stormoperators/AbstractStormBoltSink.java   |  80 ++++++
 .../stormoperators/AbstractStormSpout.java      |  75 +++++
 .../stormoperators/StormBoltCounter.java        |  96 +++++++
 .../stormoperators/StormBoltFileSink.java       |  77 +++++
 .../stormoperators/StormBoltPrintSink.java      |  43 +++
 .../stormoperators/StormBoltTokenizer.java      |  80 ++++++
 .../stormoperators/StormFileSpout.java          |  84 ++++++
 .../stormoperators/StormInMemorySpout.java      |  44 +++
 .../util/StreamingProgramTestBase.java          |   9 +-
 .../streaming/util/TestStreamEnvironment.java   |  77 ++++-
 12 files changed, 1009 insertions(+), 7 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/pom.xml
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/pom.xml b/flink-staging/flink-streaming/flink-storm-examples/pom.xml
new file mode 100644
index 0000000..94dbda5
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/pom.xml
@@ -0,0 +1,283 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.apache.flink</groupId>
+		<artifactId>flink-streaming-parent</artifactId>
+		<version>0.9-SNAPSHOT</version>
+		<relativePath>..</relativePath>
+	</parent>
+
+	<artifactId>flink-storm-examples</artifactId>
+	<name>flink-storm-examples</name>
+
+	<packaging>jar</packaging>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-storm-compatibility</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-java-examples</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-streaming-core</artifactId>
+			<version>${project.version}</version>
+			<scope>test</scope>
+			<classifier>tests</classifier>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-test-utils</artifactId>
+			<version>${project.version}</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<!-- get default data from flink-java-examples package -->
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-dependency-plugin</artifactId>
+				<version>2.9</version><!--$NO-MVN-MAN-VER$-->
+				<executions>
+					<execution>
+						<id>unpack</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>unpack</goal>
+						</goals>
+						<configuration>
+							<artifactItems>
+								<artifactItem>
+									<groupId>org.apache.flink</groupId>
+									<artifactId>flink-java-examples</artifactId>
+									<version>${project.version}</version>
+									<type>jar</type>
+									<overWrite>false</overWrite>
+									<outputDirectory>${project.build.directory}/classes</outputDirectory>
+									<includes>org/apache/flink/examples/java/wordcount/util/WordCountData.class</includes>
+								</artifactItem>
+								<artifactItem>
+									<groupId>org.apache.flink</groupId>
+									<artifactId>flink-storm-compatibility</artifactId>
+									<version>${project.version}</version>
+									<type>jar</type>
+									<overWrite>false</overWrite>
+									<outputDirectory>${project.build.directory}/classes</outputDirectory>
+								</artifactItem>
+								<artifactItem>
+									<groupId>org.apache.storm</groupId>
+									<artifactId>storm-core</artifactId>
+									<version>0.9.4</version>
+									<type>jar</type>
+									<overWrite>false</overWrite>
+									<outputDirectory>${project.build.directory}/classes</outputDirectory>
+									<excludes>defaults.yaml</excludes>
+								</artifactItem>
+								<artifactItem>
+									<groupId>com.googlecode.json-simple</groupId>
+									<artifactId>json-simple</artifactId>
+									<version>1.1</version>
+									<type>jar</type>
+									<overWrite>false</overWrite>
+									<outputDirectory>${project.build.directory}/classes</outputDirectory>
+								</artifactItem>snakeyaml
+								<artifactItem>
+									<groupId>org.yaml</groupId>
+									<artifactId>snakeyaml</artifactId>
+									<version>1.11</version>
+									<type>jar</type>
+									<overWrite>false</overWrite>
+									<outputDirectory>${project.build.directory}/classes</outputDirectory>
+								</artifactItem>
+							</artifactItems>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+
+			<!-- self-contained jars for each example -->
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				
+				<executions>
+
+					<!-- WordCount Spout source-->
+					<execution>
+						<id>WordCount-SpoutSource</id>
+						<phase>package</phase>
+						<goals>
+							<goal>jar</goal>
+						</goals>
+						<configuration>
+							<classifier>WordCountSpoutSource</classifier>
+
+							<archive>
+								<manifestEntries>
+									<program-class>org.apache.flink.stormcompatibility.wordcount.SpoutSourceWordCount</program-class>
+								</manifestEntries>
+							</archive>
+
+							<includes>
+								<!-- from storm-core -->
+								<include>backtype/storm/topology/*.class</include>
+								<include>backtype/storm/spout/*.class</include>
+								<include>backtype/storm/task/*.class</include>
+								<include>backtype/storm/tuple/*.class</include>
+								<include>backtype/storm/generated/*.class</include>
+								<include>backtype/storm/metric/**/*.class</include>
+								<include>org/apache/thrift7/**/*.class</include>
+								<!-- Storm's recursive dependencies -->
+								<include>org/json/simple/**/*.class</include>
+								<!-- compatibility layer -->
+								<include>org/apache/flink/stormcompatibility/api/*.class</include>
+								<include>org/apache/flink/stormcompatibility/wrappers/*.class</include>
+								<!-- Word Count -->
+								<include>org/apache/flink/stormcompatibility/wordcount/SpoutSourceWordCount.class</include>
+								<include>org/apache/flink/stormcompatibility/wordcount/SpoutSourceWordCount$*.class</include>
+								<include>org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormSpout.class</include>
+								<include>org/apache/flink/stormcompatibility/wordcount/stormoperators/StormFileSpout.class</include>
+								<include>org/apache/flink/stormcompatibility/wordcount/stormoperators/StormInMemorySpout.class</include>
+								<include>org/apache/flink/examples/java/wordcount/util/WordCountData.class</include>
+							</includes>
+						</configuration>
+					</execution>
+
+					<!-- WordCount Bolt tokenizer-->
+					<execution>
+						<id>WordCount-BoltTokenizer</id>
+						<phase>package</phase>
+						<goals>
+							<goal>jar</goal>
+						</goals>
+						<configuration>
+							<classifier>WordCountBoltTokenizer</classifier>
+
+							<archive>
+								<manifestEntries>
+									<program-class>org.apache.flink.stormcompatibility.wordcount.BoltTokenizerWordCount</program-class>
+								</manifestEntries>
+							</archive>
+
+							<includes>
+								<!-- from storm-core -->
+								<include>backtype/storm/topology/*.class</include>
+								<include>backtype/storm/spout/*.class</include>
+								<include>backtype/storm/task/*.class</include>
+								<include>backtype/storm/tuple/*.class</include>
+								<include>backtype/storm/generated/*.class</include>
+								<include>backtype/storm/metric/**/*.class</include>
+								<include>org/apache/thrift7/**/*.class</include>
+								<!-- Storm's recursive dependencies -->
+								<include>org/json/simple/**/*.class</include>
+								<!-- compatibility layer -->
+								<include>org/apache/flink/stormcompatibility/api/*.class</include>
+								<include>org/apache/flink/stormcompatibility/wrappers/*.class</include>
+								<!-- Word Count -->
+								<include>org/apache/flink/stormcompatibility/wordcount/BoltTokenizerWordCount.class</include>
+								<include>org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltTokenizer.class</include>
+								<include>org/apache/flink/examples/java/wordcount/util/WordCountData.class</include>
+							</includes>
+						</configuration>
+					</execution>
+
+					<execution>
+						<goals>
+							<goal>test-jar</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+
+			<!-- WordCount Storm topology-->
+			<!-- Cannot use maven-jar-plugin because 'defaults.yaml' must be included in jar -->
+			<plugin>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<configuration>
+					<descriptors>
+						<descriptor>src/assembly/word-count-storm.xml</descriptor>
+					</descriptors>
+					<archive>
+						<manifestEntries>
+							<program-class>org.apache.flink.stormcompatibility.wordcount.StormWordCountRemoteBySubmitter</program-class>
+						</manifestEntries>
+					</archive>
+				</configuration>
+
+				<executions>
+					<execution>
+						<id>WordCountStorm</id>
+						<phase>package</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+
+		<pluginManagement>
+			<plugins>
+				<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>org.apache.maven.plugins</groupId>
+										<artifactId>maven-dependency-plugin</artifactId>
+										<versionRange>[2.9,)</versionRange>
+										<goals>
+											<goal>unpack</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore/>
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+
+	</build>
+
+</project>

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/assembly/word-count-storm.xml
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/assembly/word-count-storm.xml b/flink-staging/flink-streaming/flink-storm-examples/src/assembly/word-count-storm.xml
new file mode 100644
index 0000000..002d9bc
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/assembly/word-count-storm.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+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.
+-->
+<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">
+
+	<id>WordCountStorm</id>
+	<formats>
+		<format>jar</format>
+	</formats>
+
+	<includeBaseDirectory>false</includeBaseDirectory>
+
+	<dependencySets>
+		<dependencySet>
+			<outputDirectory>/</outputDirectory>
+			<unpack>true</unpack>
+			<includes>
+				<!-- need to be added explicitly to get 'defaults.yaml' -->
+				<include>org.apache.storm:storm-core:jar</include>
+				<include>org.apache.flink:flink-storm-examples:jar</include>
+			</includes>
+			<unpackOptions>
+				<includes>
+					<!-- from storm-core -->
+					<include>defaults.yaml</include>
+					<include>backtype/storm/*.class</include>
+					<include>backtype/storm/topology/*.class</include>
+					<include>backtype/storm/spout/*.class</include>
+					<include>backtype/storm/task/*.class</include>
+					<include>backtype/storm/tuple/*.class</include>
+					<include>backtype/storm/generated/*.class</include>
+					<include>backtype/storm/metric/**/*.class</include>
+					<include>backtype/storm/utils/*.class</include>
+					<include>backtype/storm/serialization/*.class</include>
+					<include>org/apache/storm/curator/**/*.class</include>
+					<include>org/apache/thrift7/**/*.class</include>
+					<!-- Storm's recursive dependencies -->
+					<include>org/json/simple/**/*.class</include>
+					<include>org/yaml/snakeyaml/**/*.class</include>
+					<!-- compatibility layer -->
+					<include>org/apache/flink/stormcompatibility/api/*.class</include>
+					<include>org/apache/flink/stormcompatibility/wrappers/*.class</include>
+					<!-- Word Count -->
+					<include>org/apache/flink/stormcompatibility/wordcount/StormWordCountRemoteBySubmitter.class</include>
+					<include>org/apache/flink/stormcompatibility/wordcount/WordCountTopology.class</include>
+					<include>org/apache/flink/stormcompatibility/wordcount/stormoperators/*.class</include>
+					<include>org/apache/flink/examples/java/wordcount/util/WordCountData.class</include>
+				</includes>
+			</unpackOptions>
+		</dependencySet>
+	</dependencySets>
+</assembly>

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormBoltSink.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormBoltSink.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormBoltSink.java
new file mode 100644
index 0000000..ee21f7e
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormBoltSink.java
@@ -0,0 +1,80 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.util.Map;
+
+import backtype.storm.task.OutputCollector;
+import backtype.storm.task.TopologyContext;
+import backtype.storm.topology.IRichBolt;
+import backtype.storm.topology.OutputFieldsDeclarer;
+import backtype.storm.tuple.Tuple;
+
+
+
+
+
+/**
+ * Implements a sink that write the received data so some external output. The result is formatted like
+ * {@code (a1,a2,...,an)} with {@code Object.toString()} for each attribute).
+ */
+public abstract class AbstractStormBoltSink implements IRichBolt {
+	private static final long serialVersionUID = -1626323806848080430L;
+	
+	private StringBuilder lineBuilder;
+	private String prefix = "";
+	
+	
+	
+	@Override
+	public final void prepare(@SuppressWarnings("rawtypes") final Map stormConf, final TopologyContext context, final OutputCollector collector) {
+		this.prepareSimple(stormConf, context);
+		if(context.getComponentCommon(context.getThisComponentId()).get_parallelism_hint() > 1) {
+			this.prefix = context.getThisTaskId() + "> ";
+		}
+	}
+	
+	protected abstract void prepareSimple(final Map<?, ?> stormConf, final TopologyContext context);
+	
+	@Override
+	public final void execute(final Tuple input) {
+		this.lineBuilder = new StringBuilder();
+		this.lineBuilder.append(this.prefix);
+		this.lineBuilder.append("(");
+		for(final Object attribute : input.getValues()) {
+			this.lineBuilder.append(attribute);
+			this.lineBuilder.append(",");
+		}
+		this.lineBuilder.replace(this.lineBuilder.length() - 1, this.lineBuilder.length(), ")");
+		
+		this.writeExternal(this.lineBuilder.toString());
+	}
+	
+	protected abstract void writeExternal(final String line);
+	
+	@Override
+	public void cleanup() {/* nothing to do */}
+	
+	@Override
+	public final void declareOutputFields(final OutputFieldsDeclarer declarer) {/* nothing to do */}
+	
+	@Override
+	public Map<String, Object> getComponentConfiguration() {
+		return null;
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormSpout.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormSpout.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormSpout.java
new file mode 100644
index 0000000..3639b3c
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/AbstractStormSpout.java
@@ -0,0 +1,75 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.util.Map;
+
+import backtype.storm.spout.SpoutOutputCollector;
+import backtype.storm.task.TopologyContext;
+import backtype.storm.topology.IRichSpout;
+import backtype.storm.topology.OutputFieldsDeclarer;
+import backtype.storm.tuple.Fields;
+
+
+
+
+
+/**
+ * Base class for Storm Spout that reads data line by line from an arbitrary source. The declared output schema has a
+ * single attribute calle {@code line} and should be of type {@link String}.
+ */
+public abstract class AbstractStormSpout implements IRichSpout {
+	private static final long serialVersionUID = 8876828403487806771L;
+	
+	public final static String ATTRIBUTE_LINE = "line";
+	public final static int ATTRIBUTE_LINE_INDEX = 0;
+	
+	protected SpoutOutputCollector collector;
+	
+	
+	
+	@Override
+	public void open(@SuppressWarnings("rawtypes") final Map conf, final TopologyContext context, @SuppressWarnings("hiding") final SpoutOutputCollector collector) {
+		this.collector = collector;
+	}
+	
+	@Override
+	public void close() {/* noting to do */}
+	
+	@Override
+	public void activate() {/* noting to do */}
+	
+	@Override
+	public void deactivate() {/* noting to do */}
+	
+	@Override
+	public void ack(final Object msgId) {/* noting to do */}
+	
+	@Override
+	public void fail(final Object msgId) {/* noting to do */}
+	
+	@Override
+	public void declareOutputFields(final OutputFieldsDeclarer declarer) {
+		declarer.declare(new Fields(ATTRIBUTE_LINE));
+	}
+	
+	@Override
+	public Map<String, Object> getComponentConfiguration() {
+		return null;
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltCounter.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltCounter.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltCounter.java
new file mode 100644
index 0000000..8b9777b
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltCounter.java
@@ -0,0 +1,96 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import backtype.storm.task.OutputCollector;
+import backtype.storm.task.TopologyContext;
+import backtype.storm.topology.IRichBolt;
+import backtype.storm.topology.OutputFieldsDeclarer;
+import backtype.storm.tuple.Fields;
+import backtype.storm.tuple.Tuple;
+import backtype.storm.tuple.Values;
+
+
+
+
+
+/**
+ * Implements the word counter that the occurrence of each unique word. The bolt takes a pair (input tuple schema:
+ * {@code <String,Integer>}) and sums the given word count for each unique word (output tuple schema:
+ * {@code <String,Integer>} ).
+ */
+public class StormBoltCounter implements IRichBolt {
+	private static final long serialVersionUID = 399619605462625934L;
+	
+	public static final String ATTRIBUTE_WORD = "word";
+	public static final String ATTRIBUTE_COUNT = "count";
+	
+	public static final int ATTRIBUTE_WORD_INDEX = 0;
+	public static final int ATTRIBUTE_COUNT_INDEX = 1;
+	
+	private final HashMap<String, Count> counts = new HashMap<String, Count>();
+	private OutputCollector collector;
+	
+	
+	
+	@Override
+	public void prepare(@SuppressWarnings("rawtypes") final Map stormConf, final TopologyContext context, @SuppressWarnings("hiding") final OutputCollector collector) {
+		this.collector = collector;
+	}
+	
+	@Override
+	public void execute(final Tuple input) {
+		final String word = input.getString(StormBoltTokenizer.ATTRIBUTE_WORD_INDEX);
+		
+		Count currentCount = this.counts.get(word);
+		if(currentCount == null) {
+			currentCount = new Count();
+			this.counts.put(word, currentCount);
+		}
+		currentCount.count += input.getInteger(StormBoltTokenizer.ATTRIBUTE_COUNT_INDEX).intValue();
+		
+		this.collector.emit(new Values(word, new Integer(currentCount.count)));
+	}
+	
+	@Override
+	public void cleanup() {/* nothing to do */}
+	
+	@Override
+	public void declareOutputFields(final OutputFieldsDeclarer declarer) {
+		declarer.declare(new Fields(ATTRIBUTE_WORD, ATTRIBUTE_COUNT));
+	}
+	
+	@Override
+	public Map<String, Object> getComponentConfiguration() {
+		return null;
+	}
+	
+	/**
+	 * A counter helper to emit immutable tuples to the given collector and avoid unnecessary object creating/deletion.
+	 * 
+	 * @author mjsax
+	 */
+	private static final class Count {
+		public int count;
+		
+		public Count() {/* nothing to do */}
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltFileSink.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltFileSink.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltFileSink.java
new file mode 100644
index 0000000..2be8c5d
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltFileSink.java
@@ -0,0 +1,77 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Map;
+
+import backtype.storm.task.TopologyContext;
+
+
+
+
+
+/**
+ * Implements a sink that write the received data to the given file (as a result of {@code Object.toString()} for each
+ * attribute).
+ */
+public final class StormBoltFileSink extends AbstractStormBoltSink {
+	private static final long serialVersionUID = 2014027288631273666L;
+	
+	private final String path;
+	private BufferedWriter writer;
+	
+	
+	
+	public StormBoltFileSink(final String path) {
+		this.path = path;
+	}
+	
+	
+	
+	@Override
+	public void prepareSimple(@SuppressWarnings("rawtypes") final Map stormConf, final TopologyContext context) {
+		try {
+			this.writer = new BufferedWriter(new FileWriter(this.path));
+		} catch(final IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	@Override
+	public void writeExternal(final String line) {
+		try {
+			this.writer.write(line + "\n");
+		} catch(final IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	@Override
+	public void cleanup() {
+		if(this.writer != null) {
+			try {
+				this.writer.close();
+			} catch(final IOException e) {
+				throw new RuntimeException(e);
+			}
+		}
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltPrintSink.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltPrintSink.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltPrintSink.java
new file mode 100644
index 0000000..2d61c99
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltPrintSink.java
@@ -0,0 +1,43 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.util.Map;
+
+import backtype.storm.task.TopologyContext;
+
+
+
+
+
+/**
+ * Implements a sink that prints the received data to {@code stdout}.
+ */
+public final class StormBoltPrintSink extends AbstractStormBoltSink {
+	private static final long serialVersionUID = -6650011223001009519L;
+	
+	@Override
+	public void prepareSimple(@SuppressWarnings("rawtypes") final Map stormConf, final TopologyContext context) {
+		/* nothing to do */
+	}
+	
+	@Override
+	public void writeExternal(final String line) {
+		System.out.println(line);
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltTokenizer.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltTokenizer.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltTokenizer.java
new file mode 100644
index 0000000..6e30665
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormBoltTokenizer.java
@@ -0,0 +1,80 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.util.Map;
+
+import backtype.storm.task.OutputCollector;
+import backtype.storm.task.TopologyContext;
+import backtype.storm.topology.IRichBolt;
+import backtype.storm.topology.OutputFieldsDeclarer;
+import backtype.storm.tuple.Fields;
+import backtype.storm.tuple.Tuple;
+import backtype.storm.tuple.Values;
+
+
+
+
+
+/**
+ * Implements the string tokenizer that splits sentences into words as a Storm bolt. The bolt takes a line (input tuple
+ * schema: {@code <String>}) and splits it into multiple pairs in the form of "(word,1)" (output tuple schema:
+ * {@code <String,Integer>}).
+ */
+public final class StormBoltTokenizer implements IRichBolt {
+	private static final long serialVersionUID = -8589620297208175149L;
+	
+	public static final String ATTRIBUTE_WORD = "word";
+	public static final String ATTRIBUTE_COUNT = "count";
+	
+	public static final int ATTRIBUTE_WORD_INDEX = 0;
+	public static final int ATTRIBUTE_COUNT_INDEX = 1;
+	
+	private OutputCollector collector;
+	
+	
+	
+	@Override
+	public void prepare(@SuppressWarnings("rawtypes") final Map stormConf, final TopologyContext context, @SuppressWarnings("hiding") final OutputCollector collector) {
+		this.collector = collector;
+	}
+	
+	@Override
+	public void execute(final Tuple input) {
+		final String[] tokens = input.getString(0).toLowerCase().split("\\W+");
+		
+		for(final String token : tokens) {
+			if(token.length() > 0) {
+				this.collector.emit(new Values(token, new Integer(1)));
+			}
+		}
+	}
+	
+	@Override
+	public void cleanup() {/* nothing to do */}
+	
+	@Override
+	public void declareOutputFields(final OutputFieldsDeclarer declarer) {
+		declarer.declare(new Fields(ATTRIBUTE_WORD, ATTRIBUTE_COUNT));
+	}
+	
+	@Override
+	public Map<String, Object> getComponentConfiguration() {
+		return null;
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormFileSpout.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormFileSpout.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormFileSpout.java
new file mode 100644
index 0000000..2ac8314
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormFileSpout.java
@@ -0,0 +1,84 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Map;
+
+import backtype.storm.spout.SpoutOutputCollector;
+import backtype.storm.task.TopologyContext;
+import backtype.storm.tuple.Values;
+
+
+
+
+
+/**
+ * Implements a Storm Spout that reads data from a given local file.
+ */
+public final class StormFileSpout extends AbstractStormSpout {
+	private static final long serialVersionUID = -6996907090003590436L;
+	
+	private final String path;
+	private BufferedReader reader;
+	
+	
+	
+	public StormFileSpout(final String path) {
+		this.path = path;
+	}
+	
+	
+	
+	@Override
+	public void open(@SuppressWarnings("rawtypes") final Map conf, final TopologyContext context, @SuppressWarnings("hiding") final SpoutOutputCollector collector) {
+		super.open(conf, context, collector);
+		try {
+			this.reader = new BufferedReader(new FileReader(this.path));
+		} catch(final FileNotFoundException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	@Override
+	public void close() {
+		if(this.reader != null) {
+			try {
+				this.reader.close();
+			} catch(final IOException e) {
+				throw new RuntimeException(e);
+			}
+		}
+	}
+	
+	@Override
+	public void nextTuple() {
+		String line;
+		try {
+			line = this.reader.readLine();
+			if(line != null) {
+				this.collector.emit(new Values(line));
+			}
+		} catch(final IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormInMemorySpout.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormInMemorySpout.java b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormInMemorySpout.java
new file mode 100644
index 0000000..fbf7ae3
--- /dev/null
+++ b/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/wordcount/stormoperators/StormInMemorySpout.java
@@ -0,0 +1,44 @@
+/*
+ * 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.stormcompatibility.wordcount.stormoperators;
+
+import org.apache.flink.examples.java.wordcount.util.WordCountData;
+
+import backtype.storm.tuple.Values;
+
+
+
+
+
+/**
+ * Implements a Storm Spout that reads data from {@link WordCountData#WORDS}.
+ */
+public final class StormInMemorySpout extends AbstractStormSpout {
+	private static final long serialVersionUID = -4008858647468647019L;
+	
+	private int counter = 0;
+	
+	
+	
+	@Override
+	public void nextTuple() {
+		if(this.counter < WordCountData.WORDS.length) {
+			this.collector.emit(new Values(WordCountData.WORDS[this.counter++]));
+		}
+	}
+	
+}

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/StreamingProgramTestBase.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/StreamingProgramTestBase.java b/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/StreamingProgramTestBase.java
index 23be327..92f8301 100644
--- a/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/StreamingProgramTestBase.java
+++ b/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/StreamingProgramTestBase.java
@@ -29,6 +29,8 @@ public abstract class StreamingProgramTestBase extends AbstractTestBase {
 
 	private static final int DEFAULT_PARALLELISM = 4;
 
+	private TestStreamEnvironment env;
+
 	private JobExecutionResult latestExecutionResult;
 
 	private int parallelism = DEFAULT_PARALLELISM;
@@ -86,7 +88,7 @@ public abstract class StreamingProgramTestBase extends AbstractTestBase {
 			}
 
 			// prepare the test environment
-			TestStreamEnvironment env = new TestStreamEnvironment(this.executor, this.parallelism);
+			env = new TestStreamEnvironment(this.executor, this.parallelism);
 			env.setAsContext();
 
 			// call the test program
@@ -112,7 +114,10 @@ public abstract class StreamingProgramTestBase extends AbstractTestBase {
 				Assert.fail("Post-submit work caused an error: " + e.getMessage());
 			}
 		} finally {
-			stopCluster();
+			if(env.clusterRunsSynchronous()) {
+				stopCluster();
+			}
 		}
 	}
+
 }

http://git-wip-us.apache.org/repos/asf/flink/blob/56e013f0/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/TestStreamEnvironment.java
----------------------------------------------------------------------
diff --git a/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/TestStreamEnvironment.java b/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/TestStreamEnvironment.java
index 5cf529a..1a6ef0f 100644
--- a/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/TestStreamEnvironment.java
+++ b/flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/util/TestStreamEnvironment.java
@@ -56,8 +56,10 @@ public class TestStreamEnvironment extends StreamExecutionEnvironment {
 
 	@Override
 	public JobExecutionResult execute(String jobName) throws Exception {
-		JobGraph jobGraph = streamGraph.getJobGraph(jobName);
-
+		return execute(streamGraph.getJobGraph(jobName));
+	}
+	
+	public JobExecutionResult execute(JobGraph jobGraph) throws Exception {
 		if (internalExecutor) {
 			Configuration configuration = jobGraph.getJobConfiguration();
 
@@ -68,12 +70,11 @@ public class TestStreamEnvironment extends StreamExecutionEnvironment {
 			executor = new ForkableFlinkMiniCluster(configuration);
 		}
 		try {
-			
+			sync = true;
 			SerializedJobExecutionResult result = executor.submitJobAndWait(jobGraph, false);
 			latestResult = result.toJobExecutionResult(getClass().getClassLoader());
 			return latestResult;
-		}
-		catch (JobExecutionException e) {
+		} catch (JobExecutionException e) {
 			if (e.getMessage().contains("GraphConversionException")) {
 				throw new Exception(CANNOT_EXECUTE_EMPTY_JOB, e);
 			} else {
@@ -86,6 +87,72 @@ public class TestStreamEnvironment extends StreamExecutionEnvironment {
 		}
 	}
 
+	private ForkableFlinkMiniCluster cluster = null;
+	private Thread jobRunner = null;
+	private boolean sync = true;
+
+	public void start(final JobGraph jobGraph) throws Exception {
+		if(cluster != null) {
+			throw new IllegalStateException("The cluster is already running");
+		}
+
+		if (internalExecutor) {
+			Configuration configuration = jobGraph.getJobConfiguration();
+
+			configuration.setInteger(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS,
+					getParallelism());
+			configuration.setLong(ConfigConstants.TASK_MANAGER_MEMORY_SIZE_KEY, memorySize);
+
+			cluster = new ForkableFlinkMiniCluster(configuration);
+		} else {
+			cluster = executor;
+		}
+		try {
+			sync = false;
+
+			jobRunner = new Thread() {
+				public void run() {
+					try {
+						SerializedJobExecutionResult result = cluster.submitJobAndWait(jobGraph, false);
+						latestResult = result.toJobExecutionResult(getClass().getClassLoader());
+					} catch (JobExecutionException e) {
+						// TODO remove: hack to make ITCase succeed because .submitJobAndWait() throws exception on .stop() (see this.shutdown())
+						latestResult = new JobExecutionResult(null, 0, null);
+						e.printStackTrace();
+						//throw new RuntimeException(e);
+					} catch (Exception e) {
+						new RuntimeException(e);
+					}
+				}
+			};
+			jobRunner.start();
+		} catch(RuntimeException e) {
+			if (e.getCause().getMessage().contains("GraphConversionException")) {
+				throw new Exception(CANNOT_EXECUTE_EMPTY_JOB, e);
+			} else {
+				throw e;
+			}
+		}
+	}
+
+	public JobExecutionResult shutdown() throws InterruptedException {
+		if(!sync) {
+			cluster.stop();
+			cluster = null;
+
+			jobRunner.join();
+			jobRunner = null;
+
+			return latestResult;
+		}
+
+		throw new IllegalStateException("Cluster was not started via .start(...)");
+	}
+
+	public boolean clusterRunsSynchronous() {
+		return sync;
+	}
+
 	protected void setAsContext() {
 		StreamExecutionEnvironmentFactory factory = new StreamExecutionEnvironmentFactory() {
 			@Override