Docker Container Build and Run setup with foundations for adding docker integration tests. Docker images built with Hadoop 2.8.4 Hive 2.3.3 and Spark 2.3.1 and published to docker-hub

Look at quickstart document for how to setup docker and run demo

hoodie-hive/src/main/java/com/uber/hoodie/hive/MultiPartKeysValueExtractor.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2017 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
+ *
+ * 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.
+ */
+
+package com.uber.hoodie.hive;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Partition Key extractor treating each value delimited by slash as separate key.
+ */
+public class MultiPartKeysValueExtractor implements PartitionValueExtractor {
+
+  @Override
+  public List<String> extractPartitionValuesInPath(String partitionPath) {
+    String[] splits = partitionPath.split("/");
+    return Arrays.asList(splits);
+  }
+}