CDAP-9473 adding a spark2 api module

Created a base api module that has common code for both spark1
and spark2. Currently, both spark1 and spark2 will have the same
api, but we may soon add spark2 specific apis to the spark2 module.

cdap-api-spark-base/pom.xml

@@ -0,0 +1,167 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright © 2017 Cask Data, Inc.
+  ~
+  ~ Licensed 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/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>co.cask.cdap</groupId>
+    <artifactId>cdap</artifactId>
+    <version>4.2.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>cdap-api-spark-base</artifactId>
+  <name>CDAP Base Spark API</name>
+  <packaging>jar</packaging>
+
+  <dependencies>
+    <dependency>
+      <groupId>co.cask.cdap</groupId>
+      <artifactId>cdap-api</artifactId>
+      <version>${project.version}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.spark</groupId>
+      <artifactId>spark-core_2.10</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-common</artifactId>
+      <scope>provided</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-cli</groupId>
+          <artifactId>commons-cli</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>xmlenc</groupId>
+          <artifactId>xmlenc</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-httpclient</groupId>
+          <artifactId>commons-httpclient</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-io</groupId>
+          <artifactId>commons-io</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-collections</groupId>
+          <artifactId>commons-collections</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-codec</groupId>
+          <artifactId>commons-codec</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-el</groupId>
+          <artifactId>commons-el</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-lang</groupId>
+          <artifactId>commons-lang</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-net</groupId>
+          <artifactId>commons-net</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>commons-configuration</groupId>
+          <artifactId>commons-configuration</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.commons</groupId>
+          <artifactId>commons-compress</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.commons</groupId>
+          <artifactId>commons-math3</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>net.java.dev.jets3t</groupId>
+          <artifactId>jets3t</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.codehaus.jackson</groupId>
+          <artifactId>jackson-core-asl</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.codehaus.jackson</groupId>
+          <artifactId>jackson-mapper-asl</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.google.protobuf</groupId>
+          <artifactId>protobuf-java</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-annotations</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-auth</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.jcraft</groupId>
+          <artifactId>jsch</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-mapreduce-client-core</artifactId>
+      <scope>provided</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-yarn-common</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.avro</groupId>
+          <artifactId>avro</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>io.netty</groupId>
+          <artifactId>netty</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.google.protobuf</groupId>
+          <artifactId>protobuf-java</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-annotations</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>net.alchim31.maven</groupId>
+        <artifactId>scala-maven-plugin</artifactId>
+        <version>3.2.2</version>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>