upgrade to Apache Beam 2.0.0

beam/README.md

@@ -8,12 +8,9 @@ Current interpreter implementation supports the static repl. It compiles the cod
 You have to first build the Beam interpreter by enable the **beam** profile as follows:
 
 ```
-mvn clean package -Pbeam -DskipTests
+mvn clean package -Pbeam -DskipTests -Pscala-2.10
 ```
 
-### Notice
-- Flink runner comes with binary compiled for scala 2.10. So, currently we support only Scala 2.10
-
 ### Technical overview
 
  * Upon starting an interpreter, an instance of `JavaCompiler` is created. 

beam/pom.xml

@@ -35,7 +35,7 @@
   <properties>
     <beam.hadoop.version>2.3.0</beam.hadoop.version>
     <beam.spark.version>1.6.2</beam.spark.version>
-    <beam.beam.version>0.2.0-incubating</beam.beam.version>
+    <beam.beam.version>2.0.0</beam.beam.version>
 
     <!-- library versions -->
     <netty.version>4.1.1.Final</netty.version>
@@ -211,6 +211,14 @@
       <version>${beam.beam.version}</version>
       <type>jar</type>
     </dependency>
+
+    <dependency>
+      <groupId>org.apache.beam</groupId>
+      <artifactId>beam-runners-flink_${scala.binary.version}</artifactId>
+      <version>${beam.beam.version}</version>
+      <exclusions>
+      </exclusions>
+    </dependency>
   
     <dependency>
       <groupId>${project.groupId}</groupId>

docs/interpreter/beam.md

@@ -44,18 +44,10 @@ import java.io.Serializable;
 import java.util.Arrays;
 import java.util.List;
 import java.util.ArrayList;
-import org.apache.spark.api.java.*;
-import org.apache.spark.api.java.function.Function;
-import org.apache.spark.SparkConf;
-import org.apache.spark.streaming.*;
-import org.apache.spark.SparkContext;
 import org.apache.beam.runners.direct.*;
 import org.apache.beam.sdk.runners.*;
 import org.apache.beam.sdk.options.*;
-import org.apache.beam.runners.spark.*;
-import org.apache.beam.runners.spark.io.ConsoleIO;
 import org.apache.beam.runners.flink.*;
-import org.apache.beam.runners.flink.examples.WordCount.Options;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.io.TextIO;
 import org.apache.beam.sdk.options.PipelineOptionsFactory;
@@ -89,12 +81,12 @@ public class MinimalWordCount {
 	};  
   static final List<String> SENTENCES = Arrays.asList(SENTENCES_ARRAY);
   public static void main(String[] args) {
-    Options options = PipelineOptionsFactory.create().as(Options.class);
+    PipelineOptions options = PipelineOptionsFactory.create().as(PipelineOptions.class);
     options.setRunner(FlinkRunner.class);
     Pipeline p = Pipeline.create(options);
     p.apply(Create.of(SENTENCES).withCoder(StringUtf8Coder.of()))
          .apply("ExtractWords", ParDo.of(new DoFn<String, String>() {
-           @Override
+           @ProcessElement
            public void processElement(ProcessContext c) {
              for (String word : c.element().split("[^a-zA-Z']+")) {
                if (!word.isEmpty()) {
@@ -105,7 +97,7 @@ public class MinimalWordCount {
          }))
         .apply(Count.<String> perElement())
         .apply("FormatResults", ParDo.of(new DoFn<KV<String, Long>, String>() {
-          @Override
+          @ProcessElement
           public void processElement(DoFn<KV<String, Long>, String>.ProcessContext arg0)
             throws Exception {
             s.add("\n" + arg0.element().getKey() + "\t" + arg0.element().getValue());